Viagra is licenced exclusively for the treatment of male erectile dysfunction and can be used in adults over 18 years old. This product should not be used by women. There is no upper age limit for Sildenafil but physical limitations and a patient’s medical health will play a part in deciding whether sex, which can be strenuous cardiovascular exercise is appropriate or suitable.

This medicine is not suitable for patients who:

Take medicines containing nitrates including, Nicorandil as this could reduce your blood pressure to a dangerous level.
Are using any drugs known as nitric oxide donors, such as amyl nitrate which often used recreationally.
Are allergic to sildenafil or any other ingredients listed in the patient information leaflet.
Suffer from severe heart or liver problems.
Have recently had a stroke or heart attack
Have a rare inherited eye disease called retinitis pigmentosa
Have ever suffered a loss of vision due to non-arteritic ischaemic optic neuropathy.
Have suffered priapism (prolonged painful erection) or suffer from anatomical deformations of the penis, for example, Peyronie’s disease and Cavernosal Fibrosis.
Viagra tablets should be used with caution in patients who suffer from low blood pressure.