Desloratadine

Overview

What is Desloratadine?   

Desloratadine is a second-generation antihistamine designed to treat allergies with fewer sedative side effects than its first-generation counterparts. It works by blocking the action of histamine, a substance in the body that causes the symptoms of allergies. 

Global Name

• Generic name: Desloratadine
• Brand name: Clarinex

Usage

What is Desloratadine used for? 

Desloratadine is used to relieve the symptoms associated with: 

• Seasonal allergic rhinitis (hay fever) 

• Perennial allergic rhinitis (year-round allergies) 

• Chronic idiopathic urticaria (long-term hives) 

• Acute food allergies 

How do you use Desloratadine? 

Availability: 
Desloratadine is available in several forms, including tablets, orally disintegrating tablets, and syrup, making it accessible for adults and children alike. 

Dosage information: 

• Adults and Children 12 years and older: 5 mg once daily. 

• Children 6 to 11 years: 2.5 mg once daily. 

• Children 1 to 5 years: 1.25 mg once daily. 

• Infants 6 to 11 months: 1 mg once daily. 

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

• Children: Yes, suitable for children as young as 6 months depending on the form. 

• Adults: Suitable for adults. 

• Elderlies: Suitable, generally no dosage adjustment is necessary. 

Is there anyone who can’t take Desloratadine? 

• Children: Not recommended for infants under 6 months. 

• Adults: Generally safe, but consult a doctor if you have severe liver or kidney disease. 

• Elderlies: Suitable but always consult with healthcare providers. 

• Pregnancy: Should be used only if clearly needed and directed by a healthcare provider. 

• Lactation: Consult a healthcare provider before use. 

Allergies: Individuals allergic to desloratadine or any of its components should avoid this medication. 

Warnings and precautions: Although less sedating, caution is advised when performing tasks requiring mental alertness such as driving, operating heavy machinery or performing delicate tasks. 

Interactions and contraindications of the drug: 

 Desloratadine should be used with caution along with alcohol and other CNS depressants as it may increase the risk of sedative effects. 

Side Effects

While generally well-tolerated, some common side effects include: 

• Fatigue 

• Dry mouth 

• Headache 

• Irritability 

Pharmacist Tips

• Storage information: Store at room temperature away from excessive heat and moisture. 

• Handling instructions: Use the syrup with the provided measuring cup or spoon for accurate dosing. 

Availability

Where is Desloratadine available in Hong Kong?

Desloratadine is a prescription medication that can be prescribed by healthcare providers. 

FAQs

How long does it take for Desloratadine to work? 

Desloratadine usually starts to relieve allergy symptoms within 1 to 3 hours of intake. 

Can Desloratadine be taken with other medications? 

Yes, but always consult with a healthcare provider as it may interact with certain medications. 

Is Desloratadine safe for long-term use? 

Yes, it is considered safe for long-term use under medical supervision. 

Can Desloratadine cause drowsiness?