Key facts about Desloratadine
What dosages is Desloratadine available in?
Desloratadine is available as a 5 mg oral tablet and a 0.5 mg/1 mL oral solution.
What is Desloratadine used for?
Desloratadine is an antihistamine used to relieve allergy symptoms.
How does Desloratadine work?
Desloratadine is a second-generation antihistamine. It blocks histamine, a natural chemical in your body that can cause allergy symptoms, like itchy eyes, runny nose, sneezing, and hives. By blocking histamine, Desloratadine helps relieve these allergy symptoms.
How do I take Desloratadine?
The typical dose of Desloratadine tablets is 5 mg once daily.
The typical dose of Desloratadine oral solution is:
- 2 teaspoonfuls (5 mg in 10 mL) once daily for adults and adolescents 12 years of age and older
- 1 teaspoonful (2.5 mg in 5 mL) once daily for children 6 to 11 years of age
- 1/2 teaspoonful (1.25 mg in 2.5 mL) once daily for children 12 months to 5 years of age
- 2 mL (1 mg) once daily for children 6 to 11 months of age
Is it safe for me to take Desloratadine?
Desloratadine is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:
- Hypersensitivity to any component in the product
Desloratadine Common Side Effects
Common side effects of Desloratadine:
- Sore throat
- Dry mouth
- Sleepiness
- Muscle pain
- Fatigue
Desloratadine Serious Side Effects
Serious side effects are rare with Desloratadine. Contact your healthcare provider immediately if you experience any of the following:
- Allergic reaction: itchy, red rash (hives); shortness of breath; chest tightness; swelling of lips, tongue, throat, face, or eyes
Effects of other drugs, drug classes and over-the-counter products on Desloratadine
The following medications may interact with Desloratadine:
- Inhibitors of Cytochrome P450 3A4 (ketoconazole, erythromycin, or azithromycin)
- Fluoxetine
- Cimetidine
Who makes Desloratadine?
Various FDA-approved generic manufacturers
Is Desloratadine safe in pregnancy?
It is not known whether this medication is safe for you and your unborn baby during pregnancy. Talk to your doctor if you are already pregnant or if you have plans on becoming pregnant. They will recommend what is best for you.













