This medicine is not used for sexual stimulation.
Contraindication with patients who have cardiovascular disease that take nitrate vasodilator agent because it may be fatal, death.
Contraindication in children and women, patients who have liver disease or renal disease.
Should not use this medicine more than once daily.
Should not use this medicine with other medicine in erectile dysfunction.
If visual disturbance, bone pain, chest pain, palpitation, arrhythmia, sweating or fainting occurs, consult the doctor immediately.