Non-sedating antihistamines (Formulary: Respiratory)

TAM (Treatments and Medicines) NHS Highland
NHS Highland

Non-sedating antihistamines are useful in urticaria and angioedema, refer to Dermatology patient pathways.

CETIRIZINE - (First line)

Therapy notes

Formulation and dosage details

Formulation:

Tablets 10mg

Dosage:

Adults, 10mg daily.

Formulation and dosage details

Formulation:

Oral solution 5mg/5mL

Dosage:

Adults, 10mg daily.

FEXOFENADINE HYDROCHLORIDE

Therapy notes

Formulation and dosage details

Formulation:

Tablets 120mg, 180mg

Indications: 

  • 120mg: for symptomatic relief of seasonal allergic rhinitis as per BNF and EMC.
  • 180mg: for symptomatic relief of chronic idiopathic urticaria as per BNF and EMC.

May cause drowsiness.

LORATADINE

Therapy notes

Formulation and dosage details

Formulation:

Tablets 10mg

Dosage:

Adults, 10mg once daily.

Editorial Information

Last reviewed: 17/07/2026

Author(s): Dermatology.

Version: 1.1

Approved By: TAM subgroup of the ADTC

Document Id: F357