Sildenafil 25mg 4 Tablets
Merchant: Pharmacy First
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Sildenafil Sildenafil, a well-known and effective treatment for erectile dysfunction, was launched in 1998 by Pfizer. In recent years the patent ended which allowed cheaper alternatives to become available on the market. There are several different manufacturers of sildenafil but they all contain the same active ingredient. Sildenafil tablets contain the active ingredient sildenafil citrate. This is the same drug as found in Viagra. Sildenafil tablets are very effective at treating erectile dysfunction and are often used first-line for treatment of this condition. You can safely buy sildenafil or Viagra from our UK registered pharmacy after completing a medical questionnaire. Sildenafil is available in three strengths: Sildenafil 25mg Sildenafil 50mg Sildenafil 100mg The recommended starting dose is 50mg, then this can be increased or decreased depending on your tolerance to it. There are other treatments available that work in a similar way to sildenafil. These are tadalafil (Cialis), Levitra and Spedra. They all work in a similar way but have different potencies. If you aren't sure which treatment to choose you can try the potency test pack. How does sildenafil work? Sildenafil helps to relax the blood vessels in the penis which helps to increase blood flow to it during sexual stimulation, resulting in an erection that is hard enough for sexual activity. When sexually aroused, a chemical messenger called cGMP is released in the penis. This causes the smooth muscle in the penis to relax, allowing blood to flow to the penis and cause an erection. Sildenafil, and similar drugs, are known in medical terms as a Phosphodiesterase type-5 (PDE5) inhibitor. PDE5 is enzyme which is present in smooth muscle and is responsible for regulating blood flow. Too much of this enzyme can cause a breakdown of cGMP which in turn may result in difficulty achieving or maintaining an erection. Inhibiting the action of PDE5 means cGMP is unable to break down, therefore leading to an erection. Sildenafil doesn't cause an erection, it just helps the blood vessels relax enough to let blood flow in to the penis more easily, therefore, if you aren't sexually stimulated or aroused, it is unlikely you will experience an erection.
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Pharmacy First is a UK online pharmacy employing registered pharmacists who check every order placed on the site and are available to offer advice to all customers.