Can you be allergic to jelly?

Jelly allergy is relatively rare, but it is possible to be allergic to some of the ingredients found in jelly, such as fruit juices, thickeners, and preservatives. Symptoms can include hives, skin rashes, swelling of the face, lips, tongue, and throat, difficulty breathing, and anaphylaxis. If you think you may be allergic to jelly, it is important to see an allergist for diagnosis and treatment.