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Why is this medication prescribed?
Viagra is the first oral drug for male impotence. It works by dilating blood vessels in the penis, allowing the inflow of blood needed for an erection.
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What special precautions should I follow?
Breast-feeding¡XIt is not known whether Viagra passes into breast milk. Viagra is not indicated for use in women.
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Proper Use of This Medicine
Viagra comes as a tablet to take by mouth. It 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. Via
gra should not be taken more than once a day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take Viagra exact
ly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
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Side Effects of This Medicine
Less common to rare side effects may include:
- insomnia, itchy skin, joint disease, light sensitivity, loss of bladder control (urinary incontinence), low blood pressure, migraine headache, mus
cle ache, nosebleeds, numbness, oral inflammation, pain, painful erection, prolonged erection, raised skin patches, rapid or throbbing heartbeat, rectal bleeding, respiratory inflammation, ringing in
the ears, seizure, sinus and throat inflammation, skin rash, skin ulcer, slow reflexes, stomach or intestinal inflammation, sweating, swelling, thirst, tremor, vision problems, vomiting, weakness
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Precautions while Using this Medicine
Viagra has not been studied with other medicines used for treatment of erectile dysfunction. Presently, using them together is not recommended .
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- Use Viagra exactly as directed by your doc
tor. Do not use more of it and do not use it more often than your doctor ordered. If too much is used, the chance of side effects is increased.
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If you experience a prolonged or painful erec
tion for 4 hours or more, contact your doctor immediately. This condition may require prompt medical treatment to prevent tissue damage of the penis and possible permanent impotence.
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Overdose
No overdose of Viagra has been reported. However, any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately.
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