Medicines & Supplements A to Z > Potassium Permanganate

Potassium Permanganate

Last updated on 12/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Potassium Permanganate

CHINESE NAME: 高錳酸鉀、灰錳氧

BRAND NAME(S) IN HONG KONG: Potassium Permanganate Solution 高錳酸鉀(灰錳氧)藥液

DRUG CLASS: Antiseptics

SUB CLASS: Antibacterial

USED FOR: Skin disinfection (wounds and ulcers)

– 4% (topical solution)

What is Potassium Permanganate for?

Potassium Permanganate is an antiseptic which is used for a number of skin conditions, including bacterial and fungal infections (like Athlete’s foot impetigo) and cleansing of blistered or oozing wounds and ulcers.

How to use it?

Potassium Permanganate is available as a 4% solution that may be applied onto the skin or ulcers. Wash your hands before and after applying Potassium Permanganate. 

To use this solution, you must first dilute it by adding 5 mL of 4% Potassium Permanganate solution into 2 litres of warm water, and mix well. The diluted solution may be pink or light purple in color. Soak the affected area in the diluted solution for around 10 minutes, then dry with a soft towel.

This medication is for external use only. Do not consume it. Avoid any contact with eyes, nose and mouth and sensitive areas.

What are the side effects of Potassium Permanganate?

Common side effects of Potassium Permanganate include irritation, redness, pain, burning sensation and stains in the applied area of the skin.

Who should not take Potassium Permanganate?

People allergic to Potassium Permanganate or any component of the formulation

Pharmacist Tips:

– Potassium Permanganate is corrosive. You must dilute it before use.
– Avoid contact with eyes and mucous membranes. In case of contact with eyes, rinse immediately with plenty of water.
– Potassium Permanganate may stain clothing, skin and nails.

Common dosing schedule:
Potassium Permanganate may be applied once or twice a day.

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Potassium Permanganate may interact with:
Potassium Permanganate has no known interactions with common medications.

Where to buy Potassium Permanganate in Hong Kong?

In Hong Kong, Potassium Permanganate is an over-the-counter medicine and can be purchased without a prescription from any retail outlet in Hong Kong. This includes grocery stores, convenience stores, medicine shops, and pharmacies. 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

Need more information?

For detailed information about the use of Potassium Permanganate 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.