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Viagra works in response to sexual stimulation to increase the blood flow to the penis leading to an erection. Viagra does not result in an erection without sexual stimulation. When a man is aroused, muscles in the penis relax to allow this greater blood flow. Viagra (sildenafil) is a brand-name prescription drug that s used to treat erectile dysfunction (ED). Learn about side effects, warnings, dosage, and more. how often does viagra work Usual Adult Dose for Erectile Dysfunction. TABLETS (Viagra) Initial dose: 50 mg orally once a day, as needed, about 1 hour prior to sexual activity. Maintenance dose: May increase to 100 mg or decrease to 25 mg once a day, based on efficacy and tolerability. Maximum dose: 100 mg orally once a day. Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women. Do not take Viagra while also taking Revatio. Warnings 4.1 Nitrates. Consistent with its known effects on the nitric oxide/cGMP pathway [see Clinical Pharmacology (12.1, 12.2)], VIAGRA was shown to potentiate the hypotensive effects of nitrates, and its administration to patients who are using nitric oxide donors such as organic nitrates or organic nitrites in any form either regularly and/or intermittently is therefore contraindicated.

Here are a few tips for taking Cialis safely and effectively. 1. Follow safe, recommended Cialis doses. If you d like to take Cialis for ED, you ve got two options. You can take one of the higher-dose tablets on an as-needed basis (when you want to have sex), or you can take a smaller-dose tablet every day. Pulmonary Pressure Alleviator. For those grappling with pulmonary arterial hypertension, Cialis emerges as a beacon of hope. It aids in decreasing the blood pressure in your lungs. This not only facilitates breathing but also rejuvenates your energy levels. Boosting Psychological Well-being Indicated for pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability; studies establishing effectiveness included predominately patients with NYHA cialis tablets for pulmonary hypertension Cialis Pills Online. Tadalafil and Accessibility: The accessibility of Tadalafil has played a transformative role in its widespread adoption. Available in various formulations, including cost-effective generic versions, Tadalafil has become an inclusive option accessible to a broader demographic. ConclusionsIn patients with pulmonary arterial hypertension, tadalafil 40 mg was well tolerated and improved exercise capacity and quality of life measures and

Usual Adult Dose for Pulmonary Hypertension. TABLETS (Revatio)/ORAL SUSPENSION (Revatio, Liqrev): Initial dose: 20 mg orally 3 times a day Maintenance dose: May titrate up to 80 mg orally 3 times a day, if required, based on symptoms and tolerability. Maximum dose: 80 mg orally 3 times a day IV: 10 mg IV bolus 3 times a day Comments: Four agents are currently approved for the treatment of pulmonary arterial hypertension in the United States and Europe 5: intravenous epoprostenol, the inhaled prostacyclin analogue