Medicine Name: LCZ-Cold Tablet. Composition: Caffeine (30mg) + Diphenhydramine (25mg) + Paracetamol (500mg) + Phenylephrine (5mg). Side Effects: Nausea Vomiting Insomnia difficulty in sleeping Dizziness Impaired coordination Headache Sedation Inability to concentrate Irritability Tremors Diarrhea Dryness in mouth Fatigue Blurred vision.