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Sildenafil Side Effects

What side effects can Sildenafil cause?

Sildenafil Side Effects

What side effects can Sildenafil cause?

Dr Louisa Draper

"To ensure that you are taking sildenafil safely and to reduce the chance of experiencing unwanted side effects you must ensure that you obtain a prescription for the drug." - Dr Louisa Draper

Dr Louisa Draper

"To ensure that you are taking sildenafil safely and to reduce the chance of experiencing unwanted side effects you must ensure that you obtain a prescription for the drug."

Dr Louisa Draper

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Most men find that they tolerate sildenafil well, but as all medicines, sildenafil may cause side effects. 

The most common side effect of sildenafil is a headache. This can be made worse if you are tired, dehydrated or hungry. A headache after taking sildenafil should not last long and if it does or is severe then you should see a doctor to make sure there are no other underlying causes for this. 

Sildenafil can rarely cause severe side effects which include allergic reactions, fits, stroke, heart attack, prolonged painful erections, vision disturbances or hearing problems.

Last reviewed: 12.12.19 by Dr Clair Grainger