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Merck Manual
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Immunology; Allergic Disorders
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Immunology; Allergic Disorders
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Biology of the Immune System
Overview of the Immune System
Innate immunity
Acquired immunity
Immune Response
Activation
Regulation
Resolution
Geriatrics Essentials
Cellular Components of the Immune System
Antigen-Presenting Cells
Lymphocytes
B cells
T cells
Mast Cells
Natural Killer (NK) Cells
Polymorphonuclear Leukocytes
Neutrophils
Eosinophils
Basophils
Molecular Components of the Immune System
Acute Phase Reactants
Antibodies
Antibody structure
Antibody classes
Antibodies reference
Cytokines
Chemokines
Colony-stimulating factors
Interferons (IFNs)
Interleukins (ILs)
Transforming growth factors (TGF)
Tumor necrosis factors (TNFs)
Cytokines references
Human Leukocyte Antigen (HLA) System
Complement System
Complement activation
Complement deficiencies and defects
Biologic activities of complement
Immunotherapeutics
Monoclonal antibodies
Fusion proteins
Soluble cytokine receptors
Recombinant cytokines
Small-molecule mimetics
Cellular therapies
Allergic, Autoimmune, and Other Hypersensitivity Disorders
Overview of Allergic and Atopic Disorders
Classification of Hypersensitivity Reactions
Type I hypersensitivity reactions
Type II hypersensitivity reactions
Type III hypersensitivity reactions
Type IV hypersensitivity reactions
Etiology
Allergens
Pathophysiology
Symptoms and Signs
Diagnosis
Nonspecific tests
Specific tests
Diagnosis reference
Treatment
Emergency treatment
Environmental control
Antihistamines
Mast cell stabilizers
Anti-inflammatory medications
Other medications
Immunotherapy
Allergy treatment during pregnancy and breastfeeding
Treatment references
Prevention
Key Points
More Information
Allergic Rhinitis
Symptoms and Signs
Diagnosis
Diagnosis reference
Treatment
Prevention
Avoidance of triggers
Desensitization
Key Points
Anaphylaxis
General reference
Etiology
Pathophysiology
Anaphylactoid reactions
Symptoms and Signs
Diagnosis
Treatment
Epinephrine
Other treatments
Treatment references
Prevention
Key Points
Angioedema
Acute angioedema
Chronic angioedema
Hereditary and acquired angioedema
References
Symptoms and Signs
Diagnosis
Treatment
Key Points
Hereditary and Acquired C1 Inhibitor Deficiency
Hereditary angioedema
Acquired C1 inhibitor deficiency
Triggers
General reference
Symptoms and Signs
Diagnosis
Diagnosis reference
Treatment
Treatment references
Prevention
Long-term prophylaxis
Short-term prophylaxis
Prevention reference
Key Points
Autoimmune Disorders
Mechanisms
Genetic factors
Defense mechanisms
Reference
Drug Hypersensitivity
Pathophysiology
Pathophysiology references
Symptoms and Signs
Diagnosis
Skin testing
Other testing
Diagnosis references
Treatment
Desensitization
Treatment references
Prognosis
Prognosis reference
Key Points
Food Allergy
General reference
Etiology
Oral allergy syndrome (pollen food allergy syndrome)
Eosinophilic gastroenteropathy
Alpha-gal syndrome
Etiology references
Symptoms and Signs
Diagnosis
Treatment
Immunotherapy for desensitization
Monoclonal antibodies
Treatment references
Prevention
Prevention references
Key Points
More Information
Mastocytosis and Mast Cell Activation Syndrome
Classification
Cutaneous mastocytosis
Systemic mastocytosis
Mast cell activation syndrome
Classification reference
Symptoms and Signs
Diagnosis
Systemic mastocytosis
Mast cell activation syndrome
Diagnosis references
Treatment
Cutaneous mastocytosis
Systemic mastocytosis
Mast cell activation syndrome
Treatment references
Key Points
Immunodeficiency Disorders
Overview of Immunodeficiency Disorders
Primary Immunodeficiencies
Humoral immunity deficiencies
Cellular immunity deficiencies
Combined humoral and cellular immunity deficiencies
Phagocytic cell defects
Complement deficiencies
