Sildenafil or Tadalafil: Finding the Right Fit

Tadalafil and sildenafil are the two most widely prescribed treatments for erectile dysfunction. Both have a long track record, and both are sold as lower-cost generics. The main question is often not which one is "better", but which one fits your routine.

Generic sildenafil is usually taken about an hour before sex and lasts around four to five hours. A heavy meal can delay the effect. Generic tadalafil, on the other hand, can last for up to 36 hours, and food has little effect. Plenty of men also take a low daily dose of tadalafil so they never need to time a tablet.

For a side-by-side look, this guide covers doses, timing and safety.

Safety first: never take either medicine with nitrate heart medicines or with "poppers". Let your doctor know about any alpha-blockers. Common side effects are headache, flushing, a blocked nose and indigestion. Seek medical click here help straight away for an erection lasting more than four hours or any sudden loss of sight or hearing.

More is not always better. 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. You can read more on this page.

This article is for general information only. Always check with your doctor before starting a new medicine.