Chlorhexidine

Antiseptic
ALSO SOLD WITHOUT PRESCRIPTION

Chlorhexidine is a antiseptic found in 2 medicines sold in India, such as Hexidine, Savlon Antiseptic Liquid. Below: what it is for, how it works, how to take it, side effects, interactions and pregnancy advice.

What it is used for

Kills germs in the mouth (mouthwash) or on skin and wounds.

How it works

An antiseptic that kills a wide range of bacteria on skin, wounds and in the mouth.

How to take it

Mouthwash: rinse with 10 ml for 1 minute twice a day, 30 minutes apart from toothpaste. Skin: use as directed; keep out of ears and eyes.

Common side effects

  • Brown staining of teeth and tongue
  • Altered taste (mouthwash)
  • Skin irritation

Get medical help straight away if

Swelling of the face or breathing trouble (rare severe allergy)

Be careful

Mouthwash can stain teeth with long use; do not swallow.

Other medicines and interactions

Toothpaste ingredients can inactivate it; leave a gap.

Pregnancy and breastfeeding

Safe to use in pregnancy and breastfeeding.

Brands of Chlorhexidine (1)

Hexidine

Combination medicines that contain Chlorhexidine (1)

Savlon Antiseptic Liquid

Common questions

What is Chlorhexidine used for?

Kills germs in the mouth (mouthwash) or on skin and wounds.

How does Chlorhexidine work?

An antiseptic that kills a wide range of bacteria on skin, wounds and in the mouth.

How should I take Chlorhexidine?

Mouthwash: rinse with 10 ml for 1 minute twice a day, 30 minutes apart from toothpaste. Skin: use as directed; keep out of ears and eyes.

What are the side effects of Chlorhexidine?

Common: Brown staining of teeth and tongue, altered taste (mouthwash), skin irritation. Get help straight away for: Swelling of the face or breathing trouble (rare severe allergy).

Does Chlorhexidine interact with other medicines?

Toothpaste ingredients can inactivate it; leave a gap.

Is Chlorhexidine safe in pregnancy and breastfeeding?

Safe to use in pregnancy and breastfeeding.

Does Chlorhexidine need a prescription in India?

It is usually sold without a prescription in India, but ask a pharmacist if you take other medicines or have a long-term illness.

Which brands contain Chlorhexidine?

Hexidine, Savlon Antiseptic Liquid.

Sources and further reading

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.

Last reviewed 31 October 2026. Written by Satya Babu from standard prescribing information.

🔎 Search another medicine

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.