
FDA requires warning about rare but severe itching after stopping long-term use of oral allergy medicines cetirizine or ...
Between April 25, 2017, and July 6, 2023, FDA identified 209 cases worldwide (197 domestic) of pruritus after stopping treatment with cetirizine (n=180), levocetirizine (n=27), or both (n=2), in the FDA Adverse Event Reporting System (FAERS) database. In …