Is azelastine anticholinergic?

Is azelastine an anticholinergic drug?

Azelastine is not classified as an anticholinergic. It is an antihistamine (an H1-receptor antagonist), used for allergic symptoms such as allergic rhinitis and allergic conjunctivitis.

What is azelastine’s mechanism instead of anticholinergic effects?

Azelastine works by blocking histamine receptors (H1 antagonism), which reduces allergy-related symptoms like sneezing, itching, and runny nose. Anticholinergics work differently by blocking muscarinic acetylcholine receptors, which azelastine does not.

Why do some people think azelastine is anticholinergic?

Some medications can have anticholinergic-like side effects (for example, dry mouth or reduced secretions) due to different receptor targets, formulation, or off-target effects. But azelastine’s primary and established pharmacologic action is antihistamine activity, not anticholinergic activity.