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Many people have thought about buying this product but there are many aspects which are not clear for them concerning Viagra. That is why the purpose of this article is to clearly the state the most important things about the price, usage or secondary effects that Viagra implies. 1. What's Viagra's purpose? Viagra was created especially for men who show some difficulties in having, as well as maintaining the erection(this is usually called impotence). 2. What is its price? According to what we have learned from the authorities, the FDA has no control whatsoever over the price of any drugs seen as products. for the time being FDA does not hold the information of the cost of Viagra but any pharmacy can be contacted to ask for information. 3.Must the cost of Viagra be covered by insurance? FDA has no control over this issue as well( whether the insurance company should or should not cover the cost of Viagra). If you are willing to take notice of this aspect you should call your insurance company to know if the cost of the product will be covered by it. 4. What does Viagra do? A growth in the blood flow into some internal fields of the penis is the cause of erections generally. What Viagra does is providing the effect produced by certain chemical substances releases into the penis simultaneously with the sexual arousal. This enables a growth of blood flow into the penis. 5. How can one take Viagra? The method to take Viagra is generally oral, aproximatly one hour before the sexual act occurs, as o once daily dose. For more pieces of information regarding side effects or all other aspects involved, one should contact his health care provider. 6.How should Viagra be supplied? Viagra should be sold as oral tablets in 25mg, 50mg and 100mg strengths according to one's needs. 7. Should you need prescription to buy Viagra? It is compulsory to present a prescription when buying Viagra. 8.Should you expect any side effects from Viagra? Generally all drugs produce side effects for some persons. The well-known effects of Viagra are:headaches, stomach aches, eas and temporary visual problems( changes in color perception, or light perception and even blurred vision). 9. Should Viagra be combined with some other treatments for impotence? The issue regarding safe and effective results for curing impotence, whenever Viagra is used in connection with other treatments has not been brought about yet. As a consequence, it is not advisable to take Viagra with any other treatment. 10. Should Viagra be taken with other drugs? In case you have this type of questions, you should always consult your Health care practitioner(no matter what kind of other medications you are taking). This way you ought to receive the best piece of advise from qualified persons. For the time being, Viagra should not be taken by persons who are also taking nitroglycerin because it may lead to lower blood pressure. All in all, the purpose of this article is to first to name and then explain all the necessary data regarding the usage of Viagra as no problems are wanted to appear. vimax penis enlargement photo penis enlargment surgery picture penis enargement program vig rx side effects real penis enhancement penis enlargement picture vig rx enhancement natural penis enargement

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If you’re about to have a baby, no doubt the subject of circumcision for a boy baby has entered your mind. Circumcision is a personal choice – but, of course, it’s one that you’re making for another person- so you tend to feel a fair amount of pressure to make a good decision. Here are some things to think about that might make your choice easier. In the US, the majority of boys are circumcised, though the numbers are declining somewhat. In other parts of the world, most non-Jewish boys are not circumcised. The difference seems to be almost entirely cultural. There is really no right or wrong answer here, but I think one good guideline is “like father, like son”. The father is most likely the person who will teach the boy how to handle his personal hygiene in this area, so taking Dad’s personal situation into account might be a good way to make the decision. My husband is circumcised, as is our oldest son, but our younger son is not. He was not circumcised when we adopted him at ten months, and we chose not to add the trauma of circumcision to his life, considering all the other adjustments he had at the time. My husband had to do some research on the subject to feel prepared to teach our son the proper care of an uncircumcised penis. Our son is six, and at this point, has never asked about the difference between his penis and his older brother’s and Dad’s. One thing to consider about circumcision – it is a decision you need to make early on. Part of the reason we chose not to have our younger son circumcised was the fact that, at ten months old, it would have been much more physically painful than if he had been circumcised as a newborn. I’m sure it’s no walk in the park at any age, but do realize that if you don’t have your son circumcised right away, it might not be wise to change your mind a few months down the road. A final note about circumcision- not all penises are the same. Some boys have much more foreskin than others. If your son has only a small amount of foreskin, your doctor may refer to this as a “natural circumcision”, and recommend that you not have a circumcision performed, unless it is for religious reasons. This means that your son’s foreskin is not likely to cause hygiene issues, nor will it be prone to infection, as are some uncircumcised penises. It’s wise to talk to your doctor before you make a decision about circumcision. It’s a decision that you need to feel good about, and worth the time it takes to sort out the facts. safe penile enlargment erection penis pills size vimax penis enlargement pill review enhancement manhattan penis surgeon cheap penis enlargement pills penile enlargement program penis enlargment pic before and after enlagement manhattan penis surgeon penile enlargement excersizes

