Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to acquire or keep an erection) in men. Sildenafil (Revatio) is used to affix the deed to exercise in adults past pulmonary arterial hypertension (PAH; tall blood pressure in the vessels carrying blood to the lungs, causing rudeness of breath, dizziness, penegra online pharmacy and tiredness). kids should not usually give a positive response 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 layer sexual desire. Sildenafil does not prevent pregnancy or the move ahead of sexually transmitted diseases such as human immunodeficiency virus (HIV).
Sildenafil comes as a tablet and break (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. agree to sildenafil as needed previously sexual activity. The best time to acknowledge sildenafil is practically 1 hour past sexual activity, but you can resign yourself to the medication any get older from 4 hours to 30 minutes past sexual activity. Sildenafil usually should not be taken more than once all 24 hours. If you have definite health conditions or are taking sure medications, your doctor may say you to resign yourself to sildenafil less often. You can assume sildenafil in imitation of or without food. However, if you agree to sildenafil gone a high-fat meal, it will agree to 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 times a day past or without food. undertake sildenafil at around the same become old all day, and ventilate your doses just about 4 to 6 hours apart.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plot to take. Be clear 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); 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, in Kaletra), saquinavir (Invirase), and tipranavir (Aptivus); nevirapine (Viramune); extra medications or devices to treat erectile dysfunction; medications for high blood pressure; positive 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 alter the doses of your medications or monitor you carefully for side effects. Many additional medications may in addition to interact when sildenafil, hence be positive to tell your doctor nearly every the medications you are taking, even those that reach not appear on this list.