Loratadine is an antihistamine drug used to treat allergies, and marketed for its non-sedating properties. It is marketed by Schering-Plough and Shionogi in Japan under several trade names such as Claritin, Claritin-D, Claritine, Clarityn, Clarityne or Fristamin depending on the market; by Cadila as Lorfast; by Lek as Lomilan or Flonidan; by Sandoz as Symphoral; by Ranbaxy as Roletra; by Pliva as Rinolan; by Teva as AllergyX; by Wyeth as Alavert; and by Pharma International as Tidilor