Meclizine is the active ingredient in medications used to treat nausea, vomiting, and dizziness associated with motion sickness and vertigo [1].
What conditions does meclizine treat?
Meclizine is prescribed to alleviate symptoms of motion sickness, such as nausea and vomiting [1]. It is also used to manage vertigo, a sensation of spinning or dizziness, often related to inner ear problems [1].
How does meclizine work?
Meclizine is an antihistamine and anticholinergic medication. It works by affecting certain areas in the brain that control nausea and vomiting, as well as the vestibular system responsible for balance [1]. By blocking histamine and acetylcholine, it helps to reduce the signals that cause these symptoms.
When does patent protection for meclizine expire?
Meclizine has been available for many years, and its original patents have long since expired. This means that generic versions of meclizine are widely available [2].
Are there different forms of meclizine available?
Meclizine is commonly found in oral tablet form [1]. It is available in various strengths, typically 12.5 mg and 25 mg [1].
Who manufactures meclizine products?
Due to patent expiry, numerous pharmaceutical companies produce generic versions of meclizine. Brand names for meclizine products include Bonine and Antivert, among others [1].
What are the potential side effects of meclizine?
Common side effects associated with meclizine include drowsiness, dry mouth, and blurred vision [1]. Less frequent side effects can involve fatigue, nervousness, or coordination problems [1].
Can meclizine be used by children?
Meclizine is generally not recommended for children under a certain age without a doctor's advice, as dosages need to be carefully determined [1].
What are the alternatives to meclizine for motion sickness?
Other medications for motion sickness include dimenhydrinate and scopolamine patches. Non-pharmacological approaches like acupressure bands and ginger can also be considered [1].
How does meclizine compare to other antihistamines?
While meclizine is an antihistamine, it is often preferred for motion sickness and vertigo due to its generally lower incidence of drowsiness compared to some other first-generation antihistamines, although drowsiness can still occur [1].
Sources:
[1] Meclizine https://www.nhs.uk/medicines/meclizine/
[2] DrugPatentWatch.com https://www.drugpatentwatch.com/