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Desloratadine: Uses, Side Effects and Dosage

Updated:
Facts
Status:
Over-the-counter (OTC)
Strength:
5 mg
Active ingredient:

Patient Medication Information: uses, side effects, how to take - Desloratadine

Serious Warnings and Precautions

  • Tell your doctor if you have severe liver or kidney disease.

What is Desloratadine used for?

Desloratadine provides:

  • fast 24 hour effective relief from seasonal allergies (trees, grass, pollen and ragweed) and year round allergies (dust mites, animal dander and moulds) resulting in symptoms including nasal congestion, sneezing, runny nose, itchy nose, stuffiness; itchy palate; itchy ears; itchy throat; allergic cough; as well as swollen, itchy, burning, watery and red eyes.
  • fast and effective relief of allergic skin conditions, such as skin itch and hives.

How does Desloratadine work?

Desloratadine is a product proven to work in multiple ways. Its’ anti-allergic action and anti- inflammatory properties provide a multi defence against allergy symptoms. Desloratadine is a long- acting antihistamine that blocks the action of histamine.

Desloratadine has anti-inflammatory properties that also help by reducing swelling and related symptoms such as nasal congestion, redness and hives.

Most people will feel relief of allergy symptoms within 75 minutes of taking Desloratadine.

Symptom relief will be maintained for 24 hours.

Desloratadine does not cause drowsiness.

Desloratadine can be used by people with mild to moderate asthma.

What are the ingredients in Desloratadine?

Medicinal ingredients: Desloratadine 5 mg

Non-medicinal ingredients: Calcium hydrogen phosphate dihydrate, FD&C Blue No. 2, hypromellose, lactose monohydrate, maize starch, microcrystalline cellulose, polyethylene glycol, talc, titanium dioxide, zinc stearate.

Desloratadine comes in the following dosage forms:

Tablets: 5 mg

Do not use Desloratadine if:

you are

  • allergic to desloratadine or to any of the other product ingredients
  • pregnant or nursing

To help avoid side effects and ensure proper use, talk to your healthcare professional before you take Desloratadine. Talk about any health conditions or problems you may have, including if you:

  • have liver or kidney disease
  • plan to become pregnant
  • have medical or family history of seizures

Tell your healthcare professional about all the medicines you take, including any drugs, vitamins, minerals, natural supplements or alternative medicines.

The following may interact with Desloratadine:

  • Desloratadine may affect the way other medicines work, and other medicines may affect how Desloratadine works.
  • If you are taking any medication, it is important to ask your doctor or pharmacist before taking Desloratadine.

How to take Desloratadine:

Usual dose:

Adults and children (12 years of age and older): Swallow one tablet with water, once daily, regardless of mealtime.

Overdose:

If you think you, or a person you are caring for, have taken too much Desloratadine, contact a healthcare professional, hospital emergency department, or regional poison control centre immediately, even if there are no symptoms.

Missed Dose:

If you miss taking your dose on time, do not worry; take your dose when you remember. Do not exceed more than one dose in 24 hours.

What are possible side effects from using Desloratadine?

These are not all the possible side effects you may have when taking Desloratadine. If you experience any side effects not listed here, tell your healthcare professional.

Side effects that may occur include, dry mouth, fatigue, increased appetite and headache.

At the recommended dose, this medicine is not expected to affect your ability to drive or use machines. Drowsiness has been reported very rarely. Although most people do not experience drowsiness, it is recommended not to engage in activities requiring mental alertness, such as driving a car or operating machinery until you have established your own response to the medicinal product.

Serious side effects and what to do about them

Symptom / effect

Talk to your healthcare

professional

Stop taking drug and get immediate medical help
Only if severeIn all cases
VERY RARE

Allergic reaction (rash, itching, swelling of lips, tongue, face,

throat and difficulty in breathing)

√

Fast heart rate or heart

palpitations

√

Restlessness with increased

body movement

√
Seizures√

Liver dysfunction - i.e., inflammation of the liver

(appearance of jaundice - yellowing of the skin)

√

If you have a troublesome symptom or side effect that is not listed here or becomes bad enough to interfere with your daily activities, tell your healthcare professional.

Reporting Side Effects

You can report any suspected side effects associated with the use of health products to Health Canada by:

  • Visiting the Web page on Adverse Reaction Reporting (https://www.canada.ca/en/health-canada/services/drugs-health-products/medeffect-canada/adverse-reaction-reporting.html) for information on how to report online, by mail or by fax; or
  • Calling toll-free at 1-866-234-2345.

NOTE: Contact your health professional if you need information about how to manage your side effects. The Canada Vigilance Program does not provide medical advice.

Storage:

Store between 15-30⁰C. Protect tablets from excessive moisture. Keep out of reach and sight of children.

If you want more information about Desloratadine:

  • Talk to your healthcare professional
  • Find the full Product Monograph that is prepared for healthcare professionals and includes this Patient Medication Information by visiting the Health Canada website: (https://www.canada.ca/en/health-canada/services/drugs-health-products/drug- products/drug-product-database.html; the manufacturer’s website (www.jamppharma.com) or by calling at 1-866-399-9091.

JAMP Pharma Corporation

1310 rue Nobel

Boucherville, Quebec

J4B 5H3, Canada

Last Revised: December 13, 2022

About this document

Source: Health Canada – Drug Product Database (DPD) and product monographs · DIN (Drug Identification Number): 02546019

Revision date stated in the text: December 13, 2022

Found a mistake? Write to us via the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Drug information for Desloratadine

Rx or OTC
Over-the-counter (OTC)?
DIN 02546019
Schedule(s) NON-PRESCRIPTION DRUGS
Active ingredient(s) Desloratadine 5 MG
Dosage form(s) Tablet
Route(s) of administration Oral
Drug class (WHO ATC)
  1. R Respiratory system drugs
    1. R06 Antihistamines for systemic use
      1. R06A Antihistamines for systemic use
        1. R06AX Other antihistamines for systemic use
          1. R06AX27 Desloratadine
Company JAMP PHARMA CORPORATION
Current status Marketed
Current status date November 29, 2024

Source: Health Canada – Drug Product Database (DPD) and product monographs, data as of November 1, 2026. Data from the Health Canada Drug Product Database, as published there. Not a substitute for the advice of a doctor or pharmacist.