Displaying 8 results of Meclizine Impurities Meclizine is an antihistamine medication used to treat nausea, vomiting, and dizziness caused by motion sickness. However, during the manufacturing process, impurities may be introduced into the final product. These impurities can negatively affect the effectiveness and safety of the medication. Therefore, it is important to monitor and control the levels of Meclizine impurities in pharmaceutical products to ensure their quality and safety for patients.