Sildenafil is not indicated for use by women
Sildenafil must not be used in men with cardiac (heart) disease for whom sexual activity is inadvisable
Do not use in the case of hypersensitivity to the active ingredient or to any of the additional ingredients listed below
Sildenafil must not be used where there is a loss of vision in one eye due to non-arteritic anterior ischaemic optic neuropathy (NAION)
Sildenafil should not be used in men who also take nitrate medications, patients with low blood pressure (hypotension), degenerative retinal disorders or severe hepatic impairment