By Medically reviewed by hellodoktor

Generic Name: Dequadin Brand Name(s): Dequadin and Dequadin.


What is Dequadin® (dequalinium) used for?

Dequadin® is used for mouth and throat infections, such as aphthous ulcers, oral thrush, and sore throat.

How should I take Dequadin® (dequalinium)?

Use Dequadin® as directed by your doctor. Check the label on the medicine for exact dosing instructions.

How do I store Dequadin® (dequalinium)?

Dequadin® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Dequadin® in the bathroom or the freezer. There may be different brands of Dequadin® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Dequadin® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Dequadin® (dequalinium)?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of Dequadin® or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Is it safe during pregnancy or breastfeeding?

There isn’t enough information about the safety of using Dequadin® during pregnancy and breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Dequadin®.

Side effects

What side effects can occur from Dequadin® (dequalinium)?

Occasional hypersensitivity reactions and soreness of the tongue are possible.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with Dequadin® (dequalinium)?

Medication may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Does food or alcohol interact with Dequadin® (dequalinium)?

Dequadin® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Dequadin® (dequalinium)?

Dequadin® may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Dequadin® (dequalinium).

What is the dose of Dequadin® (dequalinium) for an adult?

Adults and children over 10 years: One lozenge to be sucked every 2 to 3 hours, up to a maximum of eight in one day.

What is the dose of Dequadin® (dequalinium) for a child?

The dosage has not been established in children under 10 years. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is Dequadin® (dequalinium) available?

Dequadin® is available in the following dosage forms and strengths:

  • Dequadin® 0.25mg Lozenges – 40 Lozenges

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Dequadin®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.


Review Date: August 9, 2017 | Last Modified: September 12, 2019

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