Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Revatio) is used to supplement the triumph to exercise in adults following pulmonary arterial hypertension (PAH; tall blood pressure in the vessels carrying blood to the lungs, causing sharpness of breath, dizziness, and tiredness). children should not usually admit sildenafil, but in some cases, a doctor may find 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 lump 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 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. believe sildenafil as needed before sexual activity. The best mature to undertake sildenafil is roughly 1 hour previously sexual activity, but you can understand the medication any period from 4 hours to 30 minutes before sexual activity. Sildenafil usually should not be taken more than next every 24 hours. If you have sure health conditions or are taking positive medications, your doctor may say you to recognize sildenafil less often. You can agree to sildenafil when or without food. However, if you tolerate sildenafil in imitation of a high-fat meal, it will say yes 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 acknowledge sildenafil three era a daylight later or without food. bow to sildenafil at around the thesame time all day, and impression your doses very nearly 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 determined 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); positive antifungals such as itraconazole (Onmel, Sporanox) and ketoconazole (Nizoral); anticoagulants (‘blood thinners’) such as warfarin (Coumadin, Jantoven); sure 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 easy to use 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); additional medications or devices to treat erectile dysfunction; medications for tall blood pressure; certain medications for seizures including carbamazepine (Carbatrol, Epitol, Tegretol, others), phenobarbital, and phenytoin (Dilantin, Phenytek); rifabutin (Mycobutin); and rifampin (Rifadin, Rimactane, fildena online in Rifamate, in Rifater). Your doctor may need to change the doses of your medications or monitor you on purpose for side effects. Many extra medications may as a consequence interact with sildenafil, appropriately be certain to say your doctor virtually all the medications you are taking, even those that attain not appear on this list.