Introduction The Multi-Fiber Arrangement (MFA) has governed international trade in textiles and clothing since 1974. The MFA enabled developed nations, mainly the USA, European Union and Canada to restrict imports from developing countries through a system of quotas. The Agreement on Textiles and Clothing (ATC) to abolish MFA quotas marked a significant turnaround in the global textile trade. The ATC mandated progressive phase out of import quotas established under MFA, and the integration of textiles and clothing into the multilateral trading system before January 2005. The Agreement on Textiles and Clothing ATC is a transitory regime between the MFA and the integration of trading in textiles and clothing in the multilateral trading system. The ATC provided for a stage-wise integration process to be completed within a period of ten years (1995-2004), divided into four stages starting with the implementation of the agreement in 1995. The product groups from which products were to be integrated at each stage of the integration included (i) tops and yarns; (ii) fabrics; (iii) made-up textile products; and (iv) clothing. The ATC mandated that importing countries must integrate a specified minimum portion of their textile and garment exports based on total volume of trade in 1990, at the start of each phase of integration. In the first stage, each country was required to integrate 16 percent of the total volume of imports of 1990, followed by a further 17 percent at the end of first three year and another 18 percent at the end of third stage. The fourth stage would see the final integration of the remaining 49 percent of trade. Global Trade in Textile and Clothing World trade in textiles and clothing amounted to US $ 385 billion in 2003, of which textiles accounted for 43 percent (US $ 169 bn) and the remaining 57 percent (US $ 226 bn) for clothing. Developed countries accounted for little over one-third of world exports in textiles and clothing. The shares of developed countries in textiles and clothing trade were estimated to be 47 percent (US $ 79 bn) and 29 percent, (US $ 61 bn) respectively. Import Trends in USA In 1990, restrained or MFA countries contributed as much as 87 percent (US $ 29.3 bn) of total US textile and clothing imports, whereas Caribbean Basin Initiative (CBI), North American Free Trade Area (NAFTA), Africa Growth and Opportunity Act (AGOA) and ANDEAN countries together contributed 13 percent (US $ 4.4 bn). Thereafter, there has been a decline in exports by restrained countries; the share of preferential regions more than doubled to reach 30 percent (US $ 26.9 bn) of total imports by USA. The composition of imports of clothing and textiles by USA in 2003 was 80 percent (US $ 71 bn) and 20 percent (US $ 18 bn), respectively. Asia was the principal sourcing region for imports of both textiles and clothing by USA. Latin American region stood at second position with a share of 12 percent (US $ 2.2 bn) and 26 percent (US $ 18.5 bn), respectively, for textiles and clothing imports, by USA. In most of the quota products imported by USA, India was one of the leading suppliers of readymade garments in USA. Though China is a biggest competitor, the unit prices of China for most of these product groups were high and thus provide opportunities for Indian business. Import Trends in EU EU overtook USA as the world's largest market for textiles and clothing. Intra-EU trade accounted for about 40 percent (US $ 40 bn) of total clothing imports and 62 percent (US $ 32.5 bn) of total textile imports by EU. Asia dominates EU market in both clothing and textiles, with 30 percent (US $ 30 bn) and 17 percent (US $ 8 bn) share, respectively. Central and East European countries hold a market share of 11 percent (US $ 11.3 bn) in clothing and 7.5 percent (US $ 4 bn) in textiles imports of EU. As regards preferential suppliers, the growth of trade between EU and Mediterranean countries, especially Egypt and Turkey, was highest in 2003. As regards individual countries, China accounted for little over 5 percent (US $ 2.8 bn) of EU's imports of textiles and over 12 percent (US $ 12.4 bn) of clothing imports. In the EU market also, India is a leading supplier for many of the textile products. It is estimated that Turkey would emerge as a biggest competitor for both India and China. However, with regard to unit prices, India appears to be lower than both Turkey and China in many of the categories. Import Trends in Canada Amongst the leading suppliers of textiles and clothing to Canada, USA had the highest share of over 31 percent (US $ 8.4 bn), followed by China (21% - US $ 1.8 bn) and EU (8% - US $ 0.6 bn). India was ranked at fourth position and was ahead of other exporters like Mexico, Bangladesh and Turkey, with a market share of 5.2 percent (US $ 0.45 bn). Potential Gains It may be noted that clothing sector would offer higher gains than the textile sector, in the post MFA regime. Countries like Mexico, CBI countries, many of the African countries emerged as exporters of readymade garments