Drug Uses: Generic Viagra is used to treat erectile dysfunction in male patients. It increases the body’s ability to achieve and maintain an erection during sexual stimulation.

How it’s taken: Generic Viagra should be taken as needed about 1 hour before sexual activity. Sometime Generic Viagra can be taken anytime from 4 hours to 30 minutes before sexual activity.
Drug Class: Generic Viagra is a phosphodiesterase inhibitor. It works by helping the blood flow into the penis to achieve and maintain an erection.

Dosage: Generic Viagra is used as needed, so you are not likely to miss a dose. If you miss a dose of Generic Viagra, take the missed dose as soon as you remember. Do not take extra medicine to make up the missed dose.

Side Effects: If you experience any of the following serious side effects, stop taking Generic Viagra and seek emergency medical attention or notify your doctor immediately:

an allergic reaction
swelling of the ankles or legs
shortness of breath
prolonged or severe dizziness
a prolonged or painful erection
dizziness
nausea
angina

Other, less serious side effects may be more likely to occur. Continue to take Generic Viagra and talk to your doctor if you experience. Side effects other than those listed here may also occur:

flushing
mild dizziness
headache
nasal congestion
diarrhea
temporary blue tint in vision or other vision abnormalities
itching or a rash

Talk to your doctor about any side effect that seems unusual or that is especially bothersome.