Similar names: Levocetirizine Dihydrochloride; Acetic acid, 2-[2-[4-[(R)-(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-, hydrochloride (1:2); Acetic acid, [2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-, dihydrochloride, (R)-; Acetic acid, [2-[4-[(R)-(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-, dihydrochloride (9CI); (R)-(-)-Cetirizine hydrochloride; (R)-Cetirizine dihydrochloride; Allear; Allercet; Levocetirizine dihydrochloride; Lezyncet; UCB 28556; Xusal; Xyzal; Xyzall