Taking VIAGRA (sildenafil citrate)

High-fat meals: Taking Viagra with a high-fat meal not only increases the time it takes for the drug to work but also decreases the concentration of Viagra in the bloodstream by 29%. Alcohol : As a depressant, alcohol slows blood circulation and the distribution of the drug throughout the body. Sildenafil may be used to treat erectile dysfunction (ED or impotence) in men (Viagra brand) or pulmonary arterial hypertension in both men and women (Revatio brand), depending on the brand. Sildenafil blocks the action of an enzyme known as cGMP-specific phosphodiesterase type-5 (PDE-5). buy usa viagra super force Sildenafil oral tablet is available as a brand-name drug and as a generic drug. Brand names: Viagra, Revatio. Sildenafil comes in three forms: an oral tablet, an oral suspension (liquid), and an Sildenafil citrate is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in water and a molecular weight of 666.7. VIAGRA is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg, and 100 mg of sildenafil for oral administration.

Considering taking the little blue pill for the first time? We got you covered: all you need to know on what to expect when using Viagra for the first time. If you re prescribed Viagra or generic Viagra, it s natural to have some questions. For instance, you may be curious if the brand and generic versions work the same way. Or what side effects you should be aware of. Knowing some basics about Viagra can help you get the most out of your prescription. 1. There are multiple generic Viagra viagra hard on In 2024, Pfizer, the maker of both Revatio and Viagra, sued Teva for patent infringement, or trying to introduce a generic version several years before Pfizer’s patent for Viagra was set to expire. 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 For Viagra, generic Viagra, and sildenafil are three options available: 25 mg, 50 mg, and 100 mg. The most common starting dose is 50 mg. This allows your prescribing doctor the opportunity to determine if your dose should be increased or decreased based on your results.