# List of diseases (H)

This is a list of diseases starting with the letter "H".
* 0–9
* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z

## See also

    Health
    Exercise
    Nutrition

## Ha
### Hag–Ham

* Hageman factor deficiency
* Hagemoser–Weinstein–Bresnick syndrome
* Hailey–Hailey disease
* Hair defect with photosensitivity and mental retardation
* Hairy cell leukemia
* Hairy ears, y-linked
* Hairy ears
* Hairy nose tip
* Hairy palms and soles
* Hairy tongue
* Hajdu–Cheney syndrome
* Halal–Setton–Wang syndrome
* Halal syndrome
* Hall–Riggs mental retardation syndrome
* Hallermann–Streiff syndrome
* Hallervorden–Spatz disease (renamed to Pantothenate kinase-associated neurodegeneration due to Hallervorden's Nazi party associations)
* Hallucinogen persisting perception disorder
* Hallux valgus
* Hamanishi–Ueba–Tsuji syndrome
* Hamano–Tsukamoto syndrome
* Hamartoma sebaceus of Jadassohn

### Han–Hay

* Hand and foot deformity flat facies
* Hand–foot–uterus syndrome
* Hand wringing Rett syndrome
* Hand, foot and mouth disease
* Hand–Schüller–Christian disease
* Hanhart syndrome
* Harding ataxia
* Harlequin type ichthyosis
* Harpaxophobia
* Harrod–Doman–Keele syndrome
* Hartnup disease
* Hartsfield–Bixler–Demyer syndrome
* Hashimoto struma
* Hashimoto–Pritzker syndrome
* Hashimoto's thyroiditis
* Haspeslagh–Fryns–Muelenaere syndrome
* Hay–Wells syndrome recessive type
* Hay–Wells syndrome

## He
### Hea–Hei

* Headache, cluster
* Hearing disorder
* Hearing impairment
* Hearing loss
* Heart aneurysm
* Heart attack
* Heart block progressive, familial
* Heart block
* Heart defect round face congenital retarded development
* Heart defect tongue hamartoma polysyndactyly
* Heart defects limb shortening
* Heart hand syndrome Spanish type
* Heart hypertrophy, hereditary
* Heart situs anomaly
* Heart tumor of the adult
* Heart tumor of the child
* Heavy metal poisoning
* HEC syndrome
* Hecht–Scott syndrome
* Heckenlively syndrome
* Heide syndrome

### Hel

* Heliophobia
* HELLP syndrome
* Helmerhorst–Heaton–Crossen syndrome
* Helminthiasis

### Hem

* HEM dysplasia

#### Hema–Hemi

* Hemangioblastoma
* Hemangioendothelioma
* Hemangioma thrombocytopenia syndrome
* Hemangioma, capillary infantile
* Hemangioma
* Hemangiomatosis, familial pulmonary capillary
* Hemangiopericytoma
* Hematocolpos
* Hemeralopia, congenital essential
* Hemeralopia, familial
* Hemi 3 syndrome
* Hemifacial atrophy agenesis of the caudate nucleus
* Hemifacial atrophy progressive
* Hemifacial hyperplasia strabismus
* Hemifacial microsomia
* Hemihypertrophy in context of NF
* Hemihypertrophy intestinal web corneal opacity
* Hemimegalencephaly
* Hemiplegia
* Hemiplegic migraine, familial

#### Hemo

* Hemochromatosis
** Hemochromatosis type 1
** Hemochromatosis type 2
** Hemochromatosis type 3
** Hemochromatosis type 4
* Hemoglobin C disease
* Hemoglobin E disease
* Hemoglobin SC disease
* Hemoglobinopathy
* Hemoglobinuria
* Hemolytic anemia lethal genital anomalies
* Hemolytic-uremic syndrome
* Hemophagocytic lymphohistiocytosis
* Hemophagocytic reticulosis
* Hemophilia A
* Hemophilic arthropathy
* Hemophobia
* Hemorrhagic fever with renal syndrome
* Hemorrhoid
* Hemorrhagic proctocolitis
* Hemorrhagic thrombocythemia
* Hemorrhagiparous thrombocytic dystrophy
* Hemosiderosis
* Hemothorax

### Hen

* Hennekam–Beemer syndrome
* Hennekam–Koss–de Geest syndrome
* Hennekam syndrome
* Hennekam–Van der Horst syndrome
* Henoch–Schönlein purpura

