Silagra 50 mg (Sildenafil), some side effects are normal and mild, but a few are serious and must be reported to a doctor immediately. ???? Report immediately if you experience: 1. Heart-related symptoms Chest pain or tightness Fast or irregular heartbeat Feeling like you may faint 2. Severe blood pressure drop Sudden dizziness Fainting Extreme weakness 3. Vision problems Sudden loss of vision in one or both eyes Blurred vision that does not improve Blue/green tint in vision that is severe 4. Hearing problems Sudden hearing loss Ringing in ears (tinnitus) with dizziness 5. Painful or prolonged erection (priapism) Erection lasting more than 4 hours Painful erection even without stimulation This is an emergency and needs urgent treatment 6. Severe allergic reaction Swelling of face, lips, tongue, or throat Difficulty breathing Skin rash, hives, itching 7. Severe stomach or neurological symptoms (rare but serious) Severe headache that doesn’t go away Confusion Seizures (very rare) Important note If you are also taking nitrate medicines (for heart disease), combining them with Silagra can cause a dangerous drop in blood pressure—this also needs immediate medical attention if it happens accidentally. If you want, I can also tell you the common mild side effects vs dangerous ones in a simple table, or how Silagra 50 mg compares with 100 mg in strength and safety.