Malegra 120 mg (a sildenafil citrate medication for erectile dysfunction). While many people only get mild effects (like headache or indigestion), some are medical emergencies and require immediate care:   Serious Side Effects (Seek Urgent Medical Help) Cardiovascular and Chest Issues Chest pain or pressure, possibly spreading to arm/shoulder — can be a sign of heart attack. Irregular heartbeat or palpitations. Dizziness or fainting, especially with chest discomfort. Vision & Eye Problems Sudden vision loss or severe visual disturbance. Blurry vision or changes in color perception (rare but serious). Hearing Issues Sudden decrease or loss of hearing or ringing/ buzzing in ears. Prolonged Erection (Priapism) Painful erection lasting > 4 hours — this is a true emergency. If Malegra 120 mg , it can cause permanent damage. Severe Allergic Reactions Hives, swelling of face/tongue/throat, difficulty breathing — signs of a potentially life-threatening allergy.  Why These Are Serious These reactions affect major organs (heart, eyes, ears, penis tissue) and can lead to permanent damage or be life-threatening if not addressed quickly. They are uncommon but must not be ignored.  When to Call Emergency Services Seek medical help immediately if you experience any of the following after taking Malegra 120 mg: Severe chest pain or shortness of breath Sudden loss of vision or hearing Erection lasting longer than 4 hours Fainting, severe dizziness, weakness Severe allergic symptoms (swelling, rash, trouble breathing)  Before Taking Malegra .