Meclizine

Prescription

Nama merek: MECLIZINE HYDROCHLORIDE

Bentuk Sediaan

Tablet

Rute Pemberian

ORAL

Produsen

NCS HealthCare of KY, LLC dba Vangard Labs

About This Medication

11 DESCRIPTION Meclizine hydrochloride, USP a histamine (H1) receptor antagonist, is a white to slight yellowish crystalline powder. It has the following structural formula: Chemically, meclizine hydrochloride is 1-( p -Chloro-α-phenylbenzyl)-4-( m -methylbenzyl) piperazine dihydrochloride monohydrate. Tablets: Inactive ingredients for the tablets are: anhydrous lactose, colloidal silicon dioxide, crospovidone, magnesium stearate and microcrystalline cellulose. Each meclizine hydrochloride 12.5 mg tablet contains 12.5 mg of meclizine dihydrochloride equivalent to 10.53 mg of meclizine free base. Each meclizine hydrochloride 25 mg tablet contains 25 mg of meclizine dihydrochloride equivalent to 21.07 mg of meclizine free base. Each meclizine hydrochloride 50 mg tablet contains 50 mg of meclizine dihydrochloride equivalent to 42.14 mg of meclizine free base. Chemical Structure

Bahan Aktif

Bahan	Kekuatan
Meclizine Hydrochloride	-

Indikasi & Penggunaan

1 INDICATIONS AND USAGE Meclizine hydrochloride tablets are indicated for the treatment of vertigo associated with diseases affecting the vestibular system in adults. Meclizine hydrochloride tablets are indicated for the treatment of vertigo associated with diseases affecting the vestibular system in adults ( 1 ).

Cara kerja

12.1 Mechanism of Action The precise mechanism by which meclizine exerts its therapeutic effect is unknown but is presumed to involve antagonism of the histamine H1 receptor.

Dosis & Cara Pemberian

2 DOSAGE AND ADMINISTRATION Recommended dosage: 25 mg to 100 mg daily, in divided doses ( 2.1 ). Tablets: Swallow whole ( 2.2 ). 2.1 Recommended Dosage The recommended dosage is 25 mg to 100 mg daily administered orally, in divided doses, depending upon clinical response. 2.2 Administration Instructions Tablets: Meclizine hydrochloride tablets must be swallowed whole.

Side Effects Overview

6 ADVERSE REACTIONS The following adverse reactions associated with the use of meclizine hydrochloride were identified in clinical studies or postmarketing reports. Because some of these reactions were reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Anaphylactic reaction, drowsiness, dry mouth, headache, fatigue, and vomiting. On rare occasions blurred vision has been reported. Common adverse reactions are anaphylactic reaction, drowsiness, dry mouth, headache, fatigue, and vomiting. On rare occasions blurred vision has been reported ( 6 ). To report SUSPECTED ADVERSE REACTIONS, contact Aurobindo Pharma USA, Inc. at 1-866-850-2876 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Peringatan & Tindakan Pencegahan

5 WARNINGS AND PRECAUTIONS May cause drowsiness: Use caution when driving a car or operating dangerous machinery ( 5.1 ). Potential anticholinergic action: this drug should be prescribed with care to patients with a history of asthma, glaucoma, or enlargement of the prostate gland ( 5.2 ). 5.1 Drowsiness Since drowsiness may occur with use of meclizine hydrochloride tablets, patients should be warned of this possibility and cautioned against driving a car or operating dangerous machinery. Patients should avoid alcoholic beverages while taking meclizine hydrochloride tablets [see Drug Interactions (7.1) ] . 5.2 Concurrent Medical Conditions Because of its potential anticholinergic action, meclizine hydrochloride tablets should be used with caution in patients with asthma, glaucoma, or enlargement of the prostate gland.

Kontraindikasi

4 CONTRAINDICATIONS Meclizine hydrochloride tablets are contraindicated in patients with a hypersensitivity to meclizine or any of the inactive ingredients [see Adverse Reactions (6) and Description (11) ]. Meclizine hydrochloride tablets are contraindicated in patients with hypersensitivity to meclizine or any of the inactive ingredients ( 4 ).

Farmakokinetik

12.3 Pharmacokinetics The available pharmacokinetic information for meclizine following oral administration has been summarized from published literature. Absorption: Meclizine is absorbed after oral administration with maximum plasma concentrations reaching at a median T max value of 3 hours post-dose (range: 1.5 to 6 hours) for the tablet dosage form. Distribution: Drug distribution characteristics for meclizine in humans are unknown. Elimination: Meclizine has a plasma elimination half-life of about 5 to 6 hours in humans. Metabolism: In an in vitro metabolic study using human hepatic microsome and recombinant CYP enzyme, CYP2D6 was found to be the dominant enzyme for metabolism of meclizine.

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Sumber: openfda

Terakhir diperbarui: 2026-03-19

Frequently Asked Questions

1 INDICATIONS AND USAGE Meclizine hydrochloride tablets are indicated for the treatment of vertigo associated with diseases affecting the vestibular system in adults. Meclizine hydrochloride tablets are indicated for the treatment of vertigo associated with diseases affecting the vestibular system in adults ( 1 ).

2 DOSAGE AND ADMINISTRATION Recommended dosage: 25 mg to 100 mg daily, in divided doses ( 2.1 ). Tablets: Swallow whole ( 2.2 ). 2.1 Recommended Dosage The recommended dosage is 25 mg to 100 mg daily administered orally, in divided doses, depending upon clinical response. 2.2 Administration Instructions Tablets: Meclizine hydrochloride tablets must be swallowed whole.

5 WARNINGS AND PRECAUTIONS May cause drowsiness: Use caution when driving a car or operating dangerous machinery ( 5.1 ). Potential anticholinergic action: this drug should be prescribed with care to patients with a history of asthma, glaucoma, or enlargement of the prostate gland ( 5.2 ). 5.1 Drowsiness Since drowsiness may occur with use of meclizine hydrochloride tablets, patients should be warned of this possibility and cautioned against driving a car or operating dangerous machinery. Patients should avoid alcoholic …

4 CONTRAINDICATIONS Meclizine hydrochloride tablets are contraindicated in patients with a hypersensitivity to meclizine or any of the inactive ingredients [see Adverse Reactions (6) and Description (11) ]. Meclizine hydrochloride tablets are contraindicated in patients with hypersensitivity to meclizine or any of the inactive ingredients ( 4 ).

Meclizine is a prescription medication. You will need a valid prescription from a licensed healthcare provider.

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References & Data Sources

• DailyMed — Meclizine drug label (National Library of Medicine)
• openFDA — Meclizine label data (U.S. Food & Drug Administration)
• RxNorm — RXCUI 995624 (NLM Normalized Drug Names)
• NDC Directory — Meclizine (FDA National Drug Code)

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Sumber data: DailyMed (NLM), openFDA, MFDS