How Long Does It Take for Viagra to Start Working? – GoodRx

Warnings. Some medicines can cause unwanted or dangerous effects when used with Viagra. Tell your doctor about all your current medicines, especially riociguat (Adempas) and nitrates. can increase the effect of Viagra as well as the risk of side effects from this drug: other drugs for erectile dysfunction (ED) tadalafil vardenafil (Levitra) What are the side effects of Viagra (Sildenafil (Injection))? Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips Here are some fast facts about Viagra: Active ingredient: sildenafil Drug class: phosphodiesterase-5 inhibitor Drug form: oral tablet As with other drugs, Viagra can cause side effects. Read on to negative effects viagra Viagra relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Viagra is used to treat erectile dysfunction(impotence) in men. Another brand o Viagra can help men with erectile dysfunction (ED) get and maintain an erection, but there are side effects. Learn more about Viagra s effects on the body. Most online services for Viagra offer doses from 20 to 100 mg. Taking higher doses of Viagra won t always mean that it works better, and taking too high a dose can cause unwanted side effects.

Keep reading to learn about the common, mild, and serious side effects that Viagra can cause. For a general overview of the drug, including details about its uses, see this article. In this

Viagra can improve erections for up to 4 to 6 hours after it s taken. Levels of Viagra are highest in your body 30 to 120 minutes after you take a dose; Viagra lasts a maximum of 12 hours, but it won t last this long for everyone Exactly how long Viagra lasts can depend on a number of factors, including weight, medical conditions, and more. Depending on these factors, a person might experience the effects of Viagra for three to five hours, which means that you may be able to get an erection during that time with sexual stimulation. how long viagra last If you take sildenafil for pulmonary arterial hypertension, do not take Viagra or other PDE5 inhibitors, including tadalafil (Cialis ) or vardenafil (Levitra ). Viagra also contains sildenafil. If you take too much sildenafil or take it together with these medicines, the chance for side effects will be higher. Medicines like tadalafil last up to 36 hours, while vardenafil and sildenafil wear off after about four. This is the exact time you should take your sildenafil before sex to treat erectile dysfunction according to urologist Amy Pearlman, M.D. and how long you can expect it to last. Like other drugs used for erectile dysfunction (ED), Viagra may cause priapism (long lasting and sometimes painful erection). But this was a rare side effect in studies of the drug. Priapism is a