without having much of textile base, utilizing the preferential tariff arrangement under the quota regime. Besides, countries like Bangladesh, Sri Lanka, and Cambodia emerged as garment exporters due to cost factors, in addition to the quota benefits. It may be said that countries like China, USA, India, Pakistan, Uzbekistan and Turkey have resource based advantages in cotton; China, India, Vietnam and Brazil have resource based advantages in silk; Australia, China, New Zealand and India have resource based advantages in wool; China, India, Indonesia, Taiwan, Turkey, USA, Korea and few CIS countries have resource based advantages in manmade fibers. In addition, China, India, Pakistan, USA, Indonesia has capacity based advantages in the textile spinning and weaving. China is cost competitive with regard to manufacture of textured yarn, knitted yarn fabric and woven textured fabric. Brazil is cost competitive with regard to manufacture of woven ring yarn. India is cost competitive with regard to manufacture of ring-yarn, O-E yarn, woven O-E yarn fabric, knitted ring yarn fabric and knitted O-E yarn fabric. According to Werner Management Consultants, USA, the hourly wage costs in textile industry is very high for many of the developed countries. Even in developing economies like Argentina, Brazil, Mexico, Turkey and Mauritius, the hourly wage is higher as compared to India, China, Pakistan and Indonesia. From the above analysis, it may be concluded that China, India, Pakistan, Taiwan, Hong Kong, Brazil, Indonesia, Turkey and Egypt would emerge as winners in the post quota regime. The market losers in the short term (1-2 years) would include CBI countries, many of the sub-Saharan African countries, Asian countries like Bangladesh and Sri Lanka. The market losers in the long term (by 2014) would include high cost producers, like EU, USA, Canada, Mexico, Japan and many east Asian countries. The determinants of increase / decrease in market share in the medium term would however depend upon the cost, quality and timely Review of Indian Textiles and Clothing Industry The textiles and garments industry is one of the largest and most prominent sectors of Indian economy, in terms of output, foreign exchange earnings and employment generation. Indian textile industry is multi-fiber based, using delivery. In the long run, there are possibilities of contraction in intra-EU trade in textile and garments, reduction of market share of Turkey in EU and market share of Mexico and Canada in USA, and thus provide more opportunities for developing countries like India. It is estimated that in the short term, both China and India would gain additional market share proportionate to their current market share. In the medium term, however, India and China would have a cumulative market share of 50 percent, in both textiles and garment imports by USA. It is estimated that India would have a market share of 13.5 percent in textiles and 8 percent in garments in the USA market. With regard to EU, it is estimated that the benefits are mainly in the garments sector, with China taking a major share of 30 percent and India gaining a market share of 8 percent. The potential gain in the textile sector is limited in the EU market considering the proposed further enlargement of EU. It is estimated that India would have a market share of 8 percent in EU textiles market as against the China's market share of 12 percent. Review of Indian textiles and Clothing Industry The textiles and garments industry is one of the largest and most prominent sectors of Indian economy, in terms of output, foreign exchange earnings and employment generation. Indian textile industry is multi-fiber based, using cotton, jute, wool, silk and mane made and synthetic fibers. In the spinning segment, India has an installed capacity of around 40 million spindles (23% of world), 0.5 million rotors (6% of world). In the weaving segment, India is equipped with 1.80 million shuttle looms (45% of world), 0.02 million shuttle less looms (3% of world) and 3.90 million handlooms (85% of world). The organised mill (spinning) sector recorded a significant growth during the last decade, with the number of spinning mills increasing from 873 to 1564 by end March 2004. The organised sector accounts for production of almost all of spun yarn, but only around 4 percent of total fabric production. In other words, there are little over 200 composite mills in India leaving the production of fabric and processing to the decentralised small weaving and processing firms. The Indian apparel sector is estimated to have over 25000 domestic manufacturers, 48000 fabricators and around 4000 manufacturer-exporters. Cotton apparel accounts for the majority of Indian apparel exports. Textiles and Garments Exports from India The share of textiles and garments exports in India's total exports in the year 2003-04 stood at about 20 percent, amounting to US $ 12.5 billion. The quota countries, USA, EU and Canada accounted for nearly 70 percent of India's garments exports and 44 percent of India's textile exports. Amongst non-quota countries, UAE is the largest market for Indian textiles and garments; UAE accounted for 7 percent of India's total textile exports and 10 percent of India's garments exports. In terms of products, cotton yarn, fabrics and made-ups are the leading export items in the textile category. In the clothing category, the major item of exports was cotton readymade garments and accessories. However, in terms of share in total imports by EU and USA from India, these products hold relatively lesser share