VIAGRA

All Information: Reviews, Characteristics, Usage, Side Effects and Prices

Viagra by Pfizer

Viagra (Sildenafil Citrate) is an impotence pill that was first introduced in 1999 by Pfizer Pharmaceuticals in New York, NY. Viagra treats the physical problem of Erectile Dysfunction (ED) by increasing blood flow to the penis thus allowing a male to achieve and maintain an erection during sexual stimulation. It is the first oral treatment for male impotence filed with the US FDA and the European Medicines Evaluation Agency.

Viagra is also good for the heart: it inhibits an enzyme called PDE5A. In the heart muscle, PDE5A helps break down cyclic GMP, a molecule that acts to curb stresses and overgrowth in the heart.

Viagra works up to 4.5 - 5 hours. Viagra comes in tablets, soft tabs and oral jelly. Tablets come in different dose sizes, 25 mg, 50 mg, and 100 mg depending on what is considered best for you. Viagra tablets are easier to split.

How to take

This drug is taken by mouth as needed 60 minutes before sex.

Side Effects

Dyspepsia, diarrhea, dizziness, headache, flushing, upset stomach, stuffy nose, blurred vision, changes in blue or green vision, increased light sensitivity, back pain, and or muscle aches might occur. See information on How To Lessen the Side Effects. If these effects persist or worsen, notify your doctor promptly.

Precaution

Some medicines or medical conditions may interact with this medicine. Inform your doctor or pharmacist of all prescription and over-the-counter medicine that you are taking.

DO NOT TAKE OR PURCHASE VIAGRA if you are also taking or using nitroglycerin or other nitrates in any form. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking cimetidine, erythromycin, ketoconazole, itraconazole, mibefradil, or an HIV protease inhibitor. Inform your doctor of any other medical conditions or allergies.

USE OR PURCHASE OF VIAGRA IS NOT RECOMMENDED if you have a history of heart conditions, high or low blood pressure, stroke, or retinitis pigmentosa.

Storage

Store at room temperature between 59 and 86 degrees F (15 and 30 degrees C) in a tightly-closed container, away from heat and light.

FACT: Generic works exactly the same as brand.


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Sources: US Food and Drug Association (http://www.fda.gov/cder/drug/infopage/viagra/default.htm)