Pyrimon
Pyrimon is a eye drops made by FDC that contains Chloramphenicol 0.5% + Dexamethasone 0.1%. It combines Chloramphenicol: antibiotic (eye and ear drops) and Dexamethasone: steroid (oral or injection).
| Ingredient (salt) | Amount |
|---|---|
| Chloramphenicol | 0.5% |
| Dexamethasone | 0.1% |
Chloramphenicol
What it is used for
Treats bacterial eye infections such as conjunctivitis.
How it works
An antibiotic used as eye drops and ointment for bacterial conjunctivitis, and ear drops.
How to take it
Eye drops: 1 drop every 2 hours for 2 days, then 4 times a day, for 5 days in total.
Common side effects
- Brief stinging
- Blurred vision
Get medical help straight away if
- Eye pain, sensitivity to light or vision change (see a doctor)
- No improvement in 2 days
Be careful
Do not touch the dropper to the eye.
Other medicines and interactions
No important interactions with eye use.
Pregnancy and breastfeeding
Usually avoided in pregnancy and while breastfeeding unless a doctor advises it.
Dexamethasone
What it is used for
Strongly reduces inflammation and allergic reactions.
How it works
A long-acting, very strong steroid for severe allergy, swelling, croup, nausea in chemotherapy and some serious infections.
How to take it
Take with food in the morning, as prescribed; do not stop long courses suddenly.
Common side effects
- Raised sugar
- Mood changes
- Trouble sleeping
- Increased appetite
Get medical help straight away if
- Signs of infection
- Black stools
- Very high sugar
- Confusion
Be careful
Raises blood sugar; use only as prescribed and do not stop suddenly after long use.
Other medicines and interactions
Same cautions as other steroids: NSAIDs, diabetes, live vaccines, enzyme-inducing medicines.
Pregnancy and breastfeeding
Used in pregnancy for specific reasons (such as before early birth); otherwise ask your doctor.
Common questions
What is Pyrimon?
Pyrimon is a eye drops by FDC containing Chloramphenicol 0.5% + Dexamethasone 0.1%.
What is Pyrimon used for?
Treats bacterial eye infections such as conjunctivitis. Strongly reduces inflammation and allergic reactions.
How should I take Pyrimon?
Eye drops: 1 drop every 2 hours for 2 days, then 4 times a day, for 5 days in total. Take with food in the morning, as prescribed; do not stop long courses suddenly. Always follow the dose your doctor or the pack gives.
What are the side effects of Pyrimon?
Common side effects include: Brief stinging, blurred vision, Raised sugar, mood changes, trouble sleeping, increased appetite. Get medical help straight away for: Eye pain, sensitivity to light or vision change (see a doctor), no improvement in 2 days, Signs of infection, black stools, very high sugar, confusion.
Does Pyrimon need a prescription?
Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.
Can I take Pyrimon in pregnancy or while breastfeeding?
Usually avoided in pregnancy and while breastfeeding unless a doctor advises it. Used in pregnancy for specific reasons (such as before early birth); otherwise ask your doctor.
What are the substitutes for Pyrimon?
We have no other brand with exactly the same composition and strength in our list yet. Ask your pharmacist for an equivalent.
Sources and further reading
- Chloramphenicol: NHS · MedlinePlus
- Dexamethasone: NHS · MedlinePlus
NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.
Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.
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