Viagra

Viagra (sildenafil citrate) is an anti-impotence drug specially designed for the treatment of erectile dysfunction, better known as male impotence. It’s best to take this medicine 30-45 minutes before having sex. Viagra provider for up to 4 hours of efficiency once taken, but you are likely to get strongest effects if you have sex after one hour. Mild side effect are common but very short-lived and will most likely to pass as you carry on with the treatment. The following mild side effects are sometimes reported: diarrhea, nasal congestion, color vision problems, nausea, facial flushing, headaches, and stomach pain. If you get any of the following serious side effects – contact your doctor and ask for professional advice: ringing in ears, shortness of breath, fainting, rash, itching or burning during urination, priapism, lightheadedness, dizziness, chest pain, blurred vision, sudden severe loss of vision, and loss of hearing. To prevent serious side effects make sure you tell your doctor about any medical conditions you have, especially very high or low blood pressure, bleeding disorders, kidney disease, recent heart attack, sickle cell anemia, liver disease, coronary artery disease, active stomach ulcers, recent stroke, eye problems, heart failure, or blood system cancers.