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To the Editor:—
In connection with a recent report of many cases of intestinal irritation from the use of karaya gum, I would say that I recently saw a patient who suddenly began to have three severe attacks of migraine in a week. When it was found that these attacks of headache started when she began to use a gummy laxative, this use was stopped and that was the end of the headaches.
Alvarez WC. SENSITIVITY TO KARAYA GUM. JAMA. 1940;114(13):1284. doi:10.1001/jama.1940.02810130146021
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