Meclizine Hydrochloride
Also sold as BONINE, Meclizine Hydrochloride
Medicine summary · from official FDA labels · Oct 19, 2026
What it’s used for
Meclizine hydrochloride is indicated for the treatment of vertigo associated with diseases affecting the vestibular system in adults. Meclizine hydrochloride is indicated for the treatment of vertigo associated with diseases affecting the vestibular system in adults.
How to take it
Recommended dosage: 25 mg to 100 mg daily, in divided doses ( 2. 1 ).
Important warnings
May cause drowsiness: Use caution when driving a car or operating dangerous machinery ( 5. 1 ).
Common side effects
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.
Interactions
Coadministration of meclizine hydrochloride with other CNS depressants, including alcohol, may result in increased CNS depression ( 7.
If pregnant or breastfeeding
8.
Forms & strengths
25 MG Disintegrating Oral Tablet · 50 MG Chewable Tablet · 12.5 MG Oral Tablet · 25 MG Chewable Tablet · 25 MG Oral Tablet · 30 MG Oral Tablet · 50 MG Oral Tablet
Questions to ask your doctor or pharmacist
- Is this the right medicine for my condition, and how long should I take it?
- What side effects should I watch for, and which need urgent attention?
- Does this interact with my other medicines, supplements, or alcohol?
- What should I do if I miss a dose or take too much?