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. 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. Amoxil vs amoxicillin Amoxicillin late period This reduces the pressure in the arteries and allows blood to flow more easily through them. In turn, this increases the supply of blood to your lungs and improves your ability to do physical activities. Sildenafil will be prescribed for you by a doctor who is a specialist. Sildenafil can cause a serious drop in your blood pressure when used with nitrates. A serious drop in blood pressure can lead to dizziness, fainting, and rarely heart attack or stroke. 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. Even if your high blood pressure (or hypertension) has caused erectile dysfunction (ED), you have every reason to be optimistic about the future and a healthy sex life. No one of them has been proven to work better than the others. ED is a common problem associated with high blood pressure, but there are many proven treatments you can try. But the time they take to start working and the duration of their effects vary. A doctor's firstchoice for treating erection problems is usually one of the pills called PDE5 inhibitors. That's something you may want to consider based on your sexual habits. They make it physically possible to get an erection when you are aroused. For example, does spontaneity matter to you, or do you usually plan sex ahead of time? Viagra starts working in about 15 to 30 minutes and its effects last about two to four hours. Levitra starts working in about 30 to 60 minutes and lasts four to five hours If erectile dysfunction pills are out of the question, or if pills haven't worked for you, don't worry. Alprostadil is another drug for erectile dysfunction. One brand, called MUSE, is an alprostadil pellet that you insert into the tip of your penis with an applicator. 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. Sildenafil and blood pressure Treating Erectile Dysfunction When You Have High Blood Pressure, Sildenafil Tablet - WebMD Doxycycline and pregnancy Information about taking viagra with medicines for blood pressure, information about getting a supply of sildenafil or viagra from the doctor. Viagra with blood pressure medication - NetDoctor. Sildenafil MedlinePlus Drug Information. Sildenafil - Pulmonary Hypertension Association. Apr 24, 2006. The purpose of the study is to investigate if regular treatment with sildenafil reduces blood pressure and improves blood vessel function in. Though its usually safe to take erectile dysfunction drugs Viagra, Levitra, Cialis with high blood pressure medication, don't take them with nitrates -- this can. The purpose of the study is to investigate if regular treatment with sildenafil reduces blood pressure and improves blood vessel function in patients with hypertension high blood pressure. Inhibitors of phosphodiesterase type 5 PDE5, such as sildenafil, relax blood vessels. In the penis this.