| H Disease | |
| H Simiae Encephalomyelitis | |
| H. Gottron's syndrome | |
HA | |
| Haddad syndrome | |
| HAE | |
| HAF Deficiency | |
| Hageman Factor Deficiency | |
| Hageman Trait | |
| Hailey-Hailey Disease | |
| Haim-Munk Syndrome | |
| Hair Loss | |
| Hair transplantation surgery | |
| Hair-Pulling Syndrome | |
| Hajdu Cheney Syndrome | |
| HAL Deficiency | |
| Hall-Pallister Syndrome | |
| Hallermann Streiff syndrome | |
| Hallermann-Streiff-Francois syndrome | |
| Hallervorden-Spatz Syndrome | |
| Hallopeau I Disease | |
| Hallopeau's Disease, Type I | |
| Hallopeau-Siemens Disease | |
| Hallux Duplication, Postaxial Polydactyly, and Absence of Corpus Callosum | |
| Halushi-Behcet's Syndrome | |
| Hamartoma of the Lymphatics | |
| Hamman-Rich Syndrome |  Top |
| Hammer Toe Surgery, Deciding About | |
| Hammer, Claw, and Mallet Toes | |
| Hand, Finger, and Wrist Injuries | |
| Hand, Finger, and Wrist Problems, Noninjury | |
| Hand-Foot-and-Mouth Disease | |
| Hand-Washing | |
| HANE | |
| Hanhart Syndrome | |
| Hansen's Disease | |
| Hantavirus Pulmonary Syndrome (HPS) | |
| Happy Puppet Syndrome (obsolete) | |
| Harada Syndrome | |
| HARD +/-E Syndrome | |
| HARD Syndrome | |
| Harlequin Fetus | |
| Harley Syndrome | |
| Harrington Syndrome | |
| Hart Syndrome | |
| Hartnup Disease | |
| Hartnup Disorder | |
| Hartnup Syndrome | |
| Hashimoto's disease | |
| Hashimoto's syndrome | |
| Hashimoto's thyroiditis | |
| Hay Fever | Top |
| Hay-Wells Syndrome | |
| Hay-Wells Syndrome of Ectodermal Dysplasia | |
HC | |
| HCH | |
| HCMM | |
| HCP | |
| HCS | |
HD | |
| HD | |
HE | |
| Head Injury, Age 3 and Younger | |
| Head Injury, Age 4 and Older | |
| Headache Management | |
| Headaches | |
| Headaches (Tension), Deciding About Taking Prescription Drugs | |
| Headaches, Migraine | |
| Headaches, Tension-type | |
| Healing Touch | |
| Health and Safety, Ages 2 to 5 Years | |
| Health and Safety, Birth to 2 Years | |
| Health Care Agent | |
| Health Care Professionals | |
| Health Decisions | |
| Health Risk Due to Weight Calculator | |
| Healthwise Self-Care Checklist | |
| Healthy Aging | |
| Healthy Eating | |
| Healthy Eating [Condition Center] | Top |
| Healthy Eating for Children | |
| Healthy Eating; Learning About [Condition Center] | |
| Healthy Weight | |
| Healthy Weight Calculator for a Child | |
| Healthy Weight Calculator for a Teen | |
| Hearing Aid, Deciding About | |
| Hearing Aids | |
| Hearing Loss | |
| Heart Attack and Smoking Risk Calculator | |
| Heart Attack and Unstable Angina | |
| Heart Attack Risk Calculator | |
| Heart Block, Congenital | |
| Heart Disease, Coronary Artery | |
| Heart Failure | |
| Heart Murmur | |
| Heart Problems [Condition Center] | |
| Heart Problems; Learning About [Condition Center] | |
| Heart transplant | |
| Heart valve repair or replacement for mitral valve regurgitation or prolapse | |
| heart-hand syndrome | |
| Heartbeat, Changes | |
| Heartburn | |
| Heat Rash | |
| Heat-Related Illnesses | |
| Heatstroke First Aid | Top |
