| I.V. |
| Iatrogenic Cushing syndrome |
| IBS |
| Ibuprofen overdose |
| IC |
| ICD |
| Ichthyosis vulgaris |
| ICP |
| ICP monitoring |
| ICSH |
| Icterohemorrhagic fever |
| Icterus |
| Icterus intermittens juvenilis |
| Ideational apraxia |
| Ideomotor apraxia |
| Idiopathic aplastic anemia |
| Idiopathic autoimmune hemolytic anemia |
| Idiopathic diffuse interstitial pulmonary fibrosis |
| Idiopathic fibrous hyperplasia |
| Idiopathic hypercalciuria |
| Idiopathic hypersomnia |
| Idiopathic hypertrophic subaortic stenosis |
| Idiopathic intestinal pseudo-obstruction |
| Idiopathic intracranial hypertension |
| Idiopathic myelofibrosis |
| Idiopathic nephrotic syndrome of childhood |
| Idiopathic or primary livedo reticularis |
| Idiopathic orbital inflammatory syndrome (IOIS) |
| Idiopathic peripheral facial palsy |
| Idiopathic pulmonary arterial hypertension |
| Idiopathic pulmonary fibrosis |
| Idiopathic pulmonary pneumonitis (IPP) |
| Idiopathic retroperitoneal fibrosis |
| Idiopathic rhinitis |
| Idiopathic thrombocytopenic purpura (ITP) |
| IDM |
| IEP – serum |
| IEP – urine |
| IgA deficiency |
| IgA nephropathy |
| IHSS |
| Ileitis |
| Ileus |
| Iliac crest tap |
| Illicit drug abuse |
| Imipramine overdose |
| Immature teratoma |
| Immune dysfunction syndrome |
| Immune hemolytic anemia |
| Immune hemolytic anemia secondary to drugs |
| Immune response |
| Immune thrombocytopenic purpura |
| Immunity |
| Immunization – diphtheria |
| Immunization – hepatitis A |
| Immunization – hepatitis B |
| Immunization – influenza |
| Immunization – pertussis |
| Immunization – pneumovax |
| Immunization – tetanus |
| Immunizations – general overview |
| Immunodeficiency disorders |
| Immunoelectrophoresis – serum |
| Immunoelectrophoresis – urine |
| Immunofixation – serum |
| Immunofixation – urine |
| Immunoglobulin electrophoresis – serum |
| Immunoglobulin electrophoresis – urine |
| Immunoglobulin light chains – urine |
| Immunoreactive trypsin |
| Immunoreactive trypsinogen |
| Immunosuppression |
| Impacted tooth |
| Impaction of the bowels |
| Impaired memory |
| Impaired swallowing |
| Impaired vision |
| Impairment of speech |
| Imperforate anus |
| Imperforate anus repair |
| Impetigo |
| Implantable cardioverter-defibrillator |
| Impotence |
| Impotence and age |
| Impotence caused by medications |
| In vitro fertilization (IVF) |
| Inability to conceive |
| Inability to make gestures and perform certain tasks |
| Inability to sleep |
| Inability to speak |
| Inactivated polio vaccine (IPV) |
| Inadequate luteal phase |
| Inborn errors of metabolism |
| Incense |
| Incest – resources |
| Incidence |
| Inclusion cyst |
| Incomplete abortion |
| Incomplete male pseudohermaphroditism |
| Incomplete protein |
| Inconsolability |
| Incontinence – bowel |
| Incontinence – resources |
| Incontinence – stool |
| Incontinence – stress |
| Incontinence – urge |
| Incontinence – urinary |
| Incontinence devices |
| Incontinentia pigmenti |
| Incontinentia pigmenti achromians |
| Incoordination and irregularity of voluntary movements |
| Increased appetite |
| Increased head circumference |
| Increased intracranial pressure |
| Increased thirst |
| Increased-permeability pulmonary edema |
| India rubber skin |
| Indian turnip poisoning |
| Indigestion |
| Indirect antiglobulin test |
| Indirect bilirubin |
| Indocin |
| Indomethacin overdose |
| Indoor allergies |
| Induration |
| Industrial bronchitis |
| Inevitable abortion |
| Infant – lack of interest in feeding |
| Infant – newborn development |
| Infant botulism |
| Infant formulas |
| Infant of a substance-abusing mother |
| Infant of diabetic mother |
| Infant reflexes |
| Infant respiratory distress syndrome (IRDS) |
| Infant screening tests |
| Infant skin characteristics |
| Infant test/procedure preparation |
| Infantile colic |
| Infantile eczema |
| Infantile hemangioendothelioma |
| Infantile paralysis |
| Infantile polyarteritis |
| Infected Bartholin’s gland |
| Infected miscarriage |
| Infection – breast tissue |
| Infection – ear |
| Infection – fungal – body |
| Infection – fungal – feet |
| Infection – fungal – groin |
| Infection – fungal – nails |
| Infection – fungal – scalp |
| Infection – hair follicle |
| Infection – inner ear |
| Infection – kidney |
| Infection – skin – staph |
| Infection – skin around the nail |
| Infectious diarrhea – bacterial gastroenteritis |
| Infectious diarrhea – campylobacter enteritis |
| Infectious endocarditis |
| Infectious myringitis |
| Infectious polyneuritis |
| Infertility |
| Infertility – resources |
| Infiltrative cardiomyopathy |
| Inflammation – bronchi |
| Inflammation – cervix |
| Inflammation – conjunctiva |
| Inflammation – esophagus |
| Inflammation – heart muscle |
| Inflammation – rectum |
| Inflammation – sclera |
| Inflammation of gums – involving bone |
| Inflammation of the tendon sheath |
| Inflammation of the vagina |
| Inflammatory bowel disease – Crohn’s disease |
| Inflammatory bowel disease – ulcerative colitis |
