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SHEET /m/cyclizine · PubChem CID 6726 · CAS 82-92-8 · REV 2026.07

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Cyclizine

from source

C18H22N2 · 266.4 g/mol

Nautazine · Neo-devomit

Also sold as Marezine from source

What is Cyclizine?

An antihistamine used for motion sickness and nausea, sold as Marezine and included in some travel sickness tablets. from source

CategoryOTC medicine
Chemical familyAromatics
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Fig. 1 · 2D structure RDKit

SMILESCN1CCN(CC1)C(C2=CC=CC=C2)C3=CC=CC=C3

Where you'll find it

Sold over the counter, without a prescription. Sold as Marezine. See the rest of the otc medicine group.

Toxicity & hazards

DangerToxicIrritantH301, H315, H319, H335from source

Keep roaming

Where Cyclizine leads

Relatedcomputed
Hydroxyzine43% similarBoth carry an aromatic ring.Meclizine42% similarBoth carry an aromatic ring.Cetirizine41% similarBoth carry an aromatic ring.Levocetirizine41% similarBoth carry an aromatic ring.

Sources & methodology

PubChem CID
6726
Wikidata
Q867308
Structure
PubChem → RDKit
Similar molecules
MoleculeFinder fingerprint similarity
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