| Hecht Syndrome | |
| HED | |
| Heel Pain (Plantar Fasciitis) | |
| Hegglin's Disease | |
| Heimlich Maneuver | |
| Heinrichsbauer Syndrome | |
| Helping a Family Member Who Has Post-Traumatic Stress Disorder | |
| Helping a Person During a Seizure | |
| Helping a person get treatment for alcohol abuse or dependence | |
| Helping children who are grieving | |
| Helping older adults who are grieving | |
| Helping teens who are grieving | |
| Helping your child develop healthy self-esteem | |
| Helping your child use a metered-dose inhaler (MDI) with a mask spacer | |
| Helping your child with ADHD accomplish tasks at home | |
| Hemangiectatic Hypertrophy | |
| Hemangioma | |
| Hemangioma Thrombocytopenia Syndrome | |
| Hemangiomatosis Chondrodystrophica | |
| Hemangiomatous Branchial Clefts-Lip Pseudocleft Syndrome | |
| Hematogenous Osteomyelitis | |
| Hematuria, Benign, Familial | |
| Hematuria, Benign, Recurrent | |
| Hematuria, Essential | |
| Hematuria-Nephropathy Deafness | Top |
| Hemihypertrophy, Macrocephaly | |
| Hemimegalencephaly | |
| Hemiparaplegic Syndrome | |
| Hemisection of the Spinal Cord | |
| Hemochromatosis | |
| Hemochromatosis Genetic Screening | |
| Hemodialysis | |
| Hemolytic Uremic Syndrome | |
| Hemophilia | |
| Hemorrhagic Capillary Toxicosis | |
| Hemorrhagic Familial Nephritis | |
| Hemorrhagic Plague | |
| Hemorrhagic Telangiectasia, Hereditary | |
| hemorrhagiparous thrombocytic dystrophy | |
| Hemorrhoidectomy for hemorrhoids | |
| Hemorrhoids | |
| Henoch-Schonlein Purpura | |
| Hepatic Carnitine Palmitoyltransferase 1 Deficiency | |
| Hepatic CPT1 | |
| Hepatic Fibrosis, Congenital | |
| Hepatic Fructokinase Deficiency | |
| Hepatic Phosphorylase Kinase Deficiency | |
| Hepatic Veno-Occlusive Disease | |
| Hepatitis A | |
| Hepatitis B | Top |
| Hepatitis C | |
| Hepatitis C, Should I Take Antiviral Therapy? | |
| Hepatitis Panel | |
| Hepatitis, Neonatal | |
| Hepato-Renal Syndrome | |
| Hepatocellular cancer: Screening - Health Professional Information [NCI PDQ] | |
| Hepatocellular cancer: Screening - Patient Information [NCI PDQ] | |
| Hepatolenticular Degeneration | |
| Hepatophosphorylase Deficiency Glycogenosis | |
| Hepatorenal Syndrome | |
| Hepatorenal tyrosinemia | |
| Hereditary Alkaptonuria | |
| Hereditary Areflexic Dystasia | |
| Hereditary Ataxia, Friedrich's Type | |
| Hereditary Cerebellar Ataxia | |
| Hereditary Chorea | |
| Hereditary Chronic Progressive Chorea | |
| Hereditary congenital ophthalmoplegia | |
| Hereditary Deafness and Nephropathy | |
| Hereditary Deafness-Retinitis Pigmentosa | |
| Hereditary Dystopic Lipidosis | |
| Hereditary Emphysema | |
| Hereditary Hyperphosphatasia | |
| Hereditary Hyperuricemia and Choreoathetosis Syndrome | |
| Hereditary Motor Sensory Neuropathy | Top |
| Hereditary Motor Sensory Neuropathy I | |
| Hereditary Motor Sensory Neuropathy Type III, HSMN Type III | |
| Hereditary Nephritis | |
| Hereditary Nephritis With Sensory Deafness | |
| Hereditary Nephrogenic Diabetes Insipidus | |
