Megalis 20 mg is a medication containing tadalafil, commonly prescribed for erectile dysfunction (ED) and sometimes for benign prostatic hyperplasia (BPH). It belongs to the class of phosphodiesterase type 5 (PDE5) inhibitors, which help relax blood vessels and improve blood flow, especially to the penis during sexual stimulation. The typical dose is one tablet taken about 30–60 minutes before sexual activity.
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