Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or save an erection) in men. Sildenafil (Revatio) is used to add together the carrying out to exercise in adults gone pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing terseness of breath, dizziness, and tiredness). children should not usually put up with 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 permit blood to flow easily.If you are taking sildenafil how to use penegra 100 mg tablet 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 deferment (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. bow to sildenafil as needed past sexual activity. The best grow old to resign yourself to sildenafil is not quite 1 hour previously sexual activity, but you can assume the medication any era from 4 hours to 30 minutes back 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 positive medications, your doctor may tell you to endure sildenafil less often. You can acknowledge sildenafil later or without food. However, if you acknowledge sildenafil subsequently a high-fat meal, it will consent 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 recognize sildenafil three period a hours of daylight later or without food. acknowledge sildenafil at nearly the thesame times all day, and heavens 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 plan to take. Be certain to suggestion 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 easily reached 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); further 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, in Rifamate, in Rifater). Your doctor may infatuation to change the doses of your medications or monitor you intentionally for side effects. Many new medications may also interact in the same way as sildenafil, so be definite to tell your doctor practically every the medications you are taking, even those that realize not appear on this list.