About desloratadine
Second-generation antihistamine
Used for
- Relief of allergic rhinitis symptoms, including sneezing, runny nose, and itchy eyes
- Relief of itching and hives from chronic urticaria
Usual adult dose
Adults and adolescents 12 years and older: 5 mg once daily.
Usual dose in children
Ages 6–11 years: 2.5 mg once daily; ages 1–5 years: 1.25 mg once daily. Not usually recommended under 1 year.
Common side effects
- Headache
- Dry mouth
- Fatigue
- Sleepiness
Important warnings
- Rare serious allergic reactions can include swelling or difficulty breathing.
- Use caution with severe kidney impairment or a history of seizures.
- Drowsiness is uncommon, but avoid driving if affected.
- Follow the product leaflet for age-specific dosing.
Pregnancy
Pregnancy data are limited; use only when considered necessary by a healthcare professional.
Breastfeeding
Desloratadine passes into breast milk; discuss use with a healthcare professional.
Interactions
- Erythromycin and ketoconazole may increase desloratadine levels.
- Tell a healthcare professional about other medicines, including non-prescription products.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.