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Levocetirizine (as levocetirizine dihydrochloride) is a third generation non-sedative antihistamine, developed from the second generation antihistamine cetirizine. Chemically, levocetirizine is the active enantiomer of cetirizine.
It is claimed to be more effective and with fewer side effects than the second generation drugs.
History & formulations
Xyzal was first launched in 2001 by Belgian pharmaceutical company UCB. The patent on levocetirizine will expire in 2013.
It is available as 5mg stength tablets and marketed under brand names Xyzal® in UK or Xusal® in Europe.
External links
"Levocetirizine"