Levocetirizine (levocetirizine dihydrochloride, marketed as Xyzal in Europe) is a third generation antihistamine, developed from the second generation antihistamine cetirizine. It is more effective and has fewer side effects than the second generation drugs. more...
In some studies it has been shown to be non-sedative unlike many previous antihistamines. It has been reported that it can solve sleeping problems for some people.
Chemically, levocetirizine is the active enantiomer of cetirizine.
Xyzal is available in 5 mg tablets and is made by Belgian pharmaceutical company UCB. Xyzal was first launched in 2001. The patent on levocetirizine will expire in 2013.
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