A patient thought that his recent consumption of cranberries exacerbated his eczema. Though allergies to cranberries are highly uncommon, they are associated with immediate type hypersensitivity (hives), but not eczema.
If you are allergic, the best way to treat a cranberry allergy is to avoid cranberry products altogether. Make sure the ingredient list and nutrition facts on all products you consume don’t contain cranberry or traces of cranberry.
REFERENCES:
Cranberry Allergy Rash. LIVESTRONG.COM. http://www.livestrong.com/article/545907-cranberry-allergy-rash/. Published 2015. Accessed June 29, 2016.