About loratadine
Second-generation antihistamine
Used for
- Relieves hay fever and other allergy symptoms
- Treats itchy skin and hives
Usual adult dose
10 mg by mouth once daily.
Usual dose in children
Ages 2–5 years: 5 mg once daily. Ages 6 years and older: 10 mg once daily.
Common side effects
- Headache
- Sleepiness
- Dry mouth
- Fatigue
Important warnings
- Use caution with liver or kidney disease; a lower dose may be needed.
- May cause drowsiness, though less often than older antihistamines.
- Do not exceed the recommended dose.
- Some allergy skin tests may be affected; tell the testing clinician.
Pregnancy
Available evidence has not shown increased birth-defect risk; use during pregnancy should be discussed with a healthcare professional.
Breastfeeding
Small amounts enter breast milk. Usual doses are generally considered compatible with breastfeeding; monitor for infant drowsiness or irritability.
Interactions
- Ketoconazole may increase loratadine levels.
- Erythromycin may increase loratadine levels.
- Other medicines that cause drowsiness may add to this effect.
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 It may be incomplete or out of date.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.