Malegra DXT Plus is commonly listed as sildenafil 100 mg + duloxetine 60 mg, while Malegra DXT is listed as sildenafil 100 mg + duloxetine 30 mg. webfacil.tinet.cat +1 The higher duloxetine strength does not necessarily work faster. Sildenafil generally Malegra DXT Plus working in 30–60 minutes, while duloxetine's effect on ejaculation may take longer and is not reliably immediate. Malegra DXT Plus is a combination product that should be used only with medical guidance. Are you looking to improve: A. Erection strength B. Delay ejaculation C. Both I can explain the differences and the relevant safety considerations.