Viagra is used, in order to treat put upable malfunction (powerlessness). Viagra relaxes muscles within the Penis. This permits increased blood river into the Penis, necessarily, to obtain and maintain a putting up. If you are over 65 years of the age, you can be more probable to experience side effects from Viagra to. Your doctor can prescribe a unterere dose of this medication.
Dosage is based on your medical condition, your response to therapy, and other medication you might be taking.