Dequalinium Lozenges

Medication Information Leaflet

What is this medication for?

Dequalinium lozenges have an antiseptic effect and are used to help with symptoms of sore throat.

How should I take/use this medication?

  • Suck on Dequalinium lozenges according to the instructions on the medication label or as directed by your doctor or pharmacist

  • You may take this medication with or without food

What precautions should I take?

Inform your healthcare professional if:

  • You are allergic to this medication or any of the other ingredients of this medication

What are some common side-effects of this medication?

  • Dequalinium lozenges generally do not have side effects when taken at recommended doses

  • It may sometimes cause soreness of the tongue, mouth discomfort or a burning sensation in the mouth

    • Stop sucking on Dequalinium lozenges if that happens

What are some rare but serious side-effects that I need to seek medical advice immediately?

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue

  • Difficulty in breathing

  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

How should I store this medication?

Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.

How should I throw away this medication safely?

Pack this medication into a black trash bag and seal it tightly before throwing it into the rubbish chute or bin.


Please take note that the above is not a complete list of all possible side effects. If you have any concerns about your medication or if you have other side effects that you think are caused by this medication, please consult your doctor or pharmacist.

If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.

This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (National Healthcare Group, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.

Last updated on Oct 2022

Back to Top