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Author: Admin | 2025-04-28
Sildenafil is a medication primarily used to treat erectile dysfunction and pulmonary arterial hypertension. It works by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which regulates blood flow in the penis. By blocking PDE5, sildenafil increases blood flow to the penis during sexual stimulation, resulting in improved erectile function. For pulmonary arterial hypertension, sildenafil relaxes the blood vessels in the lungs, allowing blood to flow more easily, thus reducing the workload on the heart.Sildenafil (Revatio, Viagra) is a class of drugs called phosphodiesterase inhibitors. It causes vasodilation of the pulmonary vessels and penis. Thus, it is used in the treatment of erectile dysfunction in males and pulmonary hypertension in males and females. The efficacy of sildenafil in women with sexual dysfunction has not been established.Sildenafil (Revatio, Viagra) Uses: Erectile dysfunction: Viagra: Treatment of erectile dysfunction (ED) Pulmonary arterial hypertension: Revatio: Treatment of pulmonary arterial hypertension (PAH) (WHO Group I; efficacy established predominately in patients with WHO/NYHA functional class II and III) in adults to improve exercise ability and delay clinical worsening. Off Label Use of Sildenafil in Adults: Achalasia/Esophageal motility disorders; Persistent pulmonary hypertension after recent left ventricular assist device placement; Raynaud phenomenon Sildenafil (Viagra) Dose in AdultsSildenafil (Viagra) Dose in the treatment of Erectile dysfunction: Usual dose: Start with 50 mg once a day. You take it by mouth about 1 hour before you plan to have sex. But you can take it anytime between 30 minutes to 4 hours before sex. Dosing range: Your doctor might adjust your dose depending on how you respond. It can vary from 25 mg to 100 mg once a day. Maximum dose: The highest amount you should take in a day is 100 mg.Sildenafil Dose in the treatment of pulmonary arterial hypertension (PAH) (Revatio):For Intravenous (IV) Use: You might get either 2.5
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