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Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-.

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Drugs and Lactation Database (LactMed) [Internet].

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Thiothixene

Last Revision: October 31, 2018.

Estimated reading time: 1 minute

CASRN: 5591-45-7

Chemical structure

Drug Levels and Effects

Summary of Use during Lactation

Because there is no published experience with thiothixene during breastfeeding, other antipsychotic agents are preferred.

Drug Levels

Maternal Levels. Relevant published information was not found as of the revision date.

Infant Levels. Relevant published information was not found as of the revision date.

Effects in Breastfed Infants

Relevant published information was not found as of the revision date.

Effects on Lactation and Breastmilk

Thiothixene has caused galactorrhea.[1] Hyperprolactinemia appears to be the cause of the galactorrhea.[2][3][4] The hyperprolactinemia is caused by the drug's dopamine-blocking action in the tuberoinfundibular pathway.[5] The prolactin level in a mother with established lactation may not affect her ability to breastfeed.

Alternate Drugs to Consider

Haloperidol, Olanzapine, Risperidone

References

1.
Kahn JL. More on galactorrhea associated with molindone. Am J Psychiatry. 1979;136:1617-8. Letter. [PubMed: 574364]
2.
Turkington RW. Prolactin secretion in patients treated with various drugs: phenothiazines, tricyclic antidepressants, reserpine, and methyldopa. Arch Intern Med. 1972;130:349-54. [PubMed: 4560178]
3.
Turkington RW. Serum prolactin levels in patients with gynecomastia. J Clin Endocrinol Metab. 1972;34:62-6. [PubMed: 5061776]
4.
Meltzer HY, Fang VS. The effect of neuroleptics on serum prolactin in schizophrenic patients. Arch Gen Psychiatry. 1976;33:279-86. [PubMed: 1259521]
5.
Maguire GA. Prolactin elevation with antipsychotic medications: mechanisms of action and clinical consequences. J Clin Psychiatry. 2002;63(suppl 4):56-62. [PubMed: 11913677]

Substance Identification

Substance Name

Thiothixene

CAS Registry Number

5591-45-7

Drug Class

  • Breast Feeding
  • Antipsychotic Agents
  • Thioxanthines

Disclaimer: Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

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