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Thioridazine
  • Treatments
  • Schizophrenia

Thioridazine

Generic name: thioridazine [ THYE-oh-RID-a-zeen ]
Brand names: Mellaril, Mellaril-S
Dosage form: oral tablet (10 mg; 100 mg; 25 mg; 50 mg)
Drug class:Phenothiazine antipsychotics

Medically reviewed by Drugs.com on Apr 14, 2022. Written by Cerner Multum.

What is thioridazine?

Thioridazine is a phenothiazine (FEEN-oh-THYE-a-zeen) antipsychotic medicine that is used to treat schizophrenia.

Thioridazine is usually given after other treatments have failed.

Thioridazine may also be used for purposes not listed in this medication guide.

Warnings

You should not use thioridazine if you have a heart rhythm disorder, a history of long QT syndrome, untreated or uncontrolled high blood pressure, very low blood pressure, or if you have drowsiness, slow breathing, weak pulse, or decreased alertness.

Thioridazine is not approved for use in older adults with dementia-related psychosis.

Thioridazine can cause a serious heart problem, especially if you also use certain other medicines for infections, asthma, heart problems, high blood pressure, depression, mental illness, cancer, malaria, or HIV. Tell your doctor about all your current medicines and any you start or stop using.

Before taking this medicine

You should not use thioridazine if you are allergic to it, or if you have:

  • heart problems...