### Hep

* Hepadnovirus D
* Heparane sulfamidase deficiency
* Heparin-induced thrombopenia
* Hepatic cystic hamartoma
* Hepatic ductular hypoplasia
* Hepatic encephalopathy
* Hepatic fibrosis renal cysts mental retardation
* Hepatic fibrosis
* Hepatic venoocclusive disease
* Hepatic veno-occlusive disease
* Hepatitis
* Hepatitis A
* Hepatitis B
* Hepatitis C
* Hepatitis D
* Hepatitis E
* Hepatoblastoma
* Hepatocellular carcinoma
* Hepatorenal syndrome
* Hepatorenal tyrosinemia

### Her

* Herpes

#### Here
##### Hered
###### Heredi

Hereditary a – Hereditary m
* Hereditary amyloidosis
* Hereditary angioedema
* Hereditary ataxia
* Hereditary breast–ovarian cancer syndrome
* Hereditary carnitine deficiency myopathy
* Hereditary carnitine deficiency syndrome
* Hereditary carnitine deficiency
* Hereditary ceroid lipofuscinosis
* Hereditary coproporphyria
* Hereditary deafness
* Hereditary elliptocytosis
* Hereditary fibrinogen Aα-Chain amyloidosis
* Hereditary fructose intolerance
* Hereditary hearing disorder
* Hereditary hearing loss
* Hereditary hemochromatosis
* Hereditary hemorrhagic telangiectasia
* Hereditary hyperuricemia
* Hereditary macrothrombocytopenia
* Hereditary methemoglobinemia, recessive
* Hereditary myopathy with intranuclear filamentous
Hereditary n – Hereditary t
* Hereditary nodular heterotopia
* Hereditary non-spherocytic hemolytic anemia
* Hereditary pancreatitis
* Hereditary paroxysmal cerebral ataxia
* Hereditary peripheral nervous disorder
* Hereditary primary Fanconi disease
* Hereditary resistance to anti-vitamin K
* Hereditary sensory and autonomic neuropathy 3
* Hereditary sensory and autonomic neuropathy 4
* Hereditary sensory neuropathy type I
* Hereditary sensory neuropathy type II
* Hereditary spastic paraplegia
* Hereditary spherocytic hemolytic anemia
* Hereditary spherocytosis
* Hereditary type 1 neuropathy
* Hereditary type 2 neuropathy

#### Herm–Hers

* Hermansky–Pudlak syndrome
* Hermaphroditism
* Hernandez–Aguire–Negrete syndrome
* Herpangina
* Herpes encephalitis
* Herpes simplex disease
* Herpes simplex encephalitis
* Herpes viridae disease
* Herpes virus antenatal infection
* Herpes zoster oticus
* Herpes zoster
* Herpesvirus simiae B virus
* Herpetic embryopathy
* Herpetic keratitis
* Herpetophobia
* Herrmann–Opitz arthrogryposis syndrome
* Herrmann–Opitz craniosynostosis
* Hers' disease
* Hersh–Podruch–Weisskopk syndrome

### Het–Hex

* Heterophobia
* Heterotaxia (generic term)
* Heterotaxia autosomal dominant type
* Heterotaxy with polysplenia or asplenia
* Heterotaxy, visceral, X-linked
* Hexosaminidases A and B deficiency

## Hh

* HHH syndrome

## Hi
### Hib–Hip

* Hibernian fever, familial
* Hiccups
* Hidradenitis suppurativa familial
* Hidradenitis suppurativa
* Hidrotic ectodermal dysplasia type Christianson Fouris
* High scapula
* High-molecular-weight kininogen deficiency, congenital
* Hillig syndrome
* Hing–Torack–Dowston syndrome
* Hinson–Pepys disease
* Hip dislocation
* Hip dysplasia Beukes type
* Hip dysplasia (canine)
* Hip dysplasia (human)
* Hip luxation
* Hip subluxation
* Hipo syndrome

### Hir–Hiv

* Hirschsprung disease
** Hirschsprung disease ganglioneuroblastoma
** Hirschsprung disease polydactyly heart disease
** Hirschsprung disease type 2
** Hirschsprung disease type 3
** Hirschsprung disease type d brachydactyly
** Hirschsprung microcephaly cleft palate
** Hirschsprung nail hypoplasia dysmorphism
* Hirsutism congenital gingival hyperplasia
* Hirsutism skeletal dysplasia mental retardation
* His bundle tachycardia
* Histadelia
* Histapenia
* Histidinemia
* Histidinuria renal tubular defect syndrome
* Histiocytosis X
* Histiocytosis, Non-Langerhans-Cell
* Histoplasmosis
* Histrionic personality disorder
* Hittner–Hirsch–Kreh syndrome
* HIV

