Allergic reactions to vitamin B12 are rare, but real. The reason may sound strange, but it's true - an allergy to cobalt.

A clinical trial at National Jewish Health in Denver could change the way allergies are diagnosed and managed.

Picking out a snack is easy for most people, but for those living with severe food allergies, it can cause severe anxiety.

Two-thirds of toddlers with peanut allergy who used the VIASKIN Peanut patch from DBV Technologies completed an oral food challenge at 36 months without meeting criteria for stopping, according to ...