A citrus allergy is rare, caused by a reaction to certain proteins found in citrus fruits like oranges, limes, and lemons. In some cases, you might have a true allergy in which citrus triggers a ...

Kiwi allergies can cause mild symptoms at first, but they can also get worse over time. Reactions may start with an itchy, tingly mouth, but later on cause stomach pains, rash, or trouble breathing.

People with a wheat allergy have an irregular immune system response to at least one of the proteins in wheat. Some common wheat allergy symptoms include hives, asthma, and nasal congestion.