Levocetirizine, also known as Xyzal, is a second-generation antihistamine used to treat allergic rhinitis (hay fever) and long-term hives of unknown cause. It has a lower sedative effect than older antihistamines. It is taken orally.
- Sleepiness, dry mouth, coughing, vomiting, and diarrhea are all common side effects.
- Although use during pregnancy appears safe, it has not been thoroughly studied, and use while breastfeeding is risky.
- It’s a second-generation antihistamine that works by blocking histamine H1 receptors.
- In the United States, levocetirizine was approved for medical use in 2007.
- It is available as a generic drug.
- With over 3 million prescriptions in 2020, it was the 179th most commonly prescribed medication in the United States.