Answer
Feb 27, 2025 - 11:07 AM
Tadalafil and Viagra (sildenafil) are both medications used to treat erectile dysfunction, but they have different active ingredients and durations of action. Tadalafil typically lasts longer, up to 36 hours, compared to Viagra's 4 to 6 hours. The "strength" in terms of effectiveness can vary between individuals, so some may find one more effective than the other, but both are generally considered effective for treating erectile dysfunction.