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Yes, food allergies can make your ears itch by triggering histamine-driven inflammation in the ear canal, throat, or Eustachian tube.

Yes, food allergies can make you tired because the immune reaction, poor sleep, and digestive symptoms all drain your energy levels.

Yes, food allergies can make you throw up when your immune system reacts to a trigger food and irritates your stomach and intestines.

Yes, food allergies can make you sneeze when the immune response releases histamine in your nose and upper airways.

Yes, food allergies can make you nauseous, because nausea is a frequent digestive response to an immune reaction after eating a trigger food.

Yes, food allergies can make you itch all over, especially with hives, and full-body itching with breathing trouble needs urgent medical care.

Yes, food allergies can make you lose weight when they trigger gut symptoms, limit intake, or push you into a very restricted diet.

Yes, food allergies can make you itchy, because immune chemicals like histamine trigger hives, rashes, tingling, and swelling in the skin.

No, food allergies do not directly cause weight gain, but they can contribute indirectly through inflammation, diet limits, medicines, and poor sleep.

Yes, food allergies can make you feel sick with symptoms that range from mild discomfort to life-threatening reactions.