Leucodinine B

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Update Date 13/08/2020 . 3 mins read
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What is Leucodinine B (mequinol) used for?

Leucodinine B is commonly used for the treatment of acquired melanin hyperpigmentations, in particular: melasma, post-inflammatory, or chemical (perfume) melanosis.

How should I take Leucodinine B (mequinol)?

Use this drug directly as the direction of doctor or pharmacist.

How do I store Leucodinine B (mequinol)?

Leucodinine B is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Leucodinine B in the bathroom or the freezer. There may be different brands of Leucodinine B 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 Leucodinine B 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 Leucodinine B (mequinol)?

This drug is contraindicated in case of:

  • Hypersensitivity to any ingredients of Leucodinine B
  • Children under 12 years

Before using this drug,

  • Avoid sun exposure of hyperpigmented areas or ensure local photoprotection by using a total sunscreen cream both during and after treatment.
  • Avoid contact with eyes and mucous membranes.

Is it safe during pregnancy or breastfeeding?


In exposed pregnancies, no fetal malformation or toxicity has been reported to date. However, the follow-up of pregnancies exposed to mequinol is insufficient to rule out a risk.

Therefore, as a precaution, this medicinal product should preferably not be used during pregnancy.


In the absence of data, the use of this medicinal product should be avoided during lactation.

Side Effects

What side effects can occur from Leucodinine B (mequinol)?

Some side effects may occur when using this drug, such as irritation, sensitization reactions to mequinol (rare) or risk of post-inflammatory hypermelanosis.

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 Leucodinine B (mequinol)?

Leucodinine B 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 Leucodinine B (mequinol)?

Leucodinine B 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 Leucodinine B (mequinol)?

Leucodinine B 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 your doctor or pharmacist before using Leucodinine B (mequinol).

What is the dose of Leucodinine B (mequinol) for an adult?

The recommended dose is 2 applications per day.

What is the dose of Leucodinine B (mequinol) for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using it. Please consult with your doctor or pharmacist for more information.

How is Leucodinine B (mequinol) available?

Leucodinine B is available in the following dosage forms and strengths:

  • Ointment; Topical; Mequinol 10%

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 Leucodinine B, 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.

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