The primary indication of sildenafil is treatment of erectile dysfunction (inability to sustain a satisfactory erection to complete intercourse). Its use is now one of the standard treatments for erectile dysfunction, including for men with diabetes mellitus. Rare but serious adverse effects found through postmarketing surveillance include prolonged erections, severe low blood pressure, myocardial infarction (heart attack), ventricular arrhythmias, stroke, increased intraocular pressure, and sudden hearing loss. Care should be exercised by people who are also taking protease inhibitors for the treatment of HIV infection. Protease inhibitors inhibit the metabolism of sildenafil, effectively multiplying the plasma levels of sildenafil, increasing the incidence and severity of side effects. Those using protease inhibitors are recommended to limit their use of sildenafil to no more than one 25 mg dose every 48 hours. blocker (typically prescribed for hypertension or for urologic conditions, such as benign prostatic hypertrophy) at the same time may lead to low blood pressure, but this effect does not occur if they are taken at least 4 hours apart. where can i order real viagra Common side effects of sildenafil include feeling dizzy or light-headed. These side effects can be made worse if you drink alcohol or take other certain medicines at the same time as the drug. Hot weather, taking exercise, or having a high temperature (fever) may also exacerbate these side effects while taking sildenafil. If you do experience these side effects, you must let your doctor know and stop taking the medication. It is advisable not to drive or undertake potentially dangerous tasks such as operating heavy machinery. The European Association of Urology report that the long term use of PDE5 inhibitors (which is a type of drug that sildenafil belongs to) is well tolerated and effective. However, you should let your doctor know if you take an ED medication and have regular check ups if you use it over a long period of time. Prednisone generic name Viagra add Sildenafil - Get up-to-date information on Sildenafil side effects, uses, dosage, overdose, pregnancy, alcohol and more. Sildenafil belongs to a group of drugs called PDE inhibitors. Sildenafil treats ED by increasing blood flow to the penis during sexual stimulation, which leads to an erection. where can i buy cheap viagra yahoo Most men notice the active effects of Viagra for approximately two to three hours. can make sildenafil less effective and increase the risk of side effects. health, adjust your dosage of Viagra or switch to an alternative ED treatment option. Side Effects. Dizziness, headache, flushing, or stomach upset may occur. Vision changes such as increased sensitivity to light, blurred vision, orOther medications can affect the removal of sildenafil from your body, which may affect how sildenafil works. Examples include azole antifungals such as. Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get and keep an erection. This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis). Consult your doctor or pharmacist for more details. Read the Patient Information Leaflet provided by your pharmacist before you start taking sildenafil and each time you get a refill. If you have any questions, ask your doctor or pharmacist. To treat erectile dysfunction-ED, take this drug by mouth as directed by your doctor, usually as needed. Take sildenafil at least 30 minutes, but no more than 4 hours, before sexual activity (1 hour before is the most effective). A high-fat meal may delay how quickly the drug begins to work. 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. 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Includes common and rare side effects information for consumers and healthcare professionals. Commonly reported side effects of sildenafil include dyspepsia, headache, visual disturbance, and flushing.