## Hm

* Hm syndrome
* HMG-CoA lyase deficiency
* HMG CoA synthetase deficiency

## Ho
### Hod–Hol

* Hodgkin lymphoma
* Hodgkin's disease
* Hoepffner–Dreyer–Reimers syndrome
* Hollow visceral myopathy
* Holmes–Benacerraf syndrome
* Holmes–Borden syndrome
* Holmes–Collins syndrome
* Holmes–Gang syndrome
* Holoacardius amorphus
* Holocarboxylase synthetase deficiency
* Holoprosencephaly caudal dysgenesis
* Holoprosencephaly deletion 2p
* Holoprosencephaly ectrodactyly cleft lip palate
* Holoprosencephaly radial heart renal anomalies
* Holoprosencephaly
* Holt–Oram syndrome
* Holzgreve–Wagner–Rehder syndrome

### Hom–Hoy

* Homocarnosinase deficiency
* Homocarnosinosis
* Homocystinuria due to cystathionine beta-synthase
* Homocystinuria due to defect in methylation (cbl g)
* Homocystinuria due to defect in methylation cbl e
* Homocystinuria due to defect in methylation, MTHFR deficiency
* Homocystinuria
* Homologous wasting disease
* Homozygous hypobetalipoproteinemia
* Hoon–Hall syndrome
* Hordnes–Engebretsen–Knudtson syndrome
* Horn–Kolb syndrome
* Horner's syndrome
* Hornova–Dlurosova syndrome
* Horseshoe kidney
* Horton disease, juvenile
* Horton disease
* Hot tub folliculitis
* Houlston–Ironton–Temple syndrome
* Howard–Young syndrome
* Howel–Evans syndrome
* Hoyeraal–Hreidarsson syndrome
* Hoyeraal syndrome

## Hs

* HSV-2 infection

## Hu

* Human ewingii ehrlichiosis
* Human granulocytic ehrlichiosis
* Human monocytic ehrlichiosis
* Human parvovirus B19 infection
* Humero spinal dysostosis congenital heart disease
* Humeroradial synostosis
* Humeroradioulnar synostosis
* Humerus trochlea aplasia of
* Hunter–Carpenter–Mcdonald syndrome
* Hunter–Jurenka–Thompson syndrome
* Hunter–Macpherson syndrome
* Hunter–Mcalpine syndrome
* Hunter–Mcdonald syndrome
* Hunter–Rudd–Hoffmann syndrome
* Hunter syndrome
* Huntington's disease
* Huriez scleroatrophic syndrome
* Hurler syndrome
* Hurst–Hallam–Hockey syndrome
* Hutchinson–Gilford–Progeria syndrome
* Hutchinson incisors
* Hutteroth–Spranger syndrome

## Hy
### Hya

* Hyalinosis systemic short stature
* Hyaloideoretinal degeneration of wagner

### Hyd
#### Hyda–Hyde

* Hydantoin antenatal infection
* Hydatidiform mole
* Hydatidosis
* Hyde–Forster–Mccarthy–Berry syndrome

#### Hydr

* Hydranencephaly
* Hydrocephalus - Arnold Chiari - allied disorders
* Hydrocephalus autosomal recessive
* Hydrocephalus costovertebral dysplasia Sprengel anomaly
* Hydrocephalus craniosynostosis bifid nose
* Hydrocephalus endocardial fibroelastosis cataract
* Hydrocephalus growth retardation skeletal anomalies
* Hydrocephalus obesity hypogonadism
* Hydrocephalus skeletal anomalies
* Hydrocephalus
* Hydrocephaly corpus callosum agenesis diaphragmatic hernia
* Hydrocephaly low insertion umbilicus
* Hydrocephaly tall stature joint laxity
* Hydrolethalus syndrome
* Hydronephrosis
* Hydronephrosis peculiar facial expression
* Hydrophobia
* Hydrops ectrodactyly syndactyly
* Hydrops fetalis anemia immune disorder absent thumb
* Hydrops fetalis
* Hydroxycarboxylic aciduria
* Hydroxymethylglutaric aciduria

### Hyg-Hym

* Hygroma cervical
* Hymenolepiasis

### Hyp
#### Hyper

* Hyper IgE
* Hyper IgM syndrome

##### Hypera–Hyperb

* Hyperadrenalism
* Hyperaldosteronism familial type 2
* Hyperaldosteronism, familial type 1
* Hyperaldosteronism
* Hyperammonemia
* Hyperandrogenism
* Hyperbilirubinemia transient familial neonatal
* Hyperbilirubinemia type 1
* Hyperbilirubinemia type 2
* Hyperbilirubinemia

