Tree nut allergy

An allergy to nuts that grow on trees.

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

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

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