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Definition of Thioxanthene
Medically reviewed by Min Clinic Staff | Updated: January 2026
Thioxanthene: One of a group of drugs with antipsychotic activity which act by blocking postsynaptic (after-the-nerve) receptors for dopamine (a chemical that nerves use to communicate with one another) in the brain.
Examples include: thiothixene (brand name: Navane), chlorprothixene (Remeron) and flupenthixol.