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(RS)-hydroxyzine

Structure via PubChem · Public domain (PubChem)

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(RS)-hydroxyzine

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Also known as Hydroxyzine

Hydroxyzine, sold under the brand names Atarax and Vistaril among others, is an antihistamine medication. It is used in the treatment of itchiness, anxiety, insomnia, and nausea (including that due to motion sickness). It is used either by mouth or injection into a muscle.

Chemical data

Formula
C21H27ClN2O2
Molecular weight
374.9 g/mol
IUPAC name
2-[2-[4-[(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]ethanol
SMILES
C1CN(CCN1CCOCCO)C(C2=CC=CC=C2)C3=CC=C(C=C3)Cl
InChIKey
ZQDWXGKKHFNSQK-UHFFFAOYSA-N
XLogP
3.7
Polar surface area
35.9 Ų
H-bond donors
1
H-bond acceptors
4
Formal charge
0

via PubChem

~15 min read

Encyclopedic overview

12 sections
Contents
  • Medical uses
  • Contraindications
  • Side effects
  • Pharmacology
  • Pharmacodynamics
  • Pharmacokinetics
  • Chemistry
  • Analogues
  • Society and culture
  • Brand names
  • See also
  • References

{{Drugbox | verifiedrevid = 461774177 | image = Hydroxyzine.svg | image_class = skin-invert-image | width = 250 | alt = | image2 = Hydroxyzine-3d-sticks.png | image_class2 = bg-transparent | width2 = 250 | alt2 = | pronounce = | tradename = Atarax, Vistaril, others | Drugs.com = | MedlinePlus = a682866 | DailyMedID = Hydroxyzine | pregnancy_AU = | pregnancy_AU_comment = | pregnancy_category = | dependency_liability = Very Low | addiction_liability = None-Very Low | routes_of_administration = By mouth, intramuscular | class = First-generation antihistamine | ATC_prefix = N05 | ATC_suffix = BB01 | ATC_supplemental = | legal_AU = S4 | legal_CA = Rx-only | legal_EU = Rx-only | legal_UK = POM | legal_US = Rx-only | legal_status = SE: Rx-only

| bioavailability = Not known | protein_bound = Not known | metabolism = Liver by CYP3A4 and CYP3A5 | metabolites = Cetirizine, others | elimination_half-life = Adults: 20.0 hoursElderly: 29.3 hoursChildren: 7.1 hours | excretion = Urine, feces

Excerpted from Wikipedia’s “(RS)-hydroxyzine” article, available under the CC BY-SA 4.0 licence.

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