Malegra 25 mg contains sildenafil 25 mg and is prescribed primarily for erectile dysfunction (ED). It may be chosen when a lower sildenafil dose is appropriate. Common reasons a doctor might prescribe 25 mg include: Starting at a lower dose: Some people respond well to 25 mg and don't need 50–100 mg. Side effects at higher doses: Lowering the dose can reduce headache, flushing, dizziness, indigestion, or visual effects. Older age or certain health conditions: A lower starting dose may be appropriate depending on overall health. Drug interactions: Some medicines can increase sildenafil levels, making a lower dose safer. It is generally taken about 30–60 minutes before ***** activity, and no more than once in 24 hours. ***** stimulation is still required. Important: Sildenafil must not be combined with nitrates such as nitroglycerin/GTN or recreational “poppers,” because this can cause a dangerous drop in blood pressure. If you're wondering whether Malegra 25 mg or 50 mg would be more appropriate, I can explain the difference and when doctors typically choose each dose.