Chlorpromazine Brand Name
The original and most recognized brand name for chlorpromazine is Thorazine. 1, 2
Brand Name Information
Thorazine was the trade name under which chlorpromazine was originally marketed and became widely known in clinical practice 2
Generic chlorpromazine has been demonstrated to be clinically equivalent to the brand-name Thorazine in controlled studies of acute schizophrenic patients, with no clinically significant differences in efficacy 2
The patent for chlorpromazine has expired, making generic formulations widely available and clinically interchangeable with the original brand-name product 2
Current Availability
Chlorpromazine is now primarily available as a generic medication in multiple tablet strengths: 10 mg, 25 mg, 50 mg, 100 mg, and 200 mg 1
The generic formulations are manufactured by various pharmaceutical companies, with current FDA-approved versions distributed by Sun Pharmaceutical Industries, Inc. 1
The 100 mg and 200 mg strengths are specifically designated for use only in severe neuropsychiatric conditions 1