Is there an allergy to decaf coffee?

Here's why:

* Decaffeination processes: Decaf coffee is made by removing caffeine from coffee beans. The methods used to do this (like water processing, solvent extraction, or supercritical CO2) don't usually remove the proteins and other compounds that can cause allergies.

* Similar allergens: The allergens in coffee beans are likely the same whether the beans are caffeinated or decaffeinated.

* Individual reactions: Some people might experience sensitivities to certain components of coffee beans, like the chlorogenic acid, that are present in both caffeinated and decaf coffee. These reactions are more likely to be intolerances or sensitivities rather than true allergies.

If you experience symptoms after drinking decaf coffee, it's important to talk to your doctor or an allergist to determine the cause. They can help you identify if it's a true allergy or another type of reaction.