| Hereditary Nonpolyposis Colorectal Cancer (Lynch Syndrome I and II) | |
| Hereditary Nonpolyposis Colorectal Carcinoma | |
| Hereditary Onychoosteodysplasia (HOOD) | |
| Hereditary OPCA | |
| Hereditary Optic Neuroretinopathy | |
| Hereditary Polyposis Coli | |
| Hereditary Sensory and Autonomic Neuropathy IV | |
| Hereditary Sensory and Autonomic Neuropathy, Type II (HSAN Type II) | |
| Hereditary Sensory and Autonomic Neuropathy, Type III (HSAN, Type III) | |
| Hereditary Sensory Motor Neuropathy | |
| Hereditary Sensory Neuropathy Type III | |
| Hereditary Sensory Radicular Neuropathy, Autosomal Recessive | |
| Hereditary Spherocytosis | |
| Hereditary Type I Hypophosphatemia (HPDR I) | |
| Hereditary Type II Hypophosphatemia (HPDR II) | |
| Hereditary tyrosinemia type 1 | |
| Heredopathia Atactica Polyneuritiformis | |
| Herlitz Syndrome | |
| Hermans-Herzberg Phakomatosis | |
| Hermansky Pudlak Syndrome | Top |
| Hermaphrodism | |
| Hermaphroditism | |
| Hermaphroditism, True | |
| Hernia, Hiatal | |
| Hernia, Inguinal | |
| Herniated Disc | |
| Herniated Disc Surgery, Deciding About | |
| Herniated Neck Disc | |
| Herpes Encephalitis | |
| Herpes Iris, Erythema Multiforme Type | |
| Herpes Iris, Stevens-Johnson Type | |
| Herpes Simplex | |
| Herpes Simplex Infection of Newborn | |
| Herpes, Genital | |
| Herpes, Neonatal | |
| Herpesvirus Hominis Infection of Newborn | |
| Herpesvirus Simiae, B Virus | |
| Herpetic Brainstem Encephalitis | |
| Herpetic Meningoencephalitis | |
| Hers Disease | |
HF | |
| HFA | |
HG | |
| HGE | |
| HGPRT, Absence of | |
| HGPS | |
HH | |
| HHHO | Top |
| HHRH | |
| HHT | |
HI | |
| Hiatal Hernia | |
| Hiatal Hernia-Microcephaly-Nephrosis, Galloway Type | |
| Hiccough, Chronic | |
| Hiccups | |
| Hiccups, Chronic | |
| Hiccups, Persistent | |
| Hickman or Broviac catheter | |
| Hidradenitis Axillaris | |
| Hidradenitis Suppurativa | |
| HIE Syndrome | |
| HIE Syndrome | |
| HIES | |
| High Altitude Illness | |
| High Blood Pressure (Hypertension) | |
| High Blood Pressure Medication, Deciding About | |
| High Blood Sugar from Diabetes | |
| High Cholesterol | |
| High density lipoproteindeficiency, type 1 (HDLDT1) | |
| High Imperforate Anus | |
| High Potassium | |
| High Scapula | |
| High Triglycerides | |
| Hill Diarrhea | Top |
| HIM | |
| Hip Dysplasia, Congenital | |
| Hip Dysplasia, Developmental | |
| Hip Fracture | |
| Hip Injuries, Age 11 and Younger | |
| Hip Injuries, Age 12 and Older | |
| Hip Problems, Age 11 and Younger | |
| Hip Problems, Age 12 and Older | |
| Hip replacement surgery | |
| Hippel Disease | |
| Hippel-Lindau Syndrome | |
| Hirschsprung Disease-Mental Retardation Syndrome | |
| Hirschsprung's Disease | |
| HIS Deficiency | |
| Histidase Deficiency | |
| Histidine Ammonia-Lyase (HAL) Deficiency | |
| Histidinemia | |
| Histiocytic Necrotizing Lymphadenitis | |
| Histiocytosis X | |
| HIV Embryopathy | |
| HIV: Human Immundeficiency Virus Infection | |
| Hives, Giant | |
HL | |
| HLHS | |
| HLS | |
HM | |
| HMI | Top |
| HMS | |
| HMSN I | |
