Drug name

Viagra (Sildenafil)

Drug Uses

Viagra is used to treat impotence in men. It increases the body's ability to achieve and maintain an erection during sexual stimulation.

How Taken

Viagra should be taken as needed about 1 hour before sexual activity. However, Viagra can be taken anytime from 4 hours to 30 minutes before sexual activity.

Missed Dose

Viagra is used as needed, so you are not likely to miss a dose. If you miss a dose of Viagra, take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.

Storage

Keep Viagra in its original container. Store at 25 degrees C (77 degrees F); excursions permitted to 15-30 degrees C (59-86 degrees F).

Possible Side Effects

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

• an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
• chest pain or an irregular heartbeat;
• swelling of the ankles or legs;
• shortness of breath;
• prolonged or severe dizziness;
• a prolonged (lasting longer than 4 hours) or painful erection; or
• dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or tingling in the chest, arms, neck, or jaw).

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

More Information

If you are over 65 years of age, you may be more likely to experience side effects from Viagra. Your doctor may prescribe a lower dose of this medication.


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