Mental Health Home > Thorazine Dosage

The recommended Thorazine dosage for the treatment of schizophrenia or mania is 10 mg three or four times daily or 25 mg two or three times daily. For severe nausea and vomiting, the suggested starting Thorazine dose is 10 mg to 25 mg every four to six hours. Thorazine dosing for children will vary depending on the child's weight and the condition being treated.

An Introduction to Thorazine Dosage

The dose of Thorazine® (chlorpromazine hydrochloride) that your healthcare provider recommends will vary depending on a number of factors, including:
  • The medical condition being treated
  • Your age and weight
  • Other medical conditions you may have
  • Other medications you may be currently taking.
As always, do not adjust your Thorazine dosage unless your healthcare provider specifically instructs you to do so.
Thorazine Dosing for Schizophrenia or Mania
The recommended starting Thorazine dose for schizophrenia or mania is 10 mg three or four times daily or 25 mg two or three times a day. If your schizophrenia is especially severe (and you are hospitalized), your healthcare provider may choose to start you at a higher dose. If necessary, your healthcare provider may increase your Thorazine dose.
Thorazine Dosing for Nausea and Vomiting
The recommended dose of Thorazine for severe nausea and vomiting is 10 mg to 25 mg every four to six hours as needed.
Pre-Surgical Thorazine Dosing
The recommended Thorazine dose for the relief of restlessness or worry before a surgery is 25 mg to 50 mg taken two or three hours before the surgery.
Thorazine Dosing for Acute Intermittent Porphyria
The recommended dose of Thorazine for acute intermittent porphyria is 25 mg to 50 mg three or four times a day. Most people will be able to stop taking Thorazine after several weeks, though some need to take it long-term.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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