Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Revatio) is used to enlarge the execution to exercise in adults taking into consideration pulmonary arterial hypertension (PAH; tall blood pressure in the vessels carrying blood to the lungs, causing brusqueness of breath, dizziness, and tiredness). kids should not usually say yes sildenafil, but in some cases, a doctor may consider 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 accrual sexual desire. Sildenafil does not prevent pregnancy or the progress of sexually transmitted diseases such as human immunodeficiency virus (HIV).
Sildenafil comes as a tablet and closure (liquid; Revatio only) to take 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 get older to undertake sildenafil is practically 1 hour past sexual activity, but you can endure the medication any get older from 4 hours to 30 minutes previously sexual activity. Sildenafil usually should not be taken more than afterward every 24 hours. If you have sure health conditions or are taking definite medications, your doctor may tell you to assume sildenafil less often. You can put up with sildenafil gone or without food. However, if you believe sildenafil behind a high-fat meal, it will take 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 admit sildenafil three times a hours of daylight next or without food. take sildenafil at just about the thesame time every day, and tone your doses not quite 4 to 6 hours apart.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Be clear to quotation 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); positive antifungals such as itraconazole (Onmel, Sporanox) and ketoconazole (Nizoral); anticoagulants (‘blood thinners’) such as warfarin (Coumadin, Jantoven); clear barbiturates such as butalbital (in Butapap, super p-force 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 user-friendly 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); new medications or devices to treat erectile dysfunction; medications for high blood pressure; determined 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 alter the doses of your medications or monitor you on purpose for side effects. Many extra medications may as a consequence interact when sildenafil, suitably be definite to say your doctor very nearly all the medications you are taking, even those that get not appear on this list.