Cenforce D contains two active ingredients: sildenafil citrate (for erectile dysfunction) and dapoxetine (for premature ejaculation). Because it combines two medications, side effects may be more common than with either drug alone. Common Side Effects These side effects are relatively common and are usually mild to moderate: Headache Dizziness Nausea Flushing (warmth or redness of the face) Indigestion Nasal congestion Dry mouth Diarrhea Difficulty sleeping Many of these effects improve as the medication wears off. Less Common Side Effects Some users may experience: Blurred vision or changes in color vision Increased sweating  Cenforce D  Palpitations (awareness of heartbeat) Anxiety or nervousness Rare but Serious Side Effects Seek immediate medical attention if you experience: Fainting or loss of consciousness Chest pain Severe allergic reactions Sudden vision or hearing loss An erection lasting more than 4 hours (priapism) Severe mood changes or suicidal thoughts Factors That May Increase Side Effects Taking a higher dose than prescribed Drinking alcohol while using the medication Taking interacting medications Having underlying heart, liver, or kidney conditions Most users tolerate Cenforce D reasonably well, but side effects vary from person to person. If side effects are severe, persistent, or concerning, consult your healthcare provider about adjusting the dose or considering alternative treatments.