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Paracetamol + Phenylephrine + Diazepam + Diphenhydramine

Written By Dr. MayankReviewed By Dr. Rajeev Sharma
Last updated 02 Feb 2026 | 12:59 AM (UTC)

Paracetamol + Phenylephrine + Diazepam + Diphenhydramine Uses

Paracetamol+Phenylephrine+Diazepam+Diphenhydramine is used in the treatment of common cold.

How Paracetamol + Phenylephrine + Diazepam + Diphenhydramine works

Paracetamol + Phenylephrine + Diazepam + Diphenhydramine is a combination of four medicine: Paracetamol , Phenylephrine . Diazepam and Diphenhydramine. Paracetamol/Acetaminophen is an analgesic (pain reliever) and anti-pyretic (fever reducer). It works by blocking the release of certain chemical messengers that cause pain and fever. Phenylephrine is a decongestant that narrows the small blood vessels providing relief from congestion or stuffiness in the nose. Diazepam is a benzodiazepine. It works by increasing the action of a chemical messenger (GABA) which suppresses the abnormal and excessive activity of the nerve cells in the brain. Diphenhydramine is an antihistaminic medication. It blocks the action of certain chemical messengers that are responsible for inflammation, congestion, itching, and other allergic reactions. Together, they make you breathe easily.

Common side effects of Paracetamol + Phenylephrine + Diazepam + Diphenhydramine

Nausea, Allergic reaction, Drowsiness, Fatigue, Muscle weakness, Coordination disorder, Abnormality of voluntary movements, Sleepiness, Dizziness, Thickened respiratory tract secretions, Vomiting, Headache, Stomach pain/epigastric pain
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