than products made of other fibers, thus showing the restrain in this category. Critical Factors that Need Attention Though India is one of the major producers of cotton yarn and fabric, the productivity of cotton as measured by yield has been found to be lower than many countries. The level of productivity in China, Turkey and Brazil is over 1 tonne / ha., while in India it is only about 0.3 tonne / ha. In the manmade fiber sector, India is ranked at fifth position in terms of capacity. However, the capacity and technology infusion in this sector need to be further enhanced in view of the changing fiber consumption in the world. It may be mentioned that the share of cotton in world fiber demand declined from around 50 percent (14.7 mn tons) in 1982 to around 38 percent (20.12 mn tons) in 2003, while the share of manmade fiber has increased from 44 percent (13.10 mn tons) to around 60 percent (31.76 mn tons) over the same period. Apart from low cost labour, other factors that are having impact on final consumer cost are relative interest cost, power tariff, structural anomalies and productivity level (affected by technological obsolescence). A study by International Textile Manufacturers Federation revealed high power costs in India as compared to other countries like Brazil, China, Italy, Korea, Turkey and USA. Percentage share of power in total cost of production in spinning, weaving and knitting of ring and O-E yarn for India ranged from 10 percent to 17 percent, which is also higher than that of countries like Brazil, Korea and China. Percentage share of capital cost in total production cost in India was also higher ranging from 20 percent to 29 percent as compared to a range of 12 to 26 percent in China. In India, very few exporters have gone in for integrated production facility. It is noted that countries that would emerge as globally competitive would have significantly consolidated supply chain. For instance, competitor countries like Korea, China, Turkey, Pakistan and Mexico have a consolidated supply chain. In contrast, apart from spinning, the rest of the activities like weaving, processing, made-ups and garmenting are all found to be fragmented in India. Besides, the level of technology in the Indian weaving sector is low compared to other countries of the world. The share of shuttle less looms to total loomage in India is 1.8% as compared to Indonesia (10%), Bangladesh (10%), Sri Lanka (12%), China (14%) and Mexico (29%). The supply chain in this industry is not only highly fragmented but is beset with bottlenecks that could very well slow down the growth of this sector. As a result the average delivery lead times (from procurement to fabrication and shipment of garments) still takes about 45-60 days. With international lead delivery times coming down to 30-35 days, India needs to cut down the production cycle time substantially to stay in the market. Besides, erratic supply of power and water, availability of adequate road connectivity, inadequacies in port facilities and other export infrastructure have been adversely affecting the competitiveness of Indian textiles sector. Conclusions It is believed the quota regime has frozen the market share, providing export opportunities even for high cost producers. Thus, in the free trade regime, the pattern of imports in the quota countries would undergo changes. The issues that would govern the market share in the post quota regime would eventually be productivity, raw material base, quality, cost of inputs, including labour, design skills and operation of economies of scale. It is believed that quotas, by limiting the supply of goods have kept export prices artificially high. Thus, it is estimated that there would be price war in the post quota regime, with competitive price cuts. The price and quantity effects would depend on the efficiency in production process, supply chain management and the price elasticity of demand. Due to the expected fall in prices, developing countries with high production cost have little choice but to compete head-on with the biggest low cost suppliers. In this process, it is presumed that there would be better resource reallocation in these economies. It is assumed that quota restrictions would continue beyond 2005 in various forms. It is also widely recognized that removal of quota may not directly provide easy and unrestricted access to developed country markets. There would be non-tariff barriers as well. Standards related to health, safety, environment, quality of work life and child labour would gain further momentum in international trade in textiles and clothing. Strategies and Recommendations Cost competitiveness in Indian garments sector has been restrained by limited scale operations, obsolete technology and reservation under SSI policies. While retaining its traditional cost advantages of home grown cotton and low cost labour, India needs to sharpen its competitive edge by lowering the cost of operations through efficient use of production inputs and scale operations. Besides, there are needs for rationalization of charges, levies related to usage of export logistics to remain cost competitive. As fallout to the quota regime, there would be consolidation of production and restriction on supplying countries, which would necessarily mean improved scale operations. Indian players should also integrate to achieve operating leverage and demonstrate high bargaining power. It is reported that Chinese textile firms have already invested heavily to expand and grab huge market share in the quota free world. In India, organised