Before taking sildenafil or generic Viagra, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. Before using this popular medication called Viagra, tell your doctor or pharmacist your medical history, especially of: penis conditions, history of painful/prolonged erection (priapism), sickle cell anemia, blood system cancers, eye problems, kidney disease, liver disease, bleeding disorders, active stomach ulcers, heart problems, recent heart attack or serious arrhythmia within past 6 months, heart failure, coronary artery disease with unstable angina, aortic stenosis, idiopathic hypertrophic sub aortic stenosis, recent stroke within past 6 months, very high or low blood pressure.

This popular drug may make you dizzy or cause vision changes; use caution engaging in activities requiring alertness such as driving or using machinery. Limit all alcoholic beverages; to minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position. Do not take or drink this medication with any other product that contains sildenafil or other similar medications for erection problems (e.g., tadalafil or generic Viagra, vardenafil or generic Viagra).

Caution is always good advised when using this drug in the elderly because they may be more sensitive to the side effects of the drug or generic Viagra. This common drug is not indicated for use in women or children. Your doctor or pharmacist may already be aware of any possible drug or generic Viagra interactions and may be monitoring you for them. Do not start, please stop, or change the dosage of any medicine before checking with them first.