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Ubayd Ali

Authored by

Ubayd Ali

Superintendent Pharmacist

Registration Number: 2219322

NHS Pharmacist and founding member of HEBA, with years of experience in healthcare across innovative organisations.
Sufyan Tahir

Reviewed by

Sufyan Tahir

Clinical Governance Lead

Registration Number: 2221275

Review Date 23 March 2026
Next Review 23 March 2028
Published on 23 March 2026
Last Update 23 March 2026

Description

Chlorphenamine is a sedating antihistamine used to relieve allergy symptoms such as sneezing, runny nose, itchy eyes, and skin rashes including hives. It can also help ease symptoms of the common cold and insect bites. It works by blocking histamine, the substance responsible for allergic reactions.

 

Directions

Adults and children over 12 years: take 4mg every 4–6 hours as needed (maximum 6 doses in 24 hours). Dosage for children varies by age—always follow the label or pharmacist’s advice.

 

Ingredients

Active ingredient: Chlorphenamine maleate.
May also contain lactose and other inactive ingredients depending on the brand.

Warnings

May cause drowsiness—avoid driving or operating machinery. Do not drink alcohol while taking this medicine. Consult a doctor before use if pregnant, breastfeeding, or if you have glaucoma, prostate problems, or are taking other medications. Keep out of reach of children.
 
 
 

Further Information

Patient Information Leaflet

Summary of Product Characteristics

Verified customer reviews

Frequently asked questions

  • What is Chlorphenamine used for?

    Chlorphenamine is used to relieve allergy symptoms such as sneezing, runny nose, itchy eyes, hives, and reactions to insect bites. It can also help with common cold symptoms.

     

  • Does Chlorphenamine cause drowsiness?

    Yes, it is a sedating antihistamine and may make you feel sleepy. Avoid driving or operating machinery if affected.

     

  • How often can I take Chlorphenamine?

    Adults and children over 12 years can usually take it every 4–6 hours as needed, without exceeding the maximum daily dose stated on the label.

     

  • Can I take Chlorphenamine with alcohol?

    No, alcohol should be avoided as it can increase drowsiness and side effects.

     

  • Who should not take Chlorphenamine?

    People with certain conditions such as glaucoma or prostate problems, or those taking other medications, should consult a doctor or pharmacist before use.
     
     
     

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