Paracetamol is a well-known Non-selective COX inhibitor. It is a good analgesic and anti-pyretic.
Chlorpheniramine is a H1 antihistamines that is commonly conventionally to antitussive/expectorant formulations. They afford relief in cough due to their sedative and anticholinergic actions. They reduce secretions by anticholinergic action and arespecially promoted for cough in respiratory allergic states
Phenylephrine is an alpha-1 adrenergic agonist causing vasoconstriction. This reduces nasal congestion by preventing fluid from draining from the blood vessels into the tissues lining the nasal passages. It isused as a nasal decongestants to temporarily unblock a nose or relieve sinus pressure
Caffeine and theophylline are CNS stimulants, primarily affect the higher centres. Caffeine produces a sense of wellbeing, alertness, , allays fatigue. It tends to improve performance and increase motor activity.
Used to treat symptoms of cold, cough and asthma
Helps relieve fever, headache, body aches, congestion
Paracetamol aids in reducing fever and pain symptoms and Chlorpheniramine & Phenylephirine relives congestion and cold symptoms