# List of diseases (P)

This is a list of diseases starting with the letter "P".
* 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

## Pa
### Pac–Pal

* Pachydermoperiostosis
* Pachygyria
* Pachyonychia congenita Jackson–Lawler type
* Pacman dysplasia
* Paes–Whelan–Modi syndrome
* Paget disease extramammary
* Paget disease juvenile type
* Paget's disease of bone
* Paget's disease of the breast
* Paget's disease, type 1
* Pagon–Bird–Detter syndrome
* Pagon–Stephan syndrome
* Pai–Levkoff syndrome
* Palant cleft palate syndrome
* Palindromic rheumatism
* Pallister–Hall syndrome
* Pallister–Killian syndrome
* Palmer–Pagon syndrome
* Palmitoyl-protein thioesterase deficiency
* Palmoplantar Keratoderma
* Palmoplantar porokeratosis of Mantoux
* Palsy cerebral

### Pan

* Panayiotopoulos syndrome
* Pancreas agenesis
* Pancreas divisum
* Pancreatic adenoma
* Pancreatic beta cell agenesis with neonatal diabetes mellitus
* Pancreatic cancer
* Pancreatic carcinoma, familial
* Pancreatic diseases
* Pancreatic islet cell neoplasm
* Pancreatic islet cell tumors
* Pancreatic lipomatosis duodenal stenosis
* Pancreatitis, hereditary
* Pancreatoblastoma
* Panhypopituitarism
* Panic disorder
* Panmyelophthisis aplastic anemia
* Panniculitis
* Panophobia
* Panostotic fibrous dysplasia
* Panthophobia

### Pap

* Papilledema
* Papillon–Lefèvre syndrome
* Papillitis of the lingual papillae
* Papillitis of the optic nerve
* Papilloma of choroid plexus
* Papular mucinosis
* Papular urticaria

### Par
#### Para–Pari

* Paracoccidioidomycosis
* Paraganglioma
* Parainfluenza virus type 3 antenatal infection
* Paramyotonia congenita of von Eulenburg
* Paramyotonia congenita
* Paraneoplastic cerebellar degeneration
* Paranoid personality disorder
* Paraomphalocele
* Paraparesis amyotrophy of hands and feet
* Paraