Meclizine, an FDA-approved drug, is a first-generation antihistamine used for the symptomatic management of motion sickness. These symptoms include dizziness, nausea, and vomiting. Meclizine also treats vertigo symptoms caused by vestibular diseases commonly affecting the inner ear, such as Meniere disease. It works by blocking histamine and acetylcholine receptors in the brain, helping reduce symptoms associated with both motion sickness and inner ear disorders. Meclizine is commonly administered in tablet form and is often prescribed in doses of 12.5 to 25 mg, depending on symptom severity. It is marketed under several brand names, including Antivert and Bonine, and is available as a generic over-the-counter medication.
Parent: Meclizine
Parent: Cetirizine / Meclizine
Parent: Meclizine/ Meclizine Dihydrochloride Hydrate
Parent: Meclizine
Parent: Meclizine
Parent: Meclizine
Parent: Meclizine
Parent: Cetirizine / Meclizine / Levocloperastine / Meclozine
During the production and storage of Meclizine, impurities may form, which must be controlled to ensure the drug’s safety and efficacy. Regulatory authorities, such as the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA), set guidelines on permissible impurity levels in Meclizine formulations.
Meclizine helps relieve symptoms of motion sickness and vertigo by blocking histamine and acetylcholine receptors in the brain. This action reduces dizziness, nausea, and vomiting associated with these conditions.
Yes, Meclizine can cause drowsiness as a side effect, particularly at doses of 25 mg or higher. Patients are advised to avoid driving or operating heavy machinery after taking Meclizine due to the potential for drowsiness.
Meclizine is considered high-risk, especially in older adults, due to its sedative properties, which can increase the risk of falls and confusion. It may also cause anticholinergic effects, which can impact cognitive function, especially with long-term use.
Dramamine and Meclizine are similar but not identical. Dramamine (original formulation) contains dimenhydrinate, another antihistamine, while some formulations of Dramamine, such as Dramamine Less Drowsy, contain Meclizine. Both medications are used for motion sickness, but they have different active ingredients in their standard formulations.
