Corex Cough Syrup

Corex is a cough syrup formulation historically used for the temporary relief of cough and associated symptoms such as throat irritation, sneezing, and runny nose. The original Corex product (containing codeine phosphate + chlorpheniramine maleate) was widely marketed in South Asia but has been discontinued in some markets due to regulatory changes affecting fixed-dose combinations.

Corex-DX / Contemporary Formulations:
Current marketed variants (e.g., Corex-DX) contain:

• Chlorpheniramine Maleate — an antihistamine that helps relieve allergic symptoms by blocking histamine receptors.

• Dextromethorphan Hydrobromide — a centrally acting cough suppressant that reduces cough reflex sensitivity.

These contemporary versions are designed to provide rapid relief from dry, unproductive coughs often associated with colds, allergies, or throat irritation.

Key Benefits:

• Cough Suppression: Reduces frequency and intensity of dry cough.

• Allergic Relief: Helps control sneezing and runny nose due to histamine-mediated symptoms.

• Soothes Throat Irritation: Eases discomfort from persistent coughing episodes.

Indications:
Used for temporary relief of non-productive (dry) cough and associated allergic respiratory symptoms in adults and children where clinically appropriate.

How It Works:

• Chlorpheniramine: Blocks histamine H1 receptors to reduce allergic signs such as sneezing and rhinorrhea.

• Dextromethorphan: Acts on the brain’s cough center to decrease cough reflex.

Dosage & Administration:

• Use the measuring device provided; take exact doses as directed by a healthcare provider or as indicated on the label.

• Typically administered orally 3–4 times daily for adults and as clinically guided for children.

Safety & Precautions:

• Prescription Status: In many regions, versions containing codeine or controlled ingredients require a valid prescription and are subject to local drug control regulations.

• Drowsiness & Sedation: May cause drowsiness; avoid driving or heavy machinery until effects are known.

• Contraindications: Avoid if allergic to any components. Discuss use during pregnancy or breastfeeding with a clinician before starting.

• Alcohol Interaction: Alcohol may enhance sedative effects.

Side Effects:
Possible side effects include drowsiness, dizziness, dry mouth, nausea, and fatigue. Seek medical advice if symptoms are severe or persistent.

Storage:

• Store at room temperature, away from light and moisture.

• Keep out of reach of children.

Regulatory Note:
The original Corex formulation (codeine + chlorpheniramine) has been discontinued or banned in some markets where such fixed-dose combinations are deemed to lack therapeutic justification.