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A 47-year-old member asked:

Is red dye 40 related to ppd?

1 doctor answer • 1 doctor weighed in
Dr. Heidi Fowler
Dr. Heidi Fowleranswered
Psychiatry 27 years experience
Red Dye #40: & Pervasive Developmental Disorder ?? Not sure. Red #40 (Allura Red) is the most frequently used dye. There are concerns that it may be linked to hyperactivity, ADHD & autism spectrum disorders. There is also possibility of hypersensitivity Rxn's. This merits further study.
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Last updated Sep 28, 2016

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