Mayo Clinic Care Network Content
Definitions

Tree nut allergy


Overview

Tree nut allergy is a potentially life-threatening allergy to nuts that grow on trees. These include walnuts, pecans, almonds, and cashews.

Symptoms

Hives, breathing difficulty, weak pulse, and nausea are some symptoms.

Treatments

A severe reaction needs emergency care. Treatment may include adrenaline (epinephrine) injection and antihistamine drugs.