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Sildenafil

Sildenafil is a prescription medicine used to treat erectile dysfunction (ED). It increases blood flow to the penis during sexual stimulation, helping many men achieve...
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About Sildenafil

Sildenafil is a prescription medicine used to treat erectile dysfunction (ED). It increases blood flow to the penis during sexual stimulation, helping many men achieve and maintain an erection. It usually starts working within 30–60 minutes and remains effective for up to 4 hours. 
  • Take one tablet 30–60 minutes before sexual activity. 
  • Do not take more than one dose in 24 hours. 
  • Can be taken with or without food, although a high-fat meal may delay its effect. 
  • Avoid excessive alcohol. 

Common 

  • Headache 
  • Flushing 
  • Indigestion 
  • Blocked nose 
  • Dizziness 

Less Common 

  • Visual disturbances 
  • Muscle aches 

Seek Urgent Medical Advice 

  • Chest pain 
  • An erection lasting longer than 4 hours 
  • Sudden loss of vision or hearing 
  • Signs of a severe allergic reaction 
Usually within 30–60 minutes.
Up to 4 hours, although this varies.
Yes. The medicine only works when you are sexually aroused.
Food, alcohol, incorrect timing, anxiety or an insufficient dose can all affect results.
Only if advised by your prescriber. Do not exceed one dose in 24 hours.
Yes, if clinically appropriate.
Yes. Some men prefer its longer duration of action.
Small amounts are usually acceptable, but excess alcohol can make ED worse.
Yes, although high-fat meals may delay its onset.
Take it only when needed; never double up.
Men taking nitrates or certain heart medicines, or those advised against sexual activity.
Yes, when supplied by a registered UK pharmacy after a clinical assessment.
Sildenafil

What's in the box?

1 × Sildenafil (25mg / 4)

Patient Information Leaflet

£9.99


Your health, your confidence

Your health, your confidence

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