
1) Belgian invention
Found on
https://www.crosswordclues.com/clue/cetirizine

<chemical> A potent second-generation histamine h1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Unlike many traditional antihistamines, it does not cause drowsiness or anticholinergic side effects. ... Pharmacological action: anti-allergic agents, histamine h1 antagonists. Ã...
Found on
http://www.encyclo.co.uk/local/20973

(sә;-tir´ĭ-zēn) a nonsedating antihistamine administered orally in the form of the hydrochloride salt for treatment of allergic rhinitis and chronic hives, and as a treatment adjunct for asthma.
Found on
http://www.encyclo.co.uk/local/21001
No exact match found.