Viagra is a prescription medicine used in the treatment of erectile dysfunction and impotence in men. Viagra Connect is also used to treat erectile dysfunction and is available without the need of a prescription. They both work by increasing blood flow to the penis in order to help a man get and sustain an erection when he is sexually aroused or stimulated. The active ingredient in Viagra is sildenafil and the dose ranges from 25mg to 100mg per tablet. The effects of Viagra will vary from person to person. As a general rule, Viagra is thought to start working in most people from around 30 minutes after taking the drug. It is important to understand that taking Viagra tablets alone will not cause an erection. Sildenafil Citrate is an amazing therapeutic agent that is used mainly to treat male impotency or erectile dysfunction (ED). It is the first recognized medicinal drug that came into existence in the year 1998. It was actually invented for the treatment of pulmonary hypertension, but accidentally scientists discovered that it helped men achieve stiffer and durable erection. The Food and Drug Administration (FDA) approved Sildenafil Citrate as an effective drug for ED. Viagra is the branded version of Sildenafil Citrate. However, since the patent of branded version is over, this drug is now available in various generic forms. It is available in pill, soft pill, oral jelly and effervescent powder forms.
Sildenafil, the active ingredient in Viagra, helps men achieve and maintain an erection satisfactory for sexual activity. It blocks the chemicals that drain blood from the penis when a man has, or is trying to have, an erection. To understand how Sildenafil treats erectile dysfunction (ED) requires understanding how someone gets an erection. It starts when a man is stimulated by an erotic thought or sexual contact. That leads to a series of chemical reactions in the blood vessels of the penis that results in 6 times the blood flow getting to the penis. An erection might last indefinitely if it weren’t for chemicals in the body called phosphodiesterases. They work at reversing the process that is keeping the penis erect. Usually there is a balance between the chemicals as they pull in opposite directions. Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get and keep an erection. This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis). Consult your doctor or pharmacist for more details. Read the Patient Information Leaflet provided by your pharmacist before you start taking sildenafil and each time you get a refill. If you have any questions, ask your doctor or pharmacist. To treat erectile dysfunction-ED, take this drug by mouth as directed by your doctor, usually as needed. Take sildenafil at least 30 minutes, but no more than 4 hours, before sexual activity (1 hour before is the most effective). A high-fat meal may delay how quickly the drug begins to work.
Oct 26, 2017. Sildenafil, the active ingredient in Viagra, helps men achieve and maintain an erection satisfactory for sexual activity. It blocks the chemicals that drain blood from the penis when a man has, or is trying to have, an erection. To understand how Sildenafil treats erectile dysfunction ED requires understanding. Nov 30, 2017. Viagra Sildenafil is used for treating erectile dysfunction ED. It works by increasing blood flow to the penis during sexual activity, resulting in an erection.