Medicines & Supplements A to Z > Neomycin


Last updated on July 3, 2019.

Overview   |   Dosage   |   Side Effects   |   Where To Buy  



COMMON BRANDS CONTAINING NEOMYCIN IN HONG KONG: Neomycin Christo (contains only Neomycin), Betnovate-N 裨乃膚 – N (contains Neomycin and Betamethasone), Polydexa 保耳靈 (contains Neomycin, Polymyxin B and Dexamethasone), Maxitrol (contains Neomycin, Polymyxin B and Dexamethasone)

What is Neomycin for?

Neomycin is an aminoglycoside antibiotic and is used for treating bacterial infections, including otitis externa (inflammation of the external ear canal), bacterial skin infections, and bacterial eye infections.

How to use it?

Neomycin is an ingredient in many different products that can be used on the skin, in the eye, or in the outer ear. 

The dosages for otitis externa (inflammation of the external ear canal) vary between different products and you may need to refer to the product label. 

If you are using it for bacterial skin infections, you can apply Neomycin to the skin up to 3 times daily but it can only be used for short-term. This dosage applies to both children and adults. 

For bacterial eye infections, If you are using eye drops, you should apply 1-2 drops into the conjunctival sac(s) 4-6 times daily and gradually decrease the frequency once inflammation is resolved. If you are using eye ointment, you should use apply a small amount into the conjunctival sac(s) 3-4 times daily or as a supplement to the eye drops at bedtime.

What are the side effects of Neomycin?

Neomycin can cause allergic contact dermatitis. 

Where to buy Neomycin in Hong Kong?

In Hong Kong, Neomycin is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

For detailed information about the use of Neomycin in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.