Sildenafil is a medicine used to treat erectile dysfunction. It increases blood flow to the penis to help men get an erection. At least two-thirds of men have improved erections after taking it. Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs). This medicine is available on prescription and can also be bought from most pharmacies. It comes as tablets that you swallow, chewable tablets, and as a liquid that you drink. Sildenafil for erectile dysfunction (Viagra) can be taken by men aged 18 and over. Sildenafil for pulmonary hypertension (Revatio) can be taken by adults and children aged 1 and over. Do not take sildenafil if you: You can get sildenafil on the NHS if you have erectile dysfunction or pulmonary hypertension. The length of time Viagra lasts for will vary from person to person, but it can work for up to 5 hours at a time. This doesn’t mean you will have an erection for 5 hours, it means you will be able to get them easier during this time. Most men will find, that the effects of the pill will start to wear off 2 to 3 hours after first taking it. There are some things that will affect how long Viagra will last for in your case. These are listed in the “What will affect how long Viagra lasts for? To make sure Viagra lasts as long as it’s supposed to, you should always give correct information about your current and past health, and details of any medications you are currently taking when starting a course of treatment with Viagra. One study showed that an hour after taking Viagra for erectile dysfunction, men were able to get erections that lasted 33 mins on average. This dropped to 23 mins if they’d taken it 8 hours beforehand and 16 mins if they took it 12 hours beforehand. Fluconazole drug What is prednisone used for See risks and benefits of VIAGRA® sildenafil citrate. Talk to your doctor about. VIAGRA 50 mg and 100 mg are also available in single packs. Learn more. Sep 18, 2017. Most men start by taking one sildenafil 50 mg tablet. Depending on how you respond to this, your doctor may then adjust your dose down to. Sildenafil Sandoz Tablets is a brand of medicine containing the active. This can be one 25mg tablet a day or one 50mg tablet a day or one 100mg tablet a day. Read this leaflet carefully before taking your medicine. This leaflet answers some common questions about sildenafil. It does not take the place of talking to your doctor or pharmacist. The information in this leaflet was last updated on the date listed on the last page. It is used to treat erectile dysfunction, more commonly known as impotence, in men. More recent information on this medicine may be available. This is when a man cannot get, or keep, a hard erect penis suitable for sexual activity. Ask your doctor or pharmacist: You can also download the most up-to-date leaflet from Your doctor has weighed the risks of you using this medicine against the benefits they expect it will have for you. Ask your doctor if you have any questions about why this medicine has been prescribed for you. Pharmaceutical companies cannot give you medical advice or an individual diagnosis. Your doctor may have prescribed this medicine for another reason. This medicine is available only with a doctor's prescription. Sildenafil relaxes muscles of the blood vessels and increases blood flow to particular areas of the body. Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women. Do not take sildenafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as "poppers". Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure. Some medicines can cause unwanted or dangerous effects when used with sildenafil. Tell your doctor about all your current medicines, especially riociguat (Adempas). Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis. Sildenafil 50mg tablets SILDENAFIL-1A Pharma 50 mg Tabletten - Stiftung Warentest, How to take sildenafil citrate Viagra - NetDoctor Metformin is used to treat Sildenafil tablets for erectile dysfunction come in different strengths ranging from 25mg. The usual dose is 50mg, when you need it no more than once a day. Sildenafil Viagra medicine for erection problems - NHS. Sildenafil Sandoz Tablets - NPS MedicineWise. Sildenafil Pfizer® 25 mg/50 mg/100 mg Filmtabletten. INTRODUCTION Sildenafil citrate 50 mg is the recommended starting dose for. Patient Satisfaction; Phosphodiesterase Inhibitors/administration & dosage. Sildenafil gehört zur Wirkstoffgruppe der Phosphodiesterase- 5-Hemmer, kurz PDE-5-Hemmer, und wird zur. Sildenafil - 1 A Pharma® 50 mg Tabletten. APO-Sildenafil Tablets is a brand of medicine containing the active. This can be one 25 mg tablet a day or one 50 mg tablet a day or one 100 mg tablet a day.