Sildenafil drugs

Discussion in 'Board Of Pharmacy' started by 4irka, 29-Aug-2019.

  1. ioio Well-Known Member

    Sildenafil drugs


    Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Revatio) is used to improve the ability to exercise in adults with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). Children should not usually take sildenafil, but in some cases, a doctor may decide that sildenafil (Revatio) is the best medication to treat a child's condition. Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily. If you are taking sildenafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire. Sildenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus (HIV). Sildenafil ist ein Arzneistoff aus der Gruppe der PDE-5-Hemmer, einer Gruppe gefäßerweiternder (vasodilatierender) Substanzen. Große Bekanntheit erlangte er als Wirkstoff des 1998 von dem US-amerikanischen Unternehmen Pfizer unter dem Namen Viagra auf den Markt gebrachten Arzneimittels zur Behandlung der erektilen Dysfunktion (Erektionsstörung) beim Mann. Diese Wirkung wurde zufällig im Rahmen der Entwicklung von Sildenafil als Mittel zur Behandlung von Bluthochdruck und Angina pectoris entdeckt. Außer als Potenzmittel ist Sildenafil seit 2006 ferner zur Behandlung der idiopathischen pulmonal-arteriellen Hypertonie und der pulmonalen Hypertonie in Verbindung mit einer Bindegewebskrankheit zugelassen (Markenname Revatio). Sildenafil war der erste Arzneistoff der Wirkstoffklasse der PDE-5-Hemmer. Umgangssprachlich wird der Name Viagra gelegentlich auch als Sammelbegriff für andere Medikamente dieser Wirkstoffgruppe, beispielsweise Tadalafil (Cialis), Vardenafil (Levitra) oder Avanafil (Spedra) verwendet. In Deutschland, Österreich und der Schweiz sind sildenafilhaltige Arzneimittel verschreibungspflichtig.

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    Cialis is the brand name of tadalafil, a prescription drug for men used to treat erectile dysfunction ED. Tadalafil is also prescribed under the name Adcirca for treatment of pulmonary arterial. Sildenafil can dramatically enhance the quality of an erection by increasing blood flow to the penis. Its effect lasts for 4-6 hours. Sildenafil is widely known to treat PAH pulmonary arterial hypertension. Do not take sildenafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide.

    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 is a vasoactive agent used to treat erectile dysfunction and reduce symptoms in patients with pulmonary arterial hypertension (PAH). Sildenafil elevates levels of the second messenger, c GMP, by inhibiting its breakdown via phosphodiesterase type 5 (PDE5). PDE5 is found in particularly high concentrations in the corpus cavernosum, erectile tissue of the penis. It is also found in the retina and vascular endothelium. Increased c GMP results in vasodilation which facilitates generation and maintenance of an erection. The vasodilatory effects of sildenafil also help reduce symptoms of PAH.

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  5. Viagra is the brand name of the prescription medicine sildenafil citrate. It's used to treat erectile dysfunction ED in men. ED means you can't.

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    Sildenafil, sold as the brand name Viagra among others, is a medication used to treat erectile. Other drugs that interfere with the metabolism of sildenafil include erythromycin and cimetidine, both of which can also lead to prolonged plasma. Sildenafil is a vasoactive agent used to treat erectile dysfunction and reduce symptoms in patients with pulmonary arterial hypertension PAH. Sildenafil. If you’re looking for a less costly Viagra, you might want to ask your doctor about sildenafil. It's the active ingredient in both branded Viagra and the drug Revatio, which is a lower dose than.

     
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    Is It Okay to Use Viagra With Heart Disease? - Verywell Health Dec 4, 2018. Learn how Viagra sildenafil can be used safely in most patients with. Further, sildenafil does not increase the risk of exercise in patients with.

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