players in this sector would require huge investments to remain competitive in the quota free world. These players need to expand and integrate vertically to achieve scale operations and introduce new technologies. It is estimated that the industry would require Rs. 1.5 trillion (US $ 35 billion) new capital investment in the next ten years (by 2014) to lap the potential export opportunities of US $ 70 billion. It is estimated that USA and EU together would offer a market of US $ 42 billion for Indian textiles and garments in 2014. Technology would play a lead role in the weaving and processing, which would improve quality and productivity levels. Innovations would also be happening in this sector, as many developed countries would innovate new generation machineries that are likely to have low manual interface and power cost. Indian textile industry should also turn into high technology mode to reap the benefits of scale operations and quality. Foreign investments coupled with foreign technology transfer would help the industry to turn into high-tech mode. Internationally, trading in textile and garment sector is concentrated in the hands of large retail firms. Majority of them are looking for few vendors with bulk orders and hence opting for vertically integrated companies. Thus, there is need for integrating the operations in India also, from spinning to garment making, to gain their attention. This would also bring down the turn around time and improve quality. Indian players should also improve upon their soft skills, viz., design capabilities, textile technology, management and negotiating skills. Garment manufacturing business is order driven. It would be difficult for the players to keep the workforce full time, even in lean season. This calls for changes in contract labour laws. Logistics and supply chain would also play a crucial role as timely delivery would be an important requirement for success in international trade. The logistics and supply chain management of Indian textile firms are relatively weak and needs improvement and efficiency. China has already created a world class export infrastructure. Given the volume of projections for exports by India, it may be necessary to create additional export infrastructure, especially investment for modernization of ports. In addition, India needs to invest for creating brand equity, supply chain management and apparel industry education. To sum up, the ability of Indian textile industry to take advantage of quota phase-out would depend upon their ability to enhance overall competitiveness through exploitation of economies of scale in manufacturing and supply chain. The need of the hour therefore is to evolve a well chalked out strategy, aimed at improvement in the levels of productivity and efficiency, quality control, faster product innovation, quick response to changes in consumer preferences and the ability to move up in the value chain by building brand names and acquiring channels of distribution so as to outweigh the advantages of competitors in the long run. Source: Export-Import Bank of India, India. penile enlargement herb enlargement forum free matter pennis size homemade penis elargement plastic surgery pnis enlargement mp4 vimax pnis enlargement surgery free natural penile enlargment penis elargement pic penile enlargement excersizes

Natural penis enlargement exercises are a way to add permanent thickness and length to the penis. It is through these exercises that the penis becomes able to fill with more blood than before. Natural enlargement exercise programs include a warm up, jelq session plus other exercises, and cool down routine. Penile exercises are an effective way to add permanent growth in a few months of regular practice. How penis enlargement exercises work The basic idea behind penis exercises is that your penis is currently limited in size. Your erections can only get so big because your penis can only fill with so much blood. The penis has 2 large chambers, called the corpora cavernosa, which are made up of a spongy tissue. During an erection, this region of the penis fills with blood. To make erections happen, these tissues soak up the blood flowing into the penis. Exercises train these tissues to let more blood in, and this is what makes bigger erections possible. Exercise techniques A workout routine is made up of a basic exercise known as the jelq. It is a slow and rhythmic, light outward pull movement on the penis. Doing such manual exercises opens up more areas of the spongy penis tissue. This will allow the penis to fill with more blood. There are many variations to the jelq and other exercises in any given program. The best way to move through an exercise program is to start with a short, few minute workout, and work your way to a longer one. While adding size may be the main reason for starting an exercise program, a valuable technique used in many programs involves exercises targeting the PC muscle. This muscle needs to be toned and kept in shape to improve orgasms and ejaculations. Exercises compared to other methods Exercises can lead to more positive effects than that found with the use of weights or pumps. Where weights stretch the penis into a thin hot dog shape, exercises can expand both the girth (thickness) and the length. The results from pumps can be good but they are only temporary. Some guys found other problems with pumps such as swelling, scarring, and dependence on the pump for any erection at all. Newer methods of penis enlargement that include an exercise program are not painful and add permanent growth to the size of the penis. penis enargement operation pro fitness health solution free penis enlargment penis enargement excercises enlargment manhattan penile vig rx oil herbal natural penis enlargement home penile enlargement penile enlargement excersizes

