Allergy To Red 40. Research has also shown a link between red 40 and hyperactive behavior in children. Symptoms are usually mild and may include hives, itching, runny nose, and vomiting.
![Food & Beverages That Contain Red Dye 40 Allergy Symptoms](https://i2.wp.com/allergy-symptoms.org/wp-content/uploads/2019/12/Food-Beverages-That-Contain-Red-Dye-40-min-583x1024.jpg)
Signs of red 40 allergic reaction include skin breakouts. The source shares that it’s a food dye made “from petroleum,” but it is approved by the fda and epa. The seriousness of an allergy can be seen in the fact that people often do not have much time to react or prepare for it.