If these effects are mild, they may go away within a few days or a couple of weeks. If they’re more severe or don’t go away, talk to your doctor or pharmacist. Call your doctor right away if you have serious side effects. Call 911 if your symptoms feel life-threatening or if you think you’re having a medical emergency. Serious side effects and their symptoms can include the following: Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this information includes all possible side effects. This information is not a substitute for medical advice. buy prednisolone tablets 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. 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Includes indications, proper use, special instructions, precautions, and possible side effects. valtrex valacyclovir Sildenafil merknaam Viagra is een medicijn dat onder andere de erectie bij mannen stimuleert. Het is ontwikkeld door de fabrikant Pfizer. Oorspronkelijk werd. Order Cheap Generic Sildenafil With Fast Ordering Process Online And Without Prescription, Best Prices For Excellent Quality, Shop With Confidence 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). 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. 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