Xyzal (generic name: levocetirizine) is an anti-histamine drug.
Xenical (generic name: Orlistat; brand name: Alli) belongs to a group of medicines called lipase inhibitors.
Xtane (generic name: Exemestane; brand names include: Aromasin) belongs to the class of drugs known as aromatase inhibitors.
Xalatan (generic name: Latanoprost) belongs to a group of medicines called prostaglandin agonists.
Levolin) is a bronchodilator.
Xarelto (generic name: rivaroxaban) is an anticoagulant medication used to treat and prevent blood clots.