Diarrhea, nosebleeds, tingling, numbness, or burning, changes in color vision, problem, insomnia, muscle pains, flushing, light level of sensitivity, and heartburn ( pyrosis ) are mild adverse effects, while breakout, shortness of breath, burning or irritating throughout peeing, priapism, upper body discomfort, blurred eyesight, fainting, lightheadedness, lightheadedness, reduction of hearing, sudden severe loss of eyesight, and supplanting ears are taken into consideration to be significant.

One should be detected with erectile dysfunction in order to take this medication.

See to it you inform your safety care carrier if you are currently taking any one of the adhering to medicines: hypertension medicines, nevirapine, phenobarbital, rifabutin, beta blockers, phenytoin, HIV protease preventions, erythromycin, efavirenz, barbiturates, amlodipine, various other erectile disorder procedure medicines, bosentan, anticoagulants, cimetidine, antifungals (itraconazole, ketoconazole), medcines for seizures, tamsulosin, alpha blockers (doxazosin, prazosin, rifampin, alfuzosin) or carbamazepine.

Once you take the medicine, you can expect up to 4 hrs of efficiency, and you can make love at any time within this duration.