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Desloratadine: uses, side effects & brands
Desloratadine is a non-drowsy antihistamine, the active form of loratadine. It belongs to the Antihistamine (allergy) group. Antihistamines relieve allergy symptoms such as sneezing, itching, runny nose and hives.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Antihistamine (allergy) |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Hay fever and allergic rhinitis
- Chronic hives (urticaria)
- Year-round allergies such as dust
Common brand names
- India: Deslor, Deslor, Dazit
- Worldwide: Clarinex, Aerius
Common side effects
- Headache
- Dry mouth
- Tiredness
Before taking it — precautions
- Tell your doctor about kidney or liver problems
- Pregnancy or breastfeeding — check with your doctor
- History of seizures — tell your doctor
When to see a doctor urgently
- Severe allergy — swelling or breathing difficulty (urgent)
- Fast or irregular heartbeat
- Seizures (urgent)
Not a prescription — no dose shown. The right dose of desloratadine depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
How is desloratadine related to loratadine?
It is the active form that loratadine is turned into in the body.
Will it make me sleepy?
It rarely causes drowsiness, but check how you feel before driving.
Can I take it with food?
Yes, it can be taken with or without food.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.