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Yes, food allergies can cause a stuffy nose through allergic rhinitis or cross-reactivity, though airborne triggers remain more common.

Yes—food allergies can trigger body-wide itch, but vulvar itching usually stems from local skin or vaginal causes rather than food itself.

Yes, food allergies can trigger angioedema that swells the feet or ankles, but most ankle swelling comes from fluid retention or other conditions.

Yes, food allergies can cause stomach bloating when your immune system reacts to a food protein and triggers gas and swelling in the gut.

Yes, food allergies can cause vertigo in some people, usually through histamine release or inner ear changes during an allergic reaction.

Yes, food allergies can cause vomiting when the immune system reacts to a trigger food, sometimes within minutes of eating.

Yes, food allergies can cause vomiting and diarrhea when the immune system reacts to a trigger food in the gut and sometimes the whole body.

Yes, food allergies can sometimes trigger vulvar burning through allergic skin reactions, but many other causes are more common.

No, current evidence does not show that food allergies cause ulcerative colitis, though certain foods can still spark symptoms in some people.