Viagra treats impotence (ED)

Treating erectile dysfunction (ED). It may also be used for other conditions as unwavering nigh your doctor.

Viagra is a phosphodiesterase inhibitor. It works cheap stamazide by means of help to augmentation blood flow into the penis during sex stimulation. This helps you to achieve and perpetuate an erection.

Do NOT use Viagra if:

* you are allergic to any ingredient in Viagra
* you take been advised beside your doctor to avoid procreant activity because of heart problems
* you are fascinating nitrates (eg, isosorbide, nitroglycerin) in any form (eg, troche, capsule, patch, permission) or nitroprusside
* you buy assured recreational drugs called "poppers" (eg, amyl nitrate, butyl nitrate)

Ring up your doctor or health attend to provider honourableness away if any of these use to you.

Preceding the time when using Viagra :

Some medical conditions may interact with Viagra . Communicate your doctor or pharmacist if you eat any medical conditions, unusually if any of the following apply to you:

* if you are winning any prescription or nonprescription medication, herbal preparation, or dietary postscript
* if you have allergies to medicines, foods, or other substances
* if you own a deformed penis (eg, Peyronie virus, cavernosal fibrosis), blood problems (eg, sickle chamber anemia, leukemia, multiple myeloma), or any other ready that may increase the jeopardy of a prolonged erection (eg, priapism)
* if you be suffering with a history of unfailing eye problems (eg, retinitis pigmentosa, sudden view loss, optic neuropathy, macular degeneration)
* if you from a intelligence of liver or kidney problems, penetrating or unseemly blood exigencies, ulcers, bleeding problems, spunk problems (eg, pluck non-starter, haphazard heartbeat, aortic stenosis, angina), or blood ship problems
* if you comprise a experience of heartlessness destruction, stroke, or life-threatening irregular heartbeat, chiefly within the past 6 months

Some MEDICINES MAY INTERACT with Viagra . Indicate your form concern provider if you are charming any other medicines, extraordinarily any of the following:

* Alpha-blockers (eg, doxazosin), amlodipine, medicines for turbulent blood exigency, nitrates (eg, isosorbide, nitroglycerin), or nitroprusside because merciless low blood pressure with dizziness, lightheadedness, and fainting may appear
* Azole antifungals (eg, itraconazole), cimetidine, H2 agonists (eg, famotidine), HIV protease inhibitors (eg, ritonavir), macrolide antibiotics (eg, erythromycin), or telithromycin because they may expansion the imperil of Viagra 's side effects
* Bosentan or rifampin because they may decrease Viagra 's effectiveness

This may not be a complete record of all interactions that may occur. Beg your health care provider if Viagra may interact with other medicines that you take. Halt with your trim care provider before you start, quit, or convert the dose of any medicine.