Sildenafil or Tadalafil: Finding the Right Fit

Sildenafil or Tadalafil: Finding the Right Fit

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Sildenafil and tadalafil are the two most common treatments for erectile dysfunction. Both help most men who try them, and both are now available as lower-cost generics. The question that matters is usually not which one is "better", but which one matches your plans.

Sildenafil is typically taken about an hour before sex and lasts around four to five hours. A high-fat meal can delay the effect. Tadalafil, on the other hand, can last for up to 36 hours, and food makes little difference. Some men also take a low daily dose of tadalafil so they never need to time a tablet.

To compare the two in more detail, see this plain-English guide explains the differences step by step.

Before you start: never take either medicine with nitrate tablets or sprays for chest pain or with "poppers". Let your doctor know about any blood pressure tablets. Common side effects are headache, flushing, a blocked nose and indigestion. Seek medical help here straight away for an erection lasting more than four hours or any sudden loss of sight or hearing.

Strength matters too. The licensed doses are 25, 50 or 100 mg for sildenafil and 2.5 to 20 mg for tadalafil. Higher-strength tablets do not reliably work better, 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, check the strength on the pack and read the patient leaflet. A valid prescription is required for every order of a prescription medicine. There is more detail in this tadalafil and sildenafil guide.

This article is for general information only. Speak to your doctor or pharmacist before starting any medicine.

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