Viagra (sildenafil) is a brand-name prescription drug that’s used to treat erectile dysfunction (ED). Learn about side effects, warnings, dosage, and more. Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4][8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9] It is unclear if it is effective for treating sexual dysfunction in females. [8] It can be taken orally (swallowed by mouth. Sildenafil comes as a tablet and suspension (liquid) to take by mouth. If you are taking sildenafil to treat erectile dysfunction, follow your doctor's directions and the guidelines in this paragraph. Take sildenafil as needed before sexual activity. The best time to take sildenafil is about 1 hour before sexual activity, but you can take the medication any time from 4 hours to 30 minutes. Viagra (sildenafil) is used to treat erectile dysfunction or impotence in men. Includes Viagra side effects, interactions and indications. Kamagra is a medication primarily used to treat erectile dysfunction (ED), a common condition where you struggle to get and/or keep an erection hard enough for sex. Kamagra contains sildenafil, the same active ingredient found in Viagra and it is available in several forms, including tablets and oral jelly. Despite its widespread use, Kamagra is unlicensed in many countries, including the UK. Sildenafil is used to treat erectile dysfunction in adult men or pulmonary arterial hypertension in adults and children, depending on the brand or formulation. Includes sildenafil side effects, interactions, and indications. Safe and Verified Purchase To avoid counterfeit products and ensure safety, kamagra should only be obtained from trusted providers. Kamagra Slovenija offers verified products, discreet delivery and bulk purchase options. For users who prefer alternatives to tablets, they also offer kamagra gel, a liquid form containing the same active ingredient. Kamagra is a medication commonly used to treat erectile dysfunction and high blood pressure. It contains the active ingredient sildenadil citrate, similar to other medications such as Viagra and Cialis. Sildenafil (Viagra) Sildenafil is a medicine mainly used to treat erection problems. You can buy it from a pharmacy for erection problems after speaking with a pharmacist, but it's mostly available with a prescription. Kamagra vs Viagra explained by a urologist: learn why ED is a medical condition, how sildenafil works, and why FDA-approved Viagra is safer.