HN | |
| HNHA | |
| HNL | |
HO | |
| Hodgkin's disease during pregnancy: Treatment - Health Professional Information [NCI PDQ] | |
| Hodgkin's disease during pregnancy: Treatment - Patient Information [NCI PDQ] | |
| Hodgkin's disease, adult: Treatment - Health Professional Information [NCI PDQ] | |
| Hodgkin's disease, adult: Treatment - Patient Information [NCI PDQ] | |
| Hodgkin's disease, childhood: Treatment - Health Professional Information [NCI PDQ] | |
| Hodgkin's disease, childhood: Treatment - Patient Information [NCI PDQ] | |
| Hole in the Heart | |
| Holmes-Adie Syndrome | |
| Holmes-Gang Syndrome | |
| Holocarboxylase Synthetase Deficiency | |
| Holoprosencephaly | |
| Holoprosencephaly Malformation Complex | |
| Holoprosencephaly Sequence | |
| Holt Oram Syndrome | |
| Home blood sugar monitoring | |
| Home blood sugar monitoring for children with diabetes | |
| Home blood sugar monitoring when you have gestational diabetes | |
| Home Health Supplies | |
| Home Medical Records | |
| Homeopathy | |
| Homocystinuria | Top |
| Homogentisic Acid Oxidase Deficiency | |
| Homogentisic Acidura | |
| Homozygous Alpha-1-Antitrypsin Deficiency | |
| Hootnick-Holmes Syndrome (obsolete) | |
| Hordeolum | |
| Hormone Replacement Therapy, Deciding About | |
| Hormone Therapy for Endometriosis, Deciding About | |
| Horner's Syndrome | |
| HOS1 | |
| Hospice | |
| Hospice Care | |
| Hostility and Anger | |
| How can I make informed decisions about my extremely premature infant? | |
| How to breast-feed | |
| How to control itching from the chickenpox rash | |
| How to help your child wear an eye patch to treat amblyopia | |
| How to help your child with ADHD be successful in school | |
| How to manage lymphedema | |
| How to measure peak expiratory flow | |
| How To Remove A Tick | |
| How to set up a healthy sleep environment | |
| How to Stop Bleeding From a Minor Head Wound | |
| How to stop drinking alcohol | |
| How to stop thumb-sucking | |
| How to Use a Condom | Top |
| How to use eyedrops and eye ointment | |
HP | |
| HPRT, Absence of | |
| HPS | |
| HPS (Hantavirus Pulmonary Syndrome) | |
| HPV (Human Papillomavirus, Genital Warts) | |
| HPV Vaccine, Should my Daughter Get the | |
HR | |
| HRS | |
HS | |
| HS | |
| HS | |
| HS | |
| HSAN II | |
| HSAN IV | |
| HSAN-III | |
| HSAN1 | |
| HSE | |
| HSMN | |
| HSN IV | |
| HSN-III | |
| HSP | |
| HSP | |
| HSS | |
| HSS | |
HU | |
| Hughes Syndrome | |
| Human and Animal Bites | |
| Human Cowpox Infection | Top |
| Human Cyclic Neutropenia | |
| Human Cytomegalovirus Infection | |
| Human Ehrlichial Infection | |
| Human Ehrlichial Infection, Human Granulocytic Type | |
| Human Ehrlichial Infection, Human Monocytic Type | |
| Human Ehrlichial Infection, Sennetsu Type | |
| Human Granulocytic Ehrlichiosis (HGE) | |
| Human HOXA1 Syndromes | |
| Human Immunodeficiency Virus (HIV) Infection | |
| Human infection with the larvae of canine or feline roundworms | |
| Human Monocytic Ehrlichiosis (HME) | |
| Human Papillomavirus (HPV, Genital Warts) | |
