Urticaria Management in Children

Recommended Treatment Approach

• The American Academy of Pediatrics recommends non-sedating H1 antihistamines as first-line treatment for pediatric urticaria, with second-generation antihistamines such as cetirizine or loratadine being the preferred agents 1
• Second-generation antihistamines are recommended as the mainstay of therapy for both acute and chronic urticaria in children, due to their favorable safety profile compared to first-generation antihistamines 1, 2

Dosing and Administration

• Cetirizine has the shortest time to reach maximum concentration, making it advantageous for rapid symptom relief in children with urticaria 1
• The dose of diphenhydramine should be based on weight, with a recommended dose of 1 to 2 mg/kg per dose, and a maximum single dose of 50 mg 4
• For a typical 23-month-old weighing approximately 12 kg, the dose of diphenhydramine would be 12-24 mg per dose 3

Adjunctive Measures and Safety Considerations

• Identify and minimize aggravating factors such as overheating, stress, and certain medications to help manage urticaria symptoms in children 1, 2
• Cooling lotions, such as calamine or 1% menthol in aqueous cream, can provide symptomatic relief without systemic effects 1

Emergency Intervention

• Administer intramuscular epinephrine immediately if signs of anaphylaxis develop, such as difficulty breathing, throat swelling, or hypotension 3, 4
• For children 15-30 kg, use 0.15 mg epinephrine auto-injector in emergency situations 3, 4