Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to acquire or keep an erection) in men. Sildenafil (Revatio) is used to augment the carrying out to exercise in adults considering pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing rudeness of breath, dizziness, and tiredness). kids should not usually tolerate 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 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 accumulation sexual desire. Sildenafil does not prevent pregnancy or the move on of sexually transmitted diseases such as human immunodeficiency virus (HIV).
Sildenafil comes as a tablet and closure (liquid; Revatio only) to allow by mouth.If you are taking sildenafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph. take sildenafil as needed back sexual activity. The best mature to bow to sildenafil is not quite 1 hour past sexual activity, but you can take the medication any epoch from 4 hours to 30 minutes since sexual activity. Sildenafil usually should not be taken more than when every 24 hours. If you have certain health conditions or are taking sure medications, your doctor may tell you to believe sildenafil less often. You can allow sildenafil later than or without food. However, if you allow sildenafil past a high-fat meal, it will give a positive response longer for the medication to begin to work.If you are taking sildenafil to treat PAH, follow your doctor’s directions and the guidelines in this paragraph. You will probably believe sildenafil three times a morning later or without food. take sildenafil at approaching the same become old all day, and make public your doses practically 4 to 6 hours apart.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking orplan to take. Be definite to insinuation 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); determined 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); other medications or devices to treat erectile dysfunction; medications for tall blood pressure; definite medications for seizures including carbamazepine (Carbatrol, Epitol, Tegretol, others), phenobarbital, and phenytoin (Dilantin, Phenytek); rifabutin (Mycobutin); and rifampin (Rifadin, Rimactane, in Rifamate, in Rifater). Your doctor may need to correct the doses of your medications or monitor you purposefully for side effects. Many other medications may in addition to interact similar to sildenafil, fittingly be positive to tell your doctor practically every the medications you are taking, even those that reach not appear on this list.