Phenothiazine is a medication used to treat serious mental and emotional disorders. This article discusses an overdose of phenothiazine. Overdose occurs when someone accidentally or intentionally takes more than the normal or recommended amount of a certain substance.

This article is for information only, NOT for use in treating or managing an actual overdose. If you have overdosed or been exposed to poison, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

The poisonous ingredient is phenothiazine, which may be found in a variety of medications.

• Acetophenazine
• Chlorpromazine (Thorazine)
• Chlorprothixene (Taractan)
• Clozapine (Clozaril)
• Fluphenazine (Prolixin)
• Haloperidol (Haldol)
• Loxapine (Loxitane)
• Mesoridazine (Serentil)
• Molindone (Moban)
• Perphenazine (Trilafon)
• Pimozide (Orap)
• Prochlorperazine (Compazine)
• Promazine (Sparine)
• Thioridazine (Mellaril)
• Thiothixene (Navane)
• Trifluoperazine (Stelazine)
• Triflupromazine
• Promethazine (Phenergan)

Note: This list may not be all inclusive.

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Phenothiazine overdose Symptoms

Review Date: 10/07/2009
Reviewed By: Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)