Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to acquire or save an erection) in men. Sildenafil (Revatio) is used to tally up the feat to exercise in adults in the same way as pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). kids should not usually say yes sildenafil, but in some cases, a doctor may declare 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. This increased blood flow can cause an erection. Sildenafil treats PAH by relaxing the blood vessels in the lungs to permit blood to flow easily.If you are taking sildenafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or lump sexual desire. Sildenafil does not prevent pregnancy or the expansion of sexually transmitted diseases such as human immunodeficiency virus (HIV).
Sildenafil comes as a tablet and deferment (liquid; Revatio only) to believe by mouth.If you are taking sildenafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph. endure sildenafil as needed before sexual activity. The best mature to undertake sildenafil is just about 1 hour since sexual activity, but you can undertake the medication any epoch from 4 hours to 30 minutes before sexual activity. Sildenafil usually should not be taken more than bearing in mind all 24 hours. If you have certain health conditions or are taking certain medications, your doctor may say you to give a positive response sildenafil less often. You can consent sildenafil taking into account or without food. However, if you give a positive response sildenafil as soon as a high-fat meal, it will say you will longer for the medication to start to work.If you are taking sildenafil to treat PAH, follow your doctor’s directions and the guidelines in this paragraph. You will probably say you will sildenafil three get older a hours of daylight taking into account or without food. endure sildenafil at with reference to the same epoch all day, and look your doses virtually 4 to 6 hours apart.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plot to take. Be clear to citation any of the following: alpha blockers such as alfuzosin (Uroxatral), doxazosin (Cardura), prazosin (Minipress), tamsulosin (Flomax, in Jalyn), and terazosin; amlodipine (Norvasc, in Amturnide, in Tekamlo); definite antifungals such as itraconazole (Onmel, Sporanox) and ketoconazole (Nizoral); anticoagulants (‘blood thinners’) such as warfarin (Coumadin, Jantoven); distinct barbiturates such as butalbital (in Butapap, in Fioricet, in Fiorinal, others) and secobarbital (Seconal); beta blockers such as atenolol (Tenormin, in Tenoretic), labetalol (Trandate), metoprolol (Lopressor, Toprol XL, in Dutoprol), nadolol (Corgard, in Corzide), and propranolol (Hemangeol, Inderal LA, InnoPran); bosentan (Tracleer); cimetidine ; efavirenz (Sustiva, in Atripla); erythromycin (E.E.S., E-Mycin, Erythrocin); HIV protease inhibitors including amprenavir (Agenerase; no longer to hand in the U.S.), atazanavir (Reyataz, in Evotaz), darunavir (Prezista, in Prezcobix), fosamprenavir (Lexiva), indinavir (Crixivan), lopinavir (in Kaletra), nelfinavir (Viracept), ritonavir (Norvir, in Kaletra), saquinavir (Invirase), and tipranavir (Aptivus); nevirapine (Viramune); supplementary medications or devices to treat erectile dysfunction; medications for high blood pressure; positive medications for seizures including carbamazepine (Carbatrol, Epitol, Tegretol, others), super p-force tablets phenobarbital, and phenytoin (Dilantin, Phenytek); rifabutin (Mycobutin); and rifampin (Rifadin, Rimactane, in Rifamate, in Rifater). Your doctor may infatuation to tweak the doses of your medications or monitor you intentionally for side effects. Many extra medications may furthermore interact like sildenafil, suitably be distinct to tell your doctor more or less every the medications you are taking, even those that pull off not appear on this list.