Article · Wikipedia archive · Last revised Jul 4, 2026

Thenalidine

Thenalidine is an antihistamine with anticholinergic properties used as an antipruritic drug. It was withdrawn from the US, Canadian, and UK markets in 1963 due to a risk of neutropenia.

Last revised
Jul 4, 2026
Read time
≈ 1 min
Length
101 w
Citations
2
Source
Thenalidine
Clinical data
ATC code
Identifiers
  • 1-Methyl-N-phenyl-N-(2-thienylmethyl)piperidin-4-amine
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
CompTox Dashboard (EPA)
ECHA InfoCard100.001.501
Chemical and physical data
FormulaC17H22N2S
Molar mass286.44 g·mol−1
3D model (JSmol)
  • s1c(ccc1)CN(c2ccccc2)C3CCN(C)CC3
  • InChI=1S/C17H22N2S/c1-18-11-9-16(10-12-18)19(14-17-8-5-13-20-17)15-6-3-2-4-7-15/h2-8,13,16H,9-12,14H2,1H3 X markN
  • Key:KLOHYVOVXOUKQI-UHFFFAOYSA-N X markN
 X markNcheckY (what is this?)  (verify)

Thenalidine is an antihistamine with anticholinergic properties used as an antipruritic drug.1 It was withdrawn from the US, Canadian, and UK markets in 1963 due to a risk of neutropenia.2

References

References

  1. Getzler NA, Ereaux LP (March 1959). "Evaluation of thenalidine tratrate (sandostene) in dermatological disorders". Canadian Medical Association Journal. 80 (6): 445–8. PMC 1830689. PMID 13629433.
  2. "Thenalidine". DrugBank.