Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to acquire or save an erection) in men. Sildenafil (Revatio) is used to increase the completion to exercise in adults gone 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 consent 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 growth sexual desire. Sildenafil does not prevent pregnancy or the fee of sexually transmitted diseases such as human immunodeficiency virus (HIV).
Sildenafil comes as a penegra 100 mg tablet and delay (liquid; Revatio only) to put up with by mouth.If you are taking sildenafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph. assume sildenafil as needed before sexual activity. The best grow old to take sildenafil is about 1 hour before sexual activity, but you can take the medication any become old from 4 hours to 30 minutes in the past sexual activity. Sildenafil usually should not be taken more than bearing in mind all 24 hours. If you have sure health conditions or are taking sure medications, your doctor may tell you to resign yourself to sildenafil less often. You can acknowledge sildenafil as soon as or without food. However, if you endure sildenafil afterward a high-fat meal, it will admit 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 become old a day bearing in mind or without food. bow to sildenafil at around the similar grow old every day, and expose your doses more or less 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 definite to mention 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); certain 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 manageable 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 tall blood pressure; clear 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 compulsion to tweak the doses of your medications or monitor you intentionally for side effects. Many other medications may as a consequence interact afterward sildenafil, consequently be clear to tell your doctor just about all the medications you are taking, even those that reach not appear on this list.