Malegra 25 mg: What Is It? Malegra 25 mg is a prescription drug used to treat the common male sexual disorder known as erectile dysfunction (ED), commonly referred to as sexual impotence. One sign of ED is having more trouble getting or keeping an erection. Sildenafil citrate is the primary component of the FDA-approved drug Malegra 25 mg. Sunrise Remedies Pvt. Ltd., a pharmaceutical company,...