| Humor Therapy | |
| Hunner's Patch | |
| Hunner's Ulcer | |
| Hunter Syndrome | |
| Huntington's Chorea | |
| Huntington's Disease | |
| Huntington's Disease Genetic Test | |
| Hurler Disease | |
| HUS | |
| Hutchinson-Gilford Progeria Syndrome | |
| Hutchinson-Gilford Syndrome | |
| Hutchinson-Weber-Peutz Syndrome | |
| Hutterite Syndrome, Bowen-Conradi Type | Top |
HY | |
| Hyaline Membrane Disease | |
| Hyaline Panneuropathy | |
| Hydatidiform Mole | |
| Hydranencephaly | |
| Hydroanencephaly | |
| Hydrocele | |
| Hydrocele, Congenital | |
| Hydrocephalus, Agyria, and Retinal Dysplasia | |
| Hydrocephalus, Congenital | |
| Hydrocephalus, Internal, Dandy-Walker Type | |
| Hydrocephalus, Noncommunicating, Dandy-Walker Type | |
| Hydromyelia | |
| Hydronephrosis With Peculiar Facial Expression | |
| Hydrotherapy | |
| Hydroxylase Deficiency | |
| Hygiene, Children | |
| Hygroma Colli | |
| Hyper IgD Syndrome | |
| Hyper IgE Syndrome, Autosomal Dominant | |
| Hyper IgM Syndrome | |
| Hyper-Beta Carnosinemia | |
| Hyper-IgE Syndrome | |
| Hyperactivity | |
| Hyperaldosteronism With Hypokalemic Alkatosis | |
| Hyperaldosteronism Without Hypertension | Top |
| Hyperaldosteronism, Primary | |
| Hyperammonemia due to carbamylphosphate Synthetase Deficiency | |
| Hyperammonemia Due to N-Acetylglutamate synthetase Deficiency | |
| Hyperammonemia due to Ornithine Transcarbamylase Deficiency | |
| Hyperammonemia Type II | |
| Hyperargininemia | |
| Hyperbaric oxygen therapy for carbon monoxide poisoning | |
| Hyperbilirubinemia I | |
| Hyperbilirubinemia II | |
| Hyperbilirubinemia in Newborns | |
| Hypercalcemia, Familial, with Nephrocalcinosis and Indicanuria | |
| Hypercalcemia-Supravalvar Aortic Stenosis | |
| Hypercalciuric Rickets | |
| Hypercholesterolemia | |
| Hypercholesterolemia, Type IV | |
| hyperchylomicronemia, familial | |
| Hyperekplexia | |
| Hyperemesis Gravidarum | |
| Hyperexplexia | |
| Hyperglobulinemic Purpura | |
| Hyperglycemia, Diabetic | |
| Hyperglycinemia with Ketoacidosis and Lactic Acidosis, Propionic Type | |
| Hyperglycinemia, Nonketotic | |
| Hyperhidrosis, Primary | |
| Hyperhistidinemia | Top |
| Hyperimmunoglobulin E Recurrent Infection Syndrome | |
| Hyperimmunoglobulin E Syndrome | |
| Hyperimmunoglobulin E-Recurrent Infection Syndrome | |
| Hyperimmunoglobulinemia E-Staphylococcal | |
| Hyperkalemia | |
| Hyperkeratosis Palmoplantaris with Periodontosis | |
| hyperlipemia, essential familial | |
| hyperlipemia, idiopathic, Burger-Grutz type | |
| Hyperlipidemia IV | |
| Hyperlipoproteinemia Type III | |
| Hyperlipoproteinemia Type IV | |
| hyperlipoproteinemia, type 1A | |
| Hypernephroma | |
| Hyperostosis Calvariae Interna | |
| Hyperostosis Corticalis Deformans Juvenilis | |
| Hyperostosis Frontalis Interna | |
| Hyperoxaluria, Primary (Type I) | |
| Hyperphalangy-Clinodactyly of Index Finger with Pierre Robin Syndrome | |
| Hyperplastic Epidermolysis Bullosa | |
| Hyperpnea, Episodic-Abnormal Eye Movement | |
| Hyperpotassemia | |
