What does Viagra do for ED? Viagra works to treat ED by helping you have and maintain an erection. The drug does this by improving blood flow into your penis when .Your partner can help you remember something that you missed or forgot during the appointment. Request an appointment There is a problem with information submitted for this request. As we mentioned, women given Viagra during clinical trials reported some of the same mild side effects as men. Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day. Its effects often last for 4 to 5 hours.Potential benefits. We know that in men, Viagra dilates blood vessels and increases the flow of blood to the penis. Women who take it might also have increased blood flow to the genitals. That may. Sildenafil is a medication used in the management and treatment of erectile dysfunction and pulmonary arterial hypertension. It is in the phosphodiesterase-5 inhibitor (PDE5-I) class of medications. This activity describes the indications, actions, adverse effects, and contraindications of sildenafil as an agent in the clinical setting. Knowledge . Sildenafil is a medicine used to treat erection problems (erectile dysfunction). Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs). If you have erection problems sildenafil works by temporarily increasing blood flow to your penis when you get sexually excited.If your dose is different, do not change it unless your doctor tells you to do so. Here’s some information to help you get ready and know what to expect from your doctor. What effect does Viagra have on women? Never take an extra dose to make up for a forgotten one. Here’s what happens: When a man is aroused, his body releases nitric oxide into the erectile tissue of his penis, which stimulates an enzyme that produces cyclic guanosine monophosphate cGMP.

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