ORIGINAL RESEARCH-ED PHARMACOTHERAPY: A Comparison of the Efficacy and Tolerability of Tadalafil 10Â mg and 20Â mg in Japanese Patients with Severe Erectile Dysfunction

Patients with severe ED, and especially those with an organic comorbidity, may derive greater clinical benefits from tadalafil 20 mg compared with 10 mg. Marumo K, Imaoka T, Fujimoto K, Watts S, Stothard D, and McGill J. A comparison of the efficacy and tolerability of tadalafil 10 mg and 20 mg in Japanese patients with severe erectile dysfunction.