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SHEET /m/meclizine · PubChem CID 4034 · CAS 569-65-3 · REV 2026.07

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Meclizine

from source

C25H27ClN2 · 390.9 g/mol

Bonadettes · Chiclida · Itinerol · Monamine

Also sold as Bonine, Dramamine Less Drowsy from source

What is Meclizine?

The antihistamine sold as Bonine and in Dramamine Less Drowsy, taken for motion sickness and vertigo. from source

CategoryOTC medicine
Chemical familyAromaticsHalogenated
LeaderboardsBiggest

Fig. 1 · 2D structure RDKit

SMILESCC1=CC(=CC=C1)CN2CCN(CC2)C(C3=CC=CC=C3)C4=CC=C(C=C4)Cl

Where you'll find it

Sold over the counter, without a prescription. Sold as Bonine, Dramamine Less Drowsy. See the rest of the otc medicine group.

Toxicity & hazards

WarningIrritantH319from source

Keep roaming

Where Meclizine leads

Relatedcomputed
Hydroxyzine50% similarBoth carry an aromatic ring and a halogen atom.Cetirizine48% similarBoth carry an aromatic ring and a halogen atom.Levocetirizine48% similarBoth carry an aromatic ring and a halogen atom.Cyclizine42% similarBoth carry an aromatic ring.

Sources & methodology

PubChem CID
4034
Wikidata
Q386441
Structure
PubChem → RDKit
Similar molecules
MoleculeFinder fingerprint similarity
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