##### Hyperc–Hyperg

* Hypercalcemia, familial benign type 1
* Hypercalcemia, familial benign type 2
* Hypercalcemia, familial benign type 3
* Hypercalcemia, familial benign
* Hypercalcemia
* Hypercalcinuria idiopathic
* Hypercalcinuria macular coloboma
* Hypercalcinuria
* Hypercementosis
* Hypercholesterolemia due to arg3500 mutation of Apo B-100
* Hypercholesterolemia due to LDL receptor deficiency
* Hypercholesterolemia
* Hyperchylomicronemia
* Hyperekplexia
* Hypereosinophilic syndrome
* Hyperferritinemia, hereditary, with congenital cataracts
* Hypergeusia
* Hyperglycemia
* Hyperglycerolemia
* Hyperglycinemia, isolated nonketotic type 1
* Hyperglycinemia, isolated nonketotic type 2
* Hyperglycinemia, isolated nonketotic
* Hyperglycinemia, ketotic
* Hyperglycinemia, non-ketotic
* Hypergonadotropic ovarian failure, familial or sporadic

##### Hyperh–Hyperk

* Hyperhidrosis
* Hyperhomocysteinemia
* Hyper-IgD syndrome
* Hyperimidodipeptiduria
* Hyperimmunoglobinemia D with recurrent fever
* Hyperimmunoglobulin E - recurrent infection syndrome
* Hyperimmunoglobulinemia D with periodic fever
* Hyperimmunoglobulinemia E
* Hyperinsulinism due to focal adenomatous hyperplasia
* Hyperinsulinism due to glucokinase deficiency
* Hyperinsulinism due to glutamodehydrogenase deficiency
* Hyperinsulinism in children, congenital
* Hyperinsulinism, diffuse
* Hyperinsulinism, focal
* Hyperkalemia
* Hyperkalemic periodic paralysis
* Hyperkeratosis lenticularis perstans of Flegel
* Hyperkeratosis lenticularis perstans
* Hyperkeratosis palmoplantar localized acanthokeratolytic
* Hyperkeratosis palmoplantar localized epidermolytic
* Hyperkeratosis palmoplantar with palmar crease hyperkeratosis

##### Hyperl–Hypero

* Hyperlipoproteinemia type I
* Hyperlipoproteinemia type II
* Hyperlipoproteinemia type III
* Hyperlipoproteinemia type IV
* Hyperlipoproteinemia type V
* Hyperlipoproteinemia
* Hyperlysinemia
* Hyperopia
* Hyperornithinemia
* Hyperornithinemia, hyperammonemia, homocitrullinuria syndrome
* Hyperostosid corticalis deformans juvenilis
* Hyperostosis cortical infantile
* Hyperostosis corticalis generalisata
* Hyperostosis frontalis interna
* Hyperoxaluria type 1
* Hyperoxaluria type 2
* Hyperoxaluria

##### Hyperp–Hypers

* Hyperparathyroidism
* Hyperparathyroidism, familial, primary
* Hyperparathyroidism, neonatal severe primary
* Hyperphalangism dysmorphy bronchomalacia
* Hyperphenylalaninemia
* Hyperphenylalaninemia due to pterin-4-alpha-carbin
* Hyperphenylalaninemia due to dihydropteridine reductase deficiency
* Hyperphenylalaninemia due to 6-pyruvoyltetrahydrop
* Hyperphenylalaninemia due to dehydratase deficiency
* Hyperphenylalaninemia due to GTP cyclohydrolase deficiency
* Hyperphenylalaninemic embryopathy
* Hyperpipecolatemia
* Hyperprolactinemia
* Hyperprolinemia type II
* Hyperprolinemia
* Hyperreflexia
* Hyper-reninism
* Hypersensitivity
   * Hypersensitivity type I
   * Hypersensitivity type II
   * Hypersensitivity type III
   * Hypersensitivity type IV
* Hypersomnolence

