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Yes, food allergies can link to lymph node swelling, but infections and other illnesses cause this far more often.

Yes, food allergies can cause itchy skin through hives, rashes, or eczema flares when your immune system reacts to certain foods.

Yes, food allergies can affect the liver in rare cases, usually through strong immune reactions, severe attacks, or allergy-linked conditions.

Yes, food allergies can cause lips to swell when the immune system reacts to a food and releases histamine into the lip tissues.

Yes, food allergies can cause lightheadedness when they trigger low blood pressure, breathing problems, or strong histamine release.

Yes, food allergies can trigger joint inflammation in some people, mainly through immune-driven inflammation and related gut issues.

Yes, food allergies can lead to leg swelling during broad allergic reactions, but sudden or one-sided swelling often comes from other medical causes.

Yes, food allergies can trigger an itchy scalp, but other skin and scalp conditions often play a bigger part and need careful checking.

Yes, food allergies can trigger intestinal inflammation when the immune system reacts to specific food proteins in the gut.

Yes, food allergies can cause itching on the skin, in the mouth, and in other areas when your immune system reacts to certain foods.