Viagra is a phosphodiesterase inhibitor

Viagra is acclimated for:
Treating arrect dysfunction (ED). It may aswell be acclimated for added altitude as bent by your doctor.
Viagra is a phosphodiesterase inhibitor. It works by allowance to access claret breeze into the penis during animal stimulation. This helps you to accomplish and advance an erection.
Do NOT use Viagra if:
* you are allergic to any additive in Viagra
* you accept been brash by your doctor to abstain animal action because of affection problems
* you are demography nitrates (egg, isosorbide, nitroglycerin) in any anatomy (egg, tablet, capsule, patch, ointment) or nitroprusside
* you use assertive recreational drugs alleged "poppers" (egg, amyl nitrate, butyl nitrate)
Contact your doctor or bloom affliction provider appropriate abroad if any of these administer to you.
Before application Viagra :
Some medical altitude may collaborate with Viagra . Tell your doctor or pharmacist if you accept any medical conditions, abnormally if any of the afterward administer to you:
* if you are demography any decree or nonprescription medicine, herbal preparation, or comestible supplement
* if you accept allergies to medicines, foods, or added substances
* if you accept a askew penis (egg, Peyronie disease, cavernously fibrosis), claret problems (egg, sickle corpuscle anemia, leukemia, assorted myeloid), or any added action that may access the accident of a abiding adjustment (egg, priapism)
* if you accept a history of assertive eye problems (egg, retinitis pigmenting, abrupt eyes loss, optic neuropathy, macular degeneration)
* if you accept a history of alarmist or branch problems, top or low claret pressure, ulcers, bleeding problems, affection problems (egg, affection failure, aberrant heartbeat, aortic stenos is, angina), or claret barge problems
* if you accept a history of affection attack, stroke, or life-threatening aberrant heartbeat, abnormally aural the accomplished 6 months
Some MEDICINES MAY INTERACT with Viagra . Tell your bloom affliction provider if you are demography any added medicines, abnormally any of the following:
* Alpha-blockers (egg, doxazosin), amlodipine, medicines for top claret pressure, nitrates (egg, isosorbide, nitroglycerin), or nitroprusside because astringent low claret burden with dizziness, lightheadedness, and amazement may occur
* Azole antifungal (egg, itraconazole), cimetidine, H2 agonists (egg, famotidine), HIV protease inhibitors (egg, ritonavir), macrolide antibiotics (egg, erythromycin), or telithromycin because they may access the accident of Viagra 's ancillary effects
* Bosentan or rifampin because they may abatement Viagra 's effectiveness
This may not be a complete account of all interactions that may occur. Ask your bloom affliction provider if Viagra may collaborate with added medicines that you take. Check with your bloom affliction provider afore you start, stop, or change the dosage of any medicine.