<s>[INST] What causes eczema? [/INST] Eczema is the result of an allergic reaction, or an immune system malfunction. The most common form of eczema is atopic dermatitis, meaning that it occurs most often in people who have allergies, such as to hay fever and asthma, and in people who have family members with similar problems. Source: NUNDA FAMILY PHARMACY. Link: https://www.nundafamilypharmacy.com/eczema-faqs.php. Field: Dermatology. Disease: Eczema </s>