Error: This is required. Error: Not a valid value. Sildenafil is a medicine used to treat erectile dysfunction ED, also called impotence. It is sometimes known by its generic name sildenafil , and sometimes known by its trade name Viagra. Other brands of the same medicine are also available. Sildenafil works by helping the blood vessels in the penis to relax. This allows more blood to flow in and cause an erection.
If you have ED, this can make it easier to get an erection. You can get an erection for up to 4 hours after taking sildenafil β meaning the ability to have an erection may last this long, but the actual erections will only last for a normal period of time. You should not take any more than one sildenafil tablet in 24 hours. Do not take sildenafil if you are taking other medicines for ED. If you have an erection that lasts for more than 4 hours, you should go to the nearest hospital emergency department.
Prolonged erections can be dangerous. It can also interact with many other medicines, particularly nitrates used in heart disease , amyl nitrite and blood pressure medicines. People who use nitrates in any form or are being treated for pulmonary hypertension should not take sildenafil.
You need a prescription from a doctor to obtain sildenafil. You can buy it from a store-based pharmacy or reputable online pharmacy with a prescription. Some people buy sildenafil online without a prescription. Counterfeit medicines can be very dangerous. Viagra is not for use by females. This medicine has been approved in the United States to treat premenopausal females who have low sexual desire.
Flibanserin is not approved in Australia. This medicine can interact with other medicines and supplements, causing potentially serious side effects. It is not recommended for use in Australia. There are many other treatments for erectile dysfunction.
