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The results were published in the journal BioMed Central Medicine. Phosphodiesterase-5 inhibitor (PDE5i) is the main ingredient in Viagra and other drugs commonly used to treat erectile dysfunction. The inhibitor blocks hceap enzyme PDE5, which prevents relaxation of smooth muscle tissue. The analysis shows that PDE5i prevented the calumba herbal viagra increasing in size and changing shape in patients suffering from left ventricular hypertrophy, a condition which causes thickening of the muscles in the left ventricle. It also improved heart performance in all patients with different heart conditions without dangerous side effects such as raising blood pressure. The study concludes that the inhibitor could be reasonably administered to men who cheap generic viagra free shipping from heart muscle thickening and early-stage heart failure, a condition where the heart fails to beat with sufficient force.

Tell your doctor about all your current medicines and any you start or stop using, especially: drugs to treat high blood pressure or a prostate disorder; an antibiotic - clarithromycin, erythromycin, or telithromycin; antifungal medicine - antidotul la viagra y or itraconazole; or. medicine to treat HIVAIDS - atazanavir, indinavir, ritonavir, or saquinavir. This list is not complete.

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Rarely, an eye problem called nonarteritic anterior ischemic optic neuropathy (NAION) has been reported in patients who took Viagra.

We comply with the HONcode standard for trustworthy health information - verify here. Viagra. Generic Name: sildenafil (oral) (sil DEN a fil) Brand Names: Revatio, Viagra. What is Viagra. Viagra (sildenafil) relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Viagra is used to treat erectile dysfunction (impotence) in men.

" Int J Clin Pract 52 (1998): 375-9. Gilad R, Lampl Y, Eshel Y, Sadeh M "Tonic-clonic seizures in patients taking sildenafil. " BMJ 325 (2002): 869.]