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    How sildenafil works


    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). diflucan interactions with other medications 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.

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    NHS medicines information on sildenafil - what it's used for, side effects, dosage. It usually takes 30 to 60 minutes for sildenafil to work for erectile dysfunction. cialis costco Sildenafil belongs to a group of medicines called phosphodiesterase 5 PDE5 inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of the areas where this enzyme works. See risks and benefits of VIAGRA® sildenafil citrate. VIAGRA works for men with erectile dysfunction ED by increasing blood flow to the penis so you can.

    Viagra, Cialis, Levitra, and generic sildenafil are all part of a family of drugs called PDE-5 inhibitors. These drugs are used to treat erectile dysfunction (ED). Erectile dysfunction medication works by preventing the chemical process that lets blood leave an erect penis. Basically, PDE-5 inhibitors tip the chemical balance in the penis to favor getting and maintaining an erection. The biggest difference between Viagra and generic sildenafil is the amount of active ingredient in each pill. The other main difference is that generic sildenafil is FDA approved to treat Pulmonary Hypertension (that’s high blood pressure between the heart and lungs) while Viagra is FDA approved to treat erectile dysfunction. It’s a little confusing since both medications use the same active ingredient, but Viagra and sildenafil work in the same way. 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.

    How sildenafil works

    How Viagra Works - Superdrug Online Doctor, Sildenafil By mouth - National Library of Medicine - PubMed.

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    Apr 13, 2018. How does sildenafil work? PDE5 is a substance produced in the lungs and other parts of the body that breaks down another substance called. nolvadex pre contest Feb 14, 2018. During sex, your heart works harder. Therefore sexual activity may not. Sildenafil/Viagra just does not work that way. We strongly recommend. Sildenafil Works for Women with Sexual Arousal Problems DE Judge reviewing Caruso S et al. BJOG 2001 Jun Sildenafil is a standard treatment for male erectile dysfunction, but its application in female sexual dysfunction remains uncertain.

     
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    Dr Wheate in the past has received funding from the ACT Cancer Council, Tenovus Scotland, Medical Research Scotland, Scottish Crucible and the Scottish Universities Life Sciences Alliance for research into platinum drugs. Dr Wheate is a named inventor on two international patents dealing with the drug delivery of anticancer drugs. Viagra is one brand name of a drug that is used to treat erectile dysfunction (impotence): the inability to get, and maintain, an erection. It is also used in the treatment of high blood pressure specific to the heart and the arteries that feed the lungs. The generic name of the drug is sildenafil (pronounced sill-den-a-fill). Like many great scientific discoveries, the benefits of Viagra in treating erectile dysfunction were discovered by accident. The pharmaceutical company Pfizer initially developed the drug in 1989 as a treatment for high blood pressure and angina. Viagra Price Per Pill Canadian Official Drugstore xenical pdf Cialis vs. Levitra vs. Viagra How Each Stacks Up Viagra Coupons & Prices - SingleCare
     
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