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Roy Lacoursiere, MD
Veterans Administration Hospital Topeka, Kan

JAMA. 1978;240(2):109.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

In a recent letter, Kumar (239:25, 1978) noted nausea and vomiting 24 to 48 hours after the abrupt withdrawal of thioridazine therapy. Nausea and vomiting are among the most common of the phenothiazine withdrawal symptoms and may especially be a problem for patients with gastrointestinal diseases, such as peptic ulcers. Although these symptoms can occur after abrupt withdrawal of therapy with perhaps any closely related agent, it appears that neuroleptics with more autonomic-type effects are most strongly implicated.¹ Also, the symptoms may be aggravated if therapy with antiparkinsonian agents is concomitantly and abruptly withdrawn.

It is a likely time that these effects are noted in the appropriate manufacturers' literature; this is currently being done for at least Thorazine, a trademark of chlorpromazine. . . . [Full Text PDF of this Article]

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