U.S. doctors online nowAsk doctors free
A 47-year-old member asked:

Is red dye 40 related to ppd?

1 doctor answer1 doctor weighed in
Dr. Heidi Fowler
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.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Sep 28, 2016

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.