Antihistamines Flashcards
1
Q
Commonly used drugs
A
Cetirizine
Fexofenadine
Loratadine
Chlorpheniramine
2
Q
What are they used for
A
Used against mast cell activated inflammatory reactions
Used in patients with very mild atopic asthma, such as hay fever
Symptomatic relief of allergy (e.g. hay fever, allergic rhinitis, urticaria)
3
Q
How do they work
A
H1 receptor antagonists
4
Q
Side effects
A
Drowsiness, headache, antimuscarinic effects
