Covers allergies, defined as hypersensitivity to the immune system, and immune disorders, which are dysfunctions of the immune system classified as different from allergies based on immune system disorders. Entries explore allergies to common allergens, like pollen and certain foods, as well as a variety of immune disorders, such as lupus and rheumatoid arthritis. Coverage includes causes, prevalence, and treatments. -- Provided by publisher.

Immune System. Antibodies ; B-Lymphocytes ; Endocrine disorders ; Endocrinology ; Endocrinology, pediatric ; Home Health ; Host-defense mechanisms ; Hybridomas and monoclonal antibodies ; Immune response ; Immune response to bacterial infections ; Immune response to fungal infections ; Immune response to viral infections ; Immunization and infectious disease ; Immunology ; Immunopathology ; Inflammation ; Metchnikoff advances the cellular theory of immunity ; Neutrophil ; Rheumatology ; T Lymphocytes ; Vaccine types -- Immune System and Genetics. Agammaglobulinemia and genetics ; Allergies and genetics ; Antibodies and genetics ; Genetic diseases ; Immunogenetics -- Allergies. Allergic bronchopulmonary aspergillosis ; Allergies ; Allergist and immunologist ; Bites and stings ; Coughing ; Dermatitis ; Ear infections and disorders ; Eosinophilic esophagitis ; Food allergies ; Food allergy testing panels ; Hay fever ; Hives ; Itching ; Mold and mildew ; Prevention of viral infections -- Immune System Diseases. Immune Deficiencies. Acquired immunodeficiency syndrome (AIDS) ; Human immunodeficiency virus (HIV) ; HIV/AIDS-related cancers ; Kaposi's sarcoma ; Kawasaki disease ; Leukemia ; Leukopenia ; Lymphocytosis ; éMnïre's disease ; Metabolic disorders ; Neutropenia ; Purine nucleoside phosphorylase (PNP) deficiency ; Severe combined immunodeficiency syndrome (SCID) ; T-cell immunodeficiency syndrome -- Autoimmune Diseases. Addison's disease ; Autoimmune disorders ; Autoimmune polyglandular syndrome ; Congenital hypothyroidism ; Crohn's disease ; Cushing's syndrome ; Diabetes mellitus ; Eczema ; Graft-versus-host disease (GVHD) ; Guillain-Barér syndrome ; Hashimoto's thyroiditis ; Histiocytosis ; Hyperthyroidism ; Idiopathic thrombocytopenic purpura ; Juvenile idiopathic arthritis ; Multiple sclerosis ; Myasthenia gravis ; Myositis ; Psoriasis and psoriatic arthritis ; Rheumatoid arthritis ; Söjgren's syndrome ; Spondylitis ; Systemic lupus erythematosus (SLE) ; Thyroid disorders ; Ulcerative colitis ; Uveitis ; Vasculitis ; Vitiligo -- Diseases. Anemia ; Blood and blood disorders ; Coronavirus infections ; COVID-19 disease ; Cytomegalovirus (CMV) ; Epstein-Barr virus ; Goiter ; Impetigo ; Influenza ; Insect-borne diseases ; Measles ; Nasopharyngeal disorders ; Osteoarthritis ; Rashes ; Rhinitis ; Rhinoviruses ; Roseola ; Shingles ; Sinusitis ; Skin disorders -- Medications. Prescription Medications. Anti-inflammatory drugs ; Antihistamines ; Antiviral drugs: Mechanisms of action ; Antiviral drugs: Types ; Biological therapies ; Corticosteroids ; Decongestants ; Immunotherapy ; Sublingual immunotherapy ; Theophylline -- Natural Products, Herbal Supplements, and Other Alternatives. Idiopathic environmental intolerances ; Immune support ; Natural treatments for allergies ; Natural treatments for asthma ; Natural treatments for lupus ; Natural treatments for rheumatoid arthritis.