Viagra is an oral drug for male impotence, also known as erection dysfunction. It works by dilating blood vessels in the knob, permitting the inflow of blood needed for an erection. Viagra relaxes muscles and increases blood flow to particular areas of the body. Sildenafil under the name Viagra is used to treat erectile dysfunction ( impotence ) in men.

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don't take Viagra if you are also employing a nitrate drug for chest pain or heart issues. This includes nitroglycerin ( Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and others ), isosorbide dinitrate ( Dilatrate-SR, Isordil, Sorbitrate ), and isosorbide mononitrate ( Imdur, ISMO, Monoket ).
If you've got any of these conditions, you could need a dose adjustment or special tests to safely take this medication.
Viagra can lower blood flow to the optic nerve of the eye, causing sudden vision loss. This has took place in a low number of folks taking Viagra, most of whom also had coronary disease, diabetes, high blood pressure, high cholesterol, or certain existing eye issues, and in those who smoke or are over fifty years old. It is not clear whether Viagra is the particular reason for vision loss.
Take Viagra exactly as it was prescribed for you. Viagra is mostly taken only when required, thirty minutes to one hour before sexual activity. You'll take it up to 4 hours before sexual activity. Don't take Viagra several times per day. Viagra will help you have an erection when sexual kick occurs. An erection won't occur simply by taking a tablet. Follow your doctor's instructions. During sexual activity, if you become dizzy or sickened, or have agony, insensibility, or shivering in your chest, arms, neck, or jaw, stop and call your doctor right away. You might be having a major side effect of Viagra. Store this medication at room temperature away from moisture and heat.
Seek emergency medical aid if you think you have used way too much of this drugs. Avoid consuming alcohol, which can increase some of the side effects of Viagra. Avoid using other medicines to treat impotence, such as alprostadil ( Caverject, Muse, Edex ) or yohimbine ( Yocon, Yodoxin, others ), without first chatting to your health practitioner.

Get emergency medical help if you have got any of these signals of an allergic retort : hives ; difficulty breathing ; swelling of your face, lips, tongue, or throat. During sexual activity, if you become dizzy or sickened, or have discomfort, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your physician immediately. Stop using Viagra and call your GP at once if you have any of these major side effects : unexpected vision loss ; ringing in your ears, or unexpected hearing impairment ; chest pain or heavy feeling, pain extending to the arm or shoulder, nausea, sweating, general sick feeling ; unsteady heartbeat ; swelling in your hands, ankles, or feet ; shortness of breath ; vision changes ; feeling light-headed, fainting ; or penis erection that's painful or lasts four hours or longer. Less major Viagra side-effects may include : warmth or redness in your face, neck, or chest ; stuffy nose ; headache ; memory issues ; upset stomach ; or back pain. More Mexican prescription pharmacy available at MexicanPharmacyNoPrescription.com