Erectile dysfunction (ED), also called "impotence", is one of the most common health problems affecting men. Erectile dysfunction can be a total inability to achieve erection, an inconsistent ability to do so, or a tendency to sustain only brief erections. Chronic ED affects about 5% of men in their 40s and 15-25% of men by the age of 65. Transient ED and inadequate erection affect as many as 50% of men between the ages of 40 and 70. Causes Erectile dysfunction has many underlying physical and psychological causes. Most men with physical causes usually have an associated psychological component. Underlying conditions of erectile dysfunction include the following: Physical health conditions Problems with the nervous system can affect the transmission of signals from the brain to the blood vessels in the penis. This occurs in conditions including multiple sclerosis, spinal cord injury and Parkinson's disease. The nerves involved in sexual arousal can also be damaged in surgery to the pelvic area, such as removal of the prostate. Vascular diseases account for nearly half of all cases of erectile dysfunction in men older than 50 years. These include atherosclerosis, veno-occlusive disease, peripheral vascular disease, arterial hypertension, history of heart attacks, blood vessel trauma, high cholesterol levels. Systemic diseases associated with erectile dysfunction: Diabetes mellitus is a major cause of erection problems (about 60% of men with diabetes experience erectile dysfunction), scleroderma, kidney failure, liver cirrhosis, hemachromatosis, dyslipidemia, hypertension. Neurologic diseases. Problems with the nervous system can affect the transmission of signals from the brain to the blood vessels in the penis. Diseases that affect the nervous system and are commonly associated with erectile dysfunction include: multiple sclerosis, spinal cord and brain injuries, parkinson's disease, alzheimer's disease, epilepsy, Guillain-Barre syndrome. Respiratory disease associated with erectile dysfunction include: chronic obstructive pulmonary disease, sleep apnea Conditions of the penis: Peyronie's disease (a rare inflammatory condition that causes scarring of erectile tissue), epispadias, priapism, Infections. Traumatic Causes. Trauma or injury to the penis, spinal cord, prostate, bladder, and pelvis can lead to erectile dysfunction by harming nerves, smooth muscles, arteries, and fibrous tissues of the corpora cavernosa. Bicycle riding for long periods has also been implicated as a cause of erectile dysfunction. Some types of prostate or bladder surgery. Surgery of the colon, prostate, bladder, or rectum may damage the nerves and blood vessels involved in erection. Medications. A great variety of prescription medication are known to cause or contribute to erectile dysfunction: blood pressure medication (especially beta-blockers) heart medication antihistamines antidepressants tranquilizers antipsychotics anticonvulsants appetite suppressants anti-ulcer medications sleeping pills Psychological conditions. Experts believe that psychological factors cause 10 to 20 % of erectile dysfunction cases. Anxiety and guilt are the most common psychological causes of erectile dysfunction. Depression, worry, stress, low self-esteem, and fear of sexual failure all contribute to loss of libido and erectile dysfunction. Substance abuse. Alcoholism. Drinking too much alcohol interferes with the production of the male hormone testosterone, which can reduce libido. Smoking is considered an important risk factor for erectile dysfunction because it is associated with poor blood circulation and its impact on cavernosal function. Hormone Disorders account for fewer than 5% of cases of erectile dysfunction. An imbalance in hormones, such as testosterone, prolactin, or thyroid, can cause erectile dysfunction. Age. Erection problems tend to become more common with age, but it can affect men at any age and at any time in their lives. Physical causes are more common in older men, while psychological causes are more common in younger men. Treatment options Erectile dysfunction is treatable at any age. In around 95% of the cases, a suitable treatment can be found. There are three oral medications approved for the treatment of erectile dysfunction: sildenafil (Viagra), vardenafil (Levitra), and tadalafil (Cialis). All three medications belong to a class of drugs called phosphodiesterase (PDE) inhibitors. They block the enzyme phosphodiesterase-5 (PDE-5) and this helps maintain the levels of cyclic guanosine monophosphate (GMP), a chemical produced in the penis during sexual arousal. Balanced levels of GMP causes the smooth muscles of the penis to relax and increases blood flow. This allows a natural sequence to occur - an erection in response to sexual stimulation. These medications don't automatically produce an erection. Instead they allow an erection to occur after physical and psychological stimulation. Viagra, Levitra, and Cialis vary in dosage, duration of effectiveness and possible side effects. All three drugs are generally well tolerated. They are a good choice for men at any age and in any ethnic group who are in good health and who do not have conditions that preclude taking it (such as the use of nitrates or alpha-blockers). The success rates of all three drugs vary between 70% and 90%.