Is there a good side to drug side effects? – Harvard Health

What Is Viagra? Viagra (sildenafil) was the first erectile dysfunction pill the FDA approved, back in 2024. Like Cialis, it s a PDE5 inhibitor that increases blood flow to the penis. The difference is that the effects of Viagra don t last very long (only about four to six hours). Viagra is always taken before an anticipated sexual activity. Usual Adult Dose for Erectile Dysfunction. TABLETS (Viagra) Initial dose: 50 mg orally once a day, as needed, about 1 hour prior to sexual activity. Maintenance dose: May increase to 100 mg or decrease to 25 mg once a day, based on efficacy and tolerability. Maximum dose: 100 mg orally once a day. good effects of viagra Viagra (sildenafil) is a brand-name prescription drug that s used to treat erectile dysfunction (ED). Learn about side effects, warnings, dosage, and more. Viagra doses range from 25 to 100 milligrams (mg). A typical starting dose of Viagra or sildenafil dosage is 50 milligrams. Whether you use sildenafil or Viagra, take a 100-milligram sildenafil dose or a 20-milligram sildenafil dose, the effects of sildenafil wonтАЩt just give you an erection when you donтАЩt want one.

On average, Viagra lasts between 2 and 3 hours before its effects start to diminish. Viagra can last up to 5 hours or longer depending on your dosage, your body s metabolism, and other external Viagra (sildenafil) is a prescription drug that s used to treat erectile dysfunction (ED). The drug comes as an oral tablet. It s usually taken as needed about 1 hour before sexual activity. According to price-comparison website GoodRx.com, generic Revatio will cost you as little as $0.70 per pill, depending on where you fill your prescription. That’s You can also call ahead of your prescription fill to give your RxSaver coupon code to the pharmacist over the phone. Sildenafil: 20 mg / 30 tablets. Lowest online price at national pharmacy chains Costco, CVS, RiteAid, Walgreens and Walmart as viagra at walmart pharmacy For information on the dosage of Viagra, including its pill form, strengths, and how to take the drug, keep reading. For a comprehensive look at Viagra, see this article. This article describes Buy from an online pharmacy operating in the country and state you live in: In 2024, the National Association of Boards of Pharmacy found that 97% of the internet pharmacies it examined were not Sildenafil (Viagra) is taken by mouth to treat erectile dysfunction (ED).You take it only as needed, typically about an hour before sexual activity (but you can take it anywhere between 30 minutes to 4 hours before sex).

a light-headed feeling, like you might pass out. Common sildenafil side effects may include: flushing (warmth, redness, or tingly feeling); headache, dizziness; heartburn, nausea, or upset stomach. abnormal vision (blurred vision, changes in color vision) runny or stuffy nose, nosebleeds; sleep problems (insomnia); or.