you are already taking medication for erectile dysfunction, which include any topical creams or ointments you have previously had an allergic reaction to it you have been advised by your doctor to avoid sexual activity you have recently been diagnosed with heart problems, have had a heart attack or a stroke you have low blood pressure or high blood pressure that is not well controlled you suffer from certain inherited eye diseases such as retinitis pigmentosa or optic neuropathy you have any disease or deformity of the penis e cialis from india