Rexonir DX (Celebrity Biopharma) is a prescription cough syrup containing chlorpheniramine maleate 2 mg and dextromethorphan hydrobromide 10 mg in every 5 ml. It is used for dry cough, not for cough with mucus.
Last reviewed: November 2026. General information only, not medical advice. Contents and strengths can differ by manufacturer and batch, so always check your pack and follow your doctor.
Quick Facts
| Brand | Rexonir DX Syrup (Celebrity Biopharma Ltd) |
| Form | Syrup, 100 ml bottle |
| Per 5 ml | Chlorpheniramine 2 mg and dextromethorphan 10 mg |
| Used for | Dry cough with throat irritation, sneezing and runny nose |
| Prescription | Required. Not habit forming per the listing |
| Availability | The seller listing showed it as sold out, with a same-composition alternative |
Rexonir DX Composition
- Chlorpheniramine maleate (2 mg per 5 ml): an antihistamine that reduces sneezing, runny nose and allergy symptoms.
- Dextromethorphan (10 mg per 5 ml): a cough suppressant that works on the cough centre in the brain.
What Is Rexonir DX Used For?
- Dry cough linked to throat irritation, allergy, viral infection or irritants
- Sneezing and runny nose with a cough
- It is not meant for wet cough with mucus
How It Works
Dextromethorphan reduces the urge to cough, while chlorpheniramine blocks histamine to ease allergy-type symptoms.
How to Take It
Take it as your doctor directs, with or without food. Shake well and measure with the measuring cup, not a kitchen spoon. If you miss a dose, take it when you remember unless the next dose is near, and never double up.
Possible Side Effects
Possible side effects include:
- Drowsiness or dizziness
- Dry mouth
- Stomach upset or loose stools
Stop it and contact a doctor for severe drowsiness, breathing difficulty, a rash, fainting or swelling of the face.
Precautions and Who Should Be Careful
- Alcohol and driving are unsafe while taking it.
- Use in pregnancy or breastfeeding only on a doctor advice.
- Tell your doctor if you have glaucoma or trouble passing urine.
- Use caution in kidney or liver disease.
- Do not use it for wet cough.
- Do not combine with other cough and cold medicines or with antidepressants unless your doctor agrees.
- Do not exceed the recommended dose.
Key Points to Remember
- It is for dry cough only. Wet cough needs a different medicine.
- It can make you sleepy, so avoid driving.
- Do not combine it with other cough or cold products without advice.
When to Contact a Doctor
- Cough lasting more than 2 to 3 weeks
- Fever, chest pain, wheezing or breathing trouble
- Coughing up blood or yellow-green phlegm
- A rash, swelling or severe drowsiness after a dose
Practical Tips
- Sip warm water or herbal tea to soothe the throat.
- Avoid smoke, dust and cold drinks if they trigger your cough.
- Use a humidifier or take steam if the air is dry.
- Raise your head with an extra pillow at night.
Questions to Ask Your Doctor or Pharmacist
- Is my cough dry or wet, and what is causing it?
- Is it safe for my child at the right dose?
- Can I take it with my other medicines?
- When should I come back if the cough persists?
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Frequently Asked Questions
Can Rexonir DX be used for wet cough?
No. It is for dry cough. Using a cough suppressant for a cough with mucus is not advised.
Does Rexonir DX cause drowsiness?
Yes, it can, so avoid driving and alcohol.
Can children take Rexonir DX?
Only if a doctor prescribes it at the correct dose.
Is Rexonir DX habit forming?
It is listed as not habit forming, but use it only as prescribed.
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