Begma 100, designed to address erectile dysfunction (ED) in males, is formulated with sildenafil citrate, a potent phosphodiesterase type 5 (PDE5) inhibitor. Its mechanism centers on augmenting blood circulation within the body. Begma 100 is a prescription medication used to treat erectile dysfunction (ED) in men. The recommended starting dose is usually 50 mg, taken as needed, approximately 1 hour before physical activity. Common side effects include headache, flushing, indigestion, nasal congestion, dizziness, and visual disturbances.