Clarityn

Overview

What is Clarityn?   

Clarityn, also known by its generic name loratadine, is a non-drowsy (non-sedating) antihistamine used to relieve symptoms of allergies. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms. Clarityn is effective in treating sneezing, runny nose, itchy or watery eyes, and other symptoms of allergies. 

Global Name

• Generic name: Loratadine 
• Brand names: Clarityn, Alavert, Claritin, Claritine. 

Usage

What is Clarityn used for? 

Clarityn is primarily used to treat and manage symptoms associated with: 

• Seasonal allergies (hay fever) 
• Perennial allergic rhinitis 
• Hives and associated itching 
• Acute mild food allergic reactions e.g. seafood, peanut 

How do you use Clarityn? 

Availability:

Clarityn is available in tablet, syrup, and rapidly dissolving tablet forms.

Dosage information:

• Adults and children over 12 years: 10 mg once daily. 
• Children 2 to 12 years (over 30 kg): 10 mg once daily. 
• Children 2 to 12 years (under 30 kg): 5 mg once daily. 

Are the following suitable to take the drug: Children, adults, elderlies? 

• Children: Yes, for children aged 2 years and above. 
• Adults: Yes 
• Elderlies: Yes, no adjustment usually necessary. 
• Pregnancy: Consult a doctor. 
• Lactation: Consult a doctor. 

Is there anyone who can’t take Clarityn? 

• Children: Under 2 years. 
• Adults: Those with severe allergic reactions to loratadine or any component of the formulation. 
• Elderlies: Generally safe, but consultation is advised for those with multiple medications. 
• Pregnancy: Should be taken only if clearly needed and directed by a doctor. 
• Lactation: Caution advised; consult a healthcare provider. 

Allergies: Avoid if known allergy to loratadine or any excipients in the formulation. 

Warnings and Precautions:

• Although non-drowsy, some people might experience slight drowsiness. 
• Avoid consuming alcohol as it can enhance drowsiness effects. 

Drug and Food/Beverage Interactions: 

• Limited interactions but check with a healthcare provider if on other medications. 
• Avoid use if you have severe liver conditions without consulting a doctor. 

Side Effects

Common side effects might include headache, fatigue, and dry mouth, though it is generally well tolerated.

Pharmacist Tips

Storage information: 

• Keep in a cool, dry place away from direct sunlight. 

Handling instructions: 

• Follow the dosage instructions on the packaging or as prescribed by a healthcare professional. 

• For liquid forms, use the measuring device that comes with the product for accurate dosing. 

Availability

Where is Clarityn available in Hong Kong?

Clarityn is an over-the-counter (OTC) medication that can be sold without a prescription. It is found in all chain drug stores, including Mannings and Watsons. 

FAQs

Can Clarityn be taken daily? 

Yes, Clarityn can be taken daily during the allergy season or as prescribed by a doctor. 

Does Clarityn cause drowsiness? 

Clarityn is known as a non-drowsy antihistamine, but a small percentage of people might experience mild drowsiness. 

Can I take Clarityn with other medications? 

Generally, Clarityn has few interactions, but it’s always best to consult with a healthcare provider. 

How quickly does Clarityn work? 

Clarityn typically begins to relieve allergy symptoms within an hour of ingestion. 

This guide provides essential information on how to effectively use Clarityn to manage and treat allergy symptoms, ensuring a comfortable allergy season.