##### Hypert–Hyperv

* Hypertelorism and tetralogy of Fallot
* Hypertelorism hypospadias syndrome
* Hypertension
* Hypertensive hyperkalemia, familial
* Hypertensive hypokalemia familial
* Hypertensive retinopathy
* Hyperthermia induced defects
* Hyperthermia
* Hyperthyroidism
* Hyperthyroidism due to mutations in TSH receptor
* Hypertrichosis atrophic skin ectropion macrostomia
* Hypertrichosis brachydactyly obesity and mental retardation
* Hypertrichosis congenital generalized X linked
* Hypertrichosis lanuginosa congenita
* Hypertrichosis lanuginosa, acquired
* Hypertrichosis retinopathy dysmorphism
* Hypertrichosis, anterior cervical
* Hypertrichotic osteochondrodysplasia
* Hypertriglycidemia
* Hypertrophic branchial myopathy
* Hypertrophic cardiomyopathy
* Hypertrophic hemangiectasia
* Hypertrophic myocardiopathy
* Hypertrophic osteoarthropathy, primary or idiopathic
* Hypertropia
* Hypertropic neuropathy of Dejerine-Sottas
* Hypertryptophanemia
* Hypervitaminosis A
* Hypervitaminosis D
* Hypervitaminosis E

#### Hypo
##### Hypoa–Hypof

* Hypoactive sexual desire disorder
* Hypoadrenalism
* Hypoadrenocorticism hypoparathyroidism moniliasis
* Hypoaldosteronism
* Hypo-alphalipoproteinemia primary
* Hypobetalipoproteinaemia ataxia hearing loss
* Hypobetalipoprotéinemia, familial
* Hypocalcemia, autosomal dominant
* Hypocalcemia
* Hypocalciuric hypercalcemia, familial
* Hypochondriasis
* Hypochondrogenesis
* Hypochondroplasia
* Hypocomplementemic urticarial vasculitis
* Hypodermyasis
* Hypodontia dysplasia of nails
* Hypodontia of incisors and premolars
* Hypodysfibrinogenemia
* Hypofibrinogenemia, familial

##### Hypog–Hypol

* Hypoglycemia with deficiency of glycogen synthetase in the liver
* Hypoglycemia
* Hypogonadism cardiomyopathy
* Hypogonadism hypogonadotropic due to mutations in GR hormone
* Hypogonadism male mental retardation skeletal anomaly
* Hypogonadism mitral valve prolapse mental retardation
* Hypogonadism primary partial alopecia
* Hypogonadism retinitis pigmentosa
* Hypogonadism, isolated, hypogonadotropic
* Hypogonadism
* Hypogonadotropic hypogonadism syndactyly
* Hypogonadotropic hypogonadism without anosmia, X linked
* Hypogonadotropic hypogonadism-anosmia, X linked
* Hypogonadotropic hypogonadism-anosmia
* Hypohidrotic Ectodermal Dysplasia
* Hypokalemia
* Hypokalemic alkalosis with hypercalcinuria
* Hypokalemic periodic paralysis
* Hypokalemic periodic paralysis type 1
* Hypokalemic sensory overstimulation
* Hypoketonemic hypoglycemia
* Hypolipoproteinemia

##### Hypom

* Hypomagnesemia primary
* Hypomandibular faciocranial dysostosis
* Hypomelanotic disorder
* Hypomelia Müllerian duct anomalies
* Hypomentia

##### Hypop

* Hypoparathyroidism familial isolated
* Hypoparathyroidism nerve deafness nephrosis
* Hypoparathyroidism short stature mental retardation
* Hypoparathyroidism short stature
* Hypoparathyroidism X linked
* Hypoparathyroidism
* Hypophosphatasia, infantile
* Hypophosphatasia
* Hypophosphatemic rickets
* Hypopigmentation oculocerebral syndrome Cross type
* Hypopituitarism micropenis cleft lip palate
* Hypopituitarism postaxial polydactyly
* Hypopituitarism
* Hypopituitary dwarfism
* Hypoplasia hepatic ductular
* Hypoplasia of the tibia with polydactyly
* Hypoplastic left heart syndrome
* Hypoplastic right heart microcephaly
* Hypoplastic thumb Müllerian aplasia
* Hypoplastic thumbs hydranencephaly
* Hypoproconvertinemia
* Hypoprothrombinemia

##### Hypor–Hypox

* Hyporeninemic hypoaldosteronism
* Hyposmia nasal hypoplasia hypogonadism
* Hypospadias familial
* Hypospadias mental retardation Goldblatt type
* Hyposplenism
* Hypotelorism cleft palate hypospadias
* Hypothalamic dysfunction
* Hypothalamic hamartoblastoma syndrome
* Hypothalamic hamartomas
* Hypertonic gingivitus
* Hypothermia
* Hypothyroidism due to iodide transport defect
* Hypothyroidism postaxial polydactyly mental retardation
* Hypothyroidism
* Hypotonic sclerotic muscular dystrophy
* Hypotrichosis mental retardation Lopes type
* Hypotrichosis
* Hypotropia
* Hypoxanthine guanine phosphoribosyltransferase deficiency
* Hypoxia