Primary immunodeficiency references
Secondary Immunodeficiencies
Geriatrics Essentials
Key Points
Approach to the Patient With Suspected Immunodeficiency
Manifestations of immunodeficiency
Evaluation
History
Physical examination
Initial testing
Additional testing
Prenatal and neonatal diagnosis
Evaluation references
Treatment
Infection prevention
Management of acute infection
Replacement of missing immune components
Investigational therapy
Treatment references
Prognosis
Key Points
Ataxia-Telangiectasia
General reference
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Treatment references
Key Points
Chédiak-Higashi Syndrome
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Chronic Granulomatous Disease (CGD)
Symptoms and Signs
Symptoms and signs reference
Diagnosis
Treatment
Treatment references
Key Points
Chronic Mucocutaneous Candidiasis
Symptoms and Signs
Diagnosis
Treatment
Key Points
Common Variable Immunodeficiency (CVID)
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
DiGeorge Syndrome
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Hyper-IgE Syndrome
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Hyper-IgM Syndrome
X-linked hyper-IgM syndrome
Autosomal recessive hyper-IgM syndrome
Diagnosis
Treatment
Treatment reference
Selective IgA Deficiency
General references
Symptoms and Signs
Diagnosis
Diagnosis reference
Treatment
Prognosis
Key Points
Leukocyte Adhesion Deficiency
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Selective Antibody Deficiency With Normal Immunoglobulins (SADNI)
General reference
Diagnosis
Diagnosis reference
Treatment
Severe Combined Immunodeficiency (SCID)
Symptoms and Signs
Diagnosis
Diagnosis reference
Treatment
Treatment references
Key Points
Transient Hypogammaglobulinemia of Infancy
Wiskott-Aldrich Syndrome
General reference
Symptoms and Signs
Diagnosis
Treatment
Treatment references
X-linked Agammaglobulinemia
Diagnosis
Treatment
Treatment references
X-linked Lymphoproliferative Syndrome
Symptoms and Signs
Diagnosis
Treatment
Treatment references
ZAP-70 Deficiency
Diagnosis
Treatment
Transplantation
Overview of Transplantation
Graft rejection and graft-vs-host disease
Organ allocation
Pretransplantation Screening
Tissue compatibility
Infection
Recipient contraindications to transplantation
Posttransplantation Immunosuppression
Corticosteroids
Calcineurin inhibitors
Purine metabolism inhibitors
Rapamycins
Immunosuppressive immunoglobulins
Monoclonal antibodies (mAbs)
Other drugs
Irradiation
Future therapies
Posttransplantation Complications
Rejection
Infection
Renal disorders
Cancer
Other complications
More Information
Heart Transplantation
Bridge and destination ventricular assist devices (VADs)
Procedure
Complications
Rejection
Cardiac allograft vasculopathy
Prognosis
Hematopoietic Stem Cell Transplantation
Procedure
Conditioning regimens
Posttransplantation
Complications
Early complications
Later complications
Prognosis
Kidney Transplantation
Kidney donors
Procedure
Complications
Rejection
Chronic allograft nephropathy
Cancer
Prognosis
Liver Transplantation
Liver donors
Organ distribution
Procedure
Complications
Rejection
Hepatitis recurrence after transplantation
Other complications
Prognosis
Lung and Heart-Lung Transplantation
Lung donors
Heart donors
Timing of transplantation referral
Procedure
Single lung transplantation
Double lung transplantation
Heart-lung transplantation
Immunosuppression
Complications
Rejection
Surgical complications
Prognosis
Pancreas Transplantation
Pancreas donors
Procedure
Complications
Rejection
Other complications
Prognosis
Pancreatic Islet Cell Transplantation
Procedure
Complications
Prognosis
Small-Bowel Transplantation
Procedure
Complications
Rejection
Other complications
Prognosis
Tissue Transplantation
Composite Transplantation (Hand, Extremity, Face)
Skin grafts
Skin autografts
Skin allografts
Cartilage Transplantation
Bone Transplantation
Adrenal Autografting
Thymus Implants
Uterine transplants