Antihistamines
Antihistamines (H1 inhibitors) are of value in the treatment of allergic rhinitis and urticaria.
Examples of sedating antihistamines
As well as being sedating these antihistamines have some antimuscarinic properties (e.g. urinary retention, dry mouth).
Examples of non-sedating antihistamines
Of the non-sedating antihistamines there is some evidence that cetirizine may cause more drowsiness than other drugs in the class.
Examples of sedating antihistamines
- chlorpheniramine
As well as being sedating these antihistamines have some antimuscarinic properties (e.g. urinary retention, dry mouth).
Examples of non-sedating antihistamines
- loratidine
- cetirizine
Of the non-sedating antihistamines there is some evidence that cetirizine may cause more drowsiness than other drugs in the class.