Headaches and Migraines
One of the key symptoms of MSG allergy is headaches or migraines. The individual may experience throbbing pain in their head, sensitivity to light, and nausea.
Flushing
Flushing is another symptom associated with MSG allergy. This involves a feeling of warmth and reddening of the skin, particularly on the face and upper body, shortly after consuming food containing MSG.
Sweating
Excessive sweating, especially at the time of or immediately following MSG consumption, is another symptom indicating an allergic reaction to MSG.
Chest Pain
Experiencing chest pain or tightness could be an indication of an MSG allergy. This is often accompanied by shortness of breath and a rapid heartbeat.
Numbness or Tingling
Symptoms can also include numbness or tingling, particularly around the mouth and in the fingers or toes after consuming foods containing MSG. This sensation may last for several hours.
Nausea and Vomiting
Nausea and vomiting are other symptoms associated with an MSG allergy. This may occur shortly after MSG consumption and may be accompanied by abdominal cramps.