Medicine Name: Sinus 77 Tablet. Composition: Caffeine (15mg) + Chlorpheniramine Maleate (4mg) + Paracetamol (325mg) + Phenylephrine (5mg). Side Effects: Nausea Insomnia difficulty in sleeping Restlessness Headache Tachycardia Palpitations Dizziness Fear Anxiety Tremors Weakness Discomfort when urinating Hallucination Convulsion.