Choosing Between Sildenafil and Tadalafil

Sildenafil and tadalafil are the two most common treatments for erectile dysfunction. Both have a long track record, and both are sold as affordable generics. The main question is usually not which one is "better", but which one fits your routine.

Generic sildenafil is normally taken about an hour before sex and works for four to five hours. A heavy meal can slow it generic tadalafil down. Tadalafil, on the other hand, can work for up to 36 hours, and food makes little difference. Many men also take a low daily dose of tadalafil so they do not have to plan ahead.

For a side-by-side look, read the full guide here walks through timing, food and side effects.

Before you start: never take either medicine with nitrate heart medicines or with "poppers". Tell your doctor about any other medicines you take. Common side effects are headache, flushing, a blocked nose and indigestion. Seek medical help straight away for an erection lasting more than four hours or sudden changes in vision.

Do not chase higher strengths. The licensed doses are 25, 50 or 100 mg for sildenafil and 2.5 to 20 mg for tadalafil. Bigger doses do not bring better results, but they do raise the risk of side effects. Only take the dose your prescriber has set.

If you choose to buy generic sildenafil or tadalafil online, make sure the strength matches your prescription and keep the leaflet. A valid prescription is required for every order of a prescription medicine. There is more detail in this article.

This is general information, not medical advice. Speak to your doctor or pharmacist before starting any medicine.