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Viagra |
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What is Viagra and why is it prescribed? Viagra is an oral drug for male impotence. It works by dilating blood vessels in the penis, allowing the inflow of blood needed for an erection. Viagra causes erections only during sexual excitement. It does not work in the absence of arousal. How should you take Viagra? Follow your doctors directions for taking Viagra. Taking Viagra approximately 1 hour before sexual activity works best for most men. Depending on how and when the drug works for you, an interval of one-half hour to as much as 4 hours may prove ideal. Viagra is not for regular use. Take Viagra only before sexual activity. Store Viagra at room temperature. Are there any Viagra side effects? Viagra side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. More common Viagra side effects may include abnormal vision, acid indigestion, diarrhea, flushing, headache, nasal congestion, and urinary tract infection. Less common to rare Viagra side effects may include abdominal pain, abnormal dreams, abnormal ejaculation, allergic reactions, anxiety, asthma, bloodshot eyes, bone pain, breast enlargement, cataracts, chest pain, chills, coordination problems, cough, depression, difficulty breathing, difficulty swallowing, dilated pupils, dizziness, drowsiness, dry eyes, dry mouth, emotional or mental disturbances, eye inflammation or pain, other eye disorders, fainting, falling, genital problems, gout, gum inflammation, heart problems, increased night-time urination, increased pressure in the eyes, insomnia, itchy skin, joint disease, light sensitivity, loss of bladder control, low blood pressure, migraine headache, muscle ache, 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, vomiting, and weakness. Heart attack, stroke, heart irregularities, dangerous surges in blood pressure, and sudden death have all been reported after use of Viagra, usually in men with existing cardiac risk factors, and typically during or shortly after sex. What are the possible food and drug interactions when taking Viagra? If Viagra is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Be sure to inform your doctor of all the prescription and over the counter medications you are taking. It is especially important to check with your doctor before combining Viagra with Other impotence remedies (including Caverject and Muse), Amlodipine (Norvasc), Cimetidine (Tagamet), Erythromycin (E-Mycin, Ery-Tab, PCE), Itraconazole (Sporanox), Ketoconazole (Nizoral), Nitrates (such as Isordil, Nitro-Bid, and Nitro-Dur), Rifampin (Rifadin, Rimactane), Ritonavir (Norvir), or Saquinavir (Fortovase, Invirase). Are there any special warnings about Viagra? If you have heart problems severe enough to make sexual activity a danger, you should avoid using Viagra. Use it cautiously, if at all, if you have had a heart attack, stroke, or life-threatening heart irregularities within the past 6 months. Be equally cautious if you have severe high or low blood pressure, heart failure, or unstable angina. If you take Viagra and develop cardiac symptoms during sexual activity, do not continue. Alert your doctor to the problem as soon as possible. If you have a condition that might result in long-lasting erections, such as sickle cell anemia, multiple myeloma, or leukemia, use Viagra with caution. Also use cautiously if you have a genital problem or deformity such as Peyronie's disease. If an erection lasts more than 4 hours, seek treatment immediately. Permanent damage and impotence could result. If you have a bleeding disorder, a stomach ulcer, or the inherited eye condition known as retinitis pigmentosa, use this medication with caution. Its safety under these circumstances has not yet been studied. Viagra is not for use by women. |
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