AFAIK there are few rare occurrences where MSG can cause reactions akin to an allergy. It's not an allergy per se given that there's no immune reaction involved

AFAIK there are few rare occurrences where MSG can cause reactions akin to an allergy. It's not an allergy per se given that there's no immune reaction involved though. This phenomenon is rare but well documented, albeit not very understood. Sucks though.