The package reviews the development of sensitization in the atopic individual and the development of symptoms following challenge. An examination of possible targets for therapy and a review of the drugs used in the treatment of hay fever is then made.

The package is intended for students with some understanding of basic immunology. Upon completion of the package, the student should have extended this basic knowledge to include an understanding of the immunological basis for hay fever, and the student should also be able to describe the modes of action of drugs used in the treatment of hay fever and to understand their advantages and disadvantages.