Silagra is one medication used to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). Sildenafil belongs to the class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. These medications either increase blood flow to the penis or the lungs, depending on the condition being treated.
By relaxing the penile blood vessels, Sildenafil helps ED patients achieve an...
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