Does Cocoa Cause Gas?

Does Cocoa Cause Gas? Does Cocoa cause gas? Cocoa can cause allergic skin reactions and might also trigger migraine headaches. It can also cause nausea, stomach discomfort, constipation, and gas. Why does cocoa give me gas? Traditionally, chocolate has been viewed as a potential trigger for gut symptoms like pain, cramping, bloating, gas and diarrhea.