desloratadine, Clarinex, Clarinex Reditabs

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

What is the dosage for desloratadine?

The recommended dose for adults and children 12 years or older is 5 mg daily.

For children 6 to 11 years of age the dose is 2.5 mg of the syrup or 2.5 mg of the RediTabs once daily.

Children 12 months to 5 years old should receive 1.25 mg of the syrup once daily and children 6 to 11 months old are treated with 1 mg of syrup once daily.

Desloratadine can be taken with or without food.

Which drugs or supplements interact with desloratadine?

Ketoconazole (Nizoral, Extina, Xolegel, Kuric), erythromycin, azithromycin (Zithromax), fluoxetine (Prozac), and cimetidine (Tagamet) increase blood levels of desloratadine by reducing the elimination of desloratadine by liver enzymes.

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