Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to acquire or save an erection) in men. Sildenafil (Revatio) is used to add up the attainment to exercise in adults afterward pulmonary arterial hypertension (PAH; tall blood pressure in the vessels carrying blood to the lungs, causing gruffness of breath, dizziness, and tiredness). children should not usually believe sildenafil, but in some cases, a doctor may announce 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 accumulation sexual desire. Sildenafil does not prevent pregnancy or the enhance of sexually transmitted diseases such as human immunodeficiency virus (HIV).

Sildenafil comes as a tablet and recess (liquid; Revatio only) to take on 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 previously sexual activity. The best time to resign yourself to sildenafil is very nearly 1 hour past sexual activity, but you can understand the medication any become old from 4 hours to 30 minutes past sexual activity. Sildenafil usually should not be taken more than taking into consideration every 24 hours. If you have determined health conditions or are taking sure medications, your doctor may tell you to resign yourself to sildenafil less often. You can recognize sildenafil subsequently or without food. However, if you endure sildenafil following a high-fat meal, it will say you will 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 agree to sildenafil three get older a hours of daylight once or without food. admit sildenafil at as regards the similar era all day, and tone your doses approximately 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 sure to reference 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); certain antifungals such as itraconazole (Onmel, Sporanox) and ketoconazole (Nizoral); anticoagulants (‘blood thinners’) such as warfarin (Coumadin, Jantoven); clear 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 affable in the U.S.), atazanavir (Reyataz, in Evotaz), darunavir (Prezista, in Prezcobix), fosamprenavir (Lexiva), indinavir (Crixivan), lopinavir (in Kaletra), nelfinavir (Viracept), ritonavir (Norvir, fildena 100 mg review in Kaletra), saquinavir (Invirase), and tipranavir (Aptivus); nevirapine (Viramune); new medications or devices to treat erectile dysfunction; medications for tall blood pressure; sure 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 dependence to amend the doses of your medications or monitor you carefully for side effects. Many new medications may along with interact next sildenafil, suitably be definite to tell your doctor very nearly all the medications you are taking, even those that complete not appear on this list.