WikiDrug / Allergy / Claritin

Claritin for Relief of Hay Fever and Upper Respiratory Allergy Symptoms

Overview

Claritin is an antihistamine medication containing loratadine, designed to temporarily relieve symptoms caused by hay fever or other upper respiratory allergies. It helps reduce common allergy symptoms such as runny nose, sneezing, and itchy or watery eyes.

What is it used for?

Claritin is used by adults and children aged 6 years and older to temporarily relieve the following allergy symptoms caused by hay fever or other upper respiratory allergies:

  • Runny nose
  • Itchy, watery eyes
  • Sneezing
  • Itching of the nose or throat

Active ingredients

Loratadine 10 mg

How it works

Claritin contains loratadine, which is an antihistamine that blocks the action of histamine, a natural chemical in the body responsible for allergy symptoms. By preventing histamine from attaching to its receptors, loratadine reduces symptoms such as itching, sneezing, and runny nose without causing drowsiness.

Dosage and administration

Adults and children 6 years and older: Take 1 tablet once daily. Do not exceed 1 tablet in 24 hours.

Children under 6 years: Consult a doctor before use.

Patients with liver or kidney disease: Consult a doctor to determine the appropriate dose.

Contraindications

Use is contraindicated in individuals with a known allergy to loratadine or any of the product ingredients.

Warnings and precautions

  • Do not use if you have had an allergic reaction to Claritin or any of its ingredients.
  • Consult a doctor before use if you have liver or kidney disease.
  • Do not take more than the recommended dose, as this may cause drowsiness.
  • If an allergic reaction occurs, stop use and seek medical help immediately.
  • If pregnant or breastfeeding, consult a healthcare professional before use.
  • Keep out of reach of children. In case of overdose, get medical help or contact Poison Control promptly.

Side effects

Side effects are not detailed in the provided label information.

Drug interactions

There are no specific drug interactions reported in the label for this product.

Pregnancy and breastfeeding

  • If pregnant or breastfeeding, consult a healthcare professional before using this product.

Overdose information

Overdose may cause drowsiness. In case of overdose, seek medical help or contact a Poison Control Center immediately.

Storage

Store between 20°C to 25°C (68°F to 77°F). Protect from excessive moisture. Do not use if the safety seal or individual blister packaging is open or torn.

Manufacturer(s)

Medical references

  • U.S. National Library of Medicine – DailyMed
  • Official prescribing information
  • Other authoritative medical references, where applicable

References are used to support the medical information presented on this page.

Medical information disclaimer

The information on WikiDrug is provided for educational and informational purposes only. It is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about medication use.

Last updated November 4, 2026