Filitra 40 mg contains Vardenafil, a PDE5 inhibitor used for erectile dysfunction (ED). Taking more than the recommended dose can cause an overdose, which may be dangerous. Symptoms of Filitra 40 mg Overdose Cardiovascular Symptoms Severe headache Rapid heartbeat (palpitations) Low blood pressure (dizziness, fainting) Chest pain (rare but serious) Vision & Eye Symptoms Blurred vision Sensitivity to light Blue/green color tinge to vision (rare) Gastrointestinal Symptoms Nausea or vomiting Indigestion Stomach discomfort Other Symptoms Flushing (redness/warmth of skin) Nasal congestion Back or muscle pain Prolonged or painful erection (priapism, an erection lasting >4 hours) – medical emergency  What to Do in Case of Overdose Seek medical attention immediately if you experience: Chest pain Severe dizziness or fainting Priapism (erection >4 hours) Severe vision changes Bring the medication packaging or dose information to the hospital. Prevention: Do not exceed the prescribed dose (typically 10–20 mg once daily for most men). Avoid taking other PDE5 inhibitors or nitrates together with Filitra. If you want, I can make a quick chart of Filitra doses (5 mg, 10 mg, 20 mg, 40 mg) and their maximum safe limits, which helps prevent overdose risks.