Allergen - (al-ler-gen)

Any substance that can cause an allergy

Biopsy - (bi-op-sy)

The removal of a small sample of tissue from a living body for examination and diagnostic purposes

Chronic - (chron-ic )

Being long-lasting and recurrent in nature; characterized by long standing suffering

Crust - (Crust)

A thick/hard outer layer that covers something

Flare up - (fler-up)

Intensify suddenly

Genetic - (ge-net-ic)

Occurring amongst members of a family - usually by heredity; related to genes

Hay fever - (Hay fever)

A seasonal allergic disease resulting from a reaction to pollen

Immunity - (im-mu-ni-ty )

The body system, made up of many organs and cells, which defends the body against infection, disease and foreign substances.

Inflammation - (in-flam-ma-tion )

A response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Scaling - (Scaling)

The process of scales shedding off from the skin or scalp