Grilinctus-P Syrup is a combination medication formulated to provide symptomatic relief in upper respiratory tract conditions characterized by cough, nasal congestion, and associated fever. It contains Chlorpheniramine Maleate (1mg/5ml), an antihistamine that alleviates allergic symptoms by blocking histamine H1 receptors, thereby reducing nasal congestion, sneezing, and rhinorrhea. Paracetamol (125mg/5ml) acts as an analgesic and antipyretic, effectively reducing fever and relieving mild to moderate pain commonly associated with respiratory infections. Phenylephrine (2.5mg/5ml) is a selective alpha-1 adrenergic receptor agonist that produces vasoconstriction of nasal mucosal blood vessels, leading to decreased swelling and nasal congestion. The synergistic action of these active ingredients makes Grilinctus-P Syrup suitable for managing symptoms of common cold, allergic rhinitis, and related upper respiratory tract infections. It is generally well-tolerated when used as directed; however, caution is advised in patients with hypertension, cardiovascular diseases, or hypersensitivity to any component. Dosage should be strictly adhered to according to age and clinical condition, and prolonged use should be avoided to prevent potential side effects. Consultation with a healthcare professional is recommended before use, especially in pediatric, pregnant, or lactating patients.