By Medically reviewed by Hello Doktor Medical Panel


What is Aerius® (desloratadine) used for?

Aerius® is used to relieve the symptoms of allergic rhinitis (inflammation of the nasal passages caused by an allergy, for example, hay fever or allergy to dust mites) or urticaria (a skin condition caused by an allergy, with symptoms including itching and hives).

How should I take Aerius® (desloratadine)?

Take Aerius® by mouth and exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

How do I store Aerius® (desloratadine)?

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

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 Aerius® 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 Aerius® during pregnancy and breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Aerius®.

Side effects

What side effects can occur from Aerius® (desloratadine)?

Some side effects may occur, such as:

  • Edema, such as swelling
  • Pruritus, such as itching skin
  • Rash
  • Tachycardia, such as fast, pounding, or irregular heartbeat or pulse

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 Aerius® (desloratadine)?

Aerius® 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.

Products that may interact with this drug, such as:

  • Atorvastatin
  • Augmentin (amoxicillin / clavulanate)
  • Celebrex (celecoxib)
  • cetirizine
  • Crestor (rosuvastatin)
  • Cymbalta (duloxetine)
  • Escitalopram
  • Ibuprofen
  • Metformin
  • Naproxen

Does food or alcohol interact with Aerius® (desloratadine)?

Aerius® 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 Aerius® (desloratadine)?

Aerius® 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 Aerius® (desloratadine).

What is the dose of Aerius® (desloratadine) for an adult?

The recommended dose for adults and adolescents (12 years of age and over) is 5 mg once a day.

What is the dose of Aerius® (desloratadine) for a child?

The dose in children depends on their age.

For children from one to five years of age, the dose is 1.25 mg once a day, taken as 2.5 ml syrup or oral solution.

For children from six to 11 years of age, the dose is 2.5 mg once a day, taken either as 5 ml of the syrup or oral solution, or as one 2.5-mg orodispersible tablet.

How is Aerius® (desloratadine) available?

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

  • Tablet
  • Oral solution

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 Aerius®, 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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Review Date: June 9, 2017 | Last Modified: December 19, 2019

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