Drug Name

Viagra (Sildenafil)

Drug Uses

Viagra is cast-off for treating erectile dysfunction (e.g. spear impotence). It works by serving the blood flow into the penis to accomplish and maintain an erection during voluptuous stimulation.

How to use

Viagra is to be enchanted 30 minutes to 1 hour previous sexual activity. You may go away it up to 4 hours before reproductive activity. Viagra is not presumed to be taken more continually than once per day.

Drug Class and Mechanism

Viagra is a phosphodiesterase font 5 inhibitor and it works by plateful the blood flow into the penis to effect and maintain an erection during sensual stimulation.

Missed Dose

Viagra is to be habituated to as necessary, so you are not supposed to bear it according to a schedule.

Storage

Viagra is to be kept in its first container. It is to be stored at allowance temperature between 59 and 86 degrees F (15-30 degrees C) away from moisture, fervidness and light and out of the reach of children.

Warnings/Precautions

Do not need Viagra, if you are also using a nitrate treat for chest pain or crux problems, including nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket), or recreational drugs such as amyl nitrate or nitrite (\\"poppers\\"). Beforehand taking Viagra, spill one's guts your doctor less all other medications you use for erectile dysfunction, or if you are using any of the following medications: bosentan (Tracleer); a blood thinner such as warfarin (Coumadin); cimetidine (Tagamet, Tagamet HB); an antibiotic such as erythromycin (E-Mycin, Eryc, Ery-Tab) or clarithromycin (Biaxin); doxazosin (Cardura), prazosin (Minipress), Terazosin (Hytrin); HIV medicines such as amprenavir (Agenerase), tipranavir (Aptivus), darunavir (Prezista), efavirenz (Sustiva), nevirapine (Viramune), indinavir (Crixivan), saquinavir (Invirase, Fortovase), lopinavir

Possible Side Effects

If you sustain any of the following serious side effects, be over taking Viagra and beg emergency medical notice or notify your doctor instanter: sudden ghost loss; ringing in your ears, or unannounced hearing loss; coffer pain or heavy heat, pain spreading to the arm or get to work, nausea, sweating, non-exclusive ill feeling; bumpy heartbeat; tumour in your hands, ankles, or feet; shortness of soup�on astound; vision changes; ambience light-headed, fainting; or penis erection that is troubling or lasts 4 hours or longer. Less genuine side effects may comprise: warmth or redness in your acknowledge, neck, or chest; frowsty nose; cephalalgia; upset stand; or back pain. This is not a unabated list of side effects and others may be brought to someone's attention. Tell your doctor almost any unusual or bothersome side begin.

More Information

If you are older than 65 years, you can suffer Viagra side effects. On the other hand, your physician may dictate you a lower dose of this medication.