| Hyperprebeta-Lipoproteinemia | |
| Hyperprolinemia Type I | |
| Hyperprolinemia Type II | |
| Hypersensitivity Pneumonitis | Top |
| Hypersensitivity Vasculitis | |
| Hypersplenism | |
| Hypertelorism with Esophageal Abnormalities and Hypospadias | |
| Hypertelorism with Esophageal Abnormality and Hypospadias | |
| Hypertelorism-Hypospadias Syndrome | |
| Hypertension (High Blood Pressure) | |
| Hyperthermia | |
| Hyperthermia of Anesthesia | |
| Hyperthyroidism | |
| Hypertriglyceridemia | |
| Hypertriglyceridemia, Endogenous | |
| Hypertrophic Cardiomyopathy | |
| Hypertrophic Gastropathy | |
| Hypertrophic Interstitial Neuritis | |
| Hypertrophic Interstitial Neuropathy | |
| Hypertrophic Interstitial Radiculoneuropathy | |
| Hypertrophic Neuropathy of Refsum | |
| Hypertrophic Obstructive Cardiomyopathy (HOCM) | |
| Hyperuricemia, Choreoathetosis, Self-multilation Syndrome | |
| Hyperuricemia-Oligophrenia | |
| Hypervalinemia | |
| Hyperventilation | |
| Hypnosis | |
| Hypochondrogenesis | |
| Hypochondroplasia | Top |
| Hypogenital Dystrophy with Diabetic Tendency | |
| hypoglossia-hypodactylia syndrome | |
| Hypoglycemia (Low Blood Sugar) in People Without Diabetes | |
| Hypoglycemia with Macroglossia | |
| Hypoglycemia, Diabetic | |
| Hypoglycosylation Syndrome Type Ia | |
| Hypogonadism with Anosmia | |
| Hypogonadotropic Hypogonadism and Anosmia | |
| Hypohidrotic Ectodermal Dysplasia | |
| Hypokalemia | |
| Hypokalemic Alkalosis with Hypercalciuria | |
| Hypokalemic Syndrome | |
| Hypomelanosis of Ito | |
| Hypomelia-Hypotrichosis-Facial Hemangioma Syndrome | |
| Hypomotility Disorder | |
| Hypomyelination Neuropathy | |
| Hypoparathyroidism | |
| Hypopharyngeal cancer: Treatment - Health Professional Information [NCI PDQ] | |
| Hypopharyngeal cancer: Treatment - Patient Information [NCI PDQ] | |
| Hypophosphatasia | |
| Hypophosphatemia, Familial | |
| Hypophosphatemic D-Resistant Rickets I | |
| Hypophosphatemic D-Resistant Rickets II | |
| Hypophosphatemic Rickets with Hypercalcemia | |
| Hypopigmentation | Top |
| Hypoplasia of the Depressor Anguli Oris Muscle with Cardiac Defects | |
| Hypoplasia of the Maxilla, Primary Familial | |
| Hypoplastic Anemia-Triphalangeal Thumbs, Aase-Smith Type | |
| Hypoplastic Congenital Anemia | |
| Hypoplastic Left Heart Syndrome | |
| Hypopotassemia Syndrome | |
| Hypoproteinemia, Idiopathic | |
| Hypospadias | |
| Hypospadias-Dysphagia Syndrome | |
| Hypotension, Orthostatic | |
| Hypothalamic Infantilism-Obesity | |
| Hypothermia | |
| Hypothermia and Cold Temperature Exposure | |
| Hypothyroidism | |
| Hypotonia, Benign Congenital | |
| Hypotonia-Hypomentia-Hypogonadism-Obesity Syndrome | |
| Hypovitaminosis B12 | |
| Hypoxanthine-Guanine Phosphoribosyltranferase Defec. (Complete Absense of) | |
| Hypoxia, Mountain Sickness (Acute) | |
| Hysterectomy | |
| Hysterectomy and Oophorectomy to Treat Endometriosis, Deciding About | |
| Hysterectomy for endometrial cancer | |
| Hysterectomy for ovarian cancer | |
| Hysterical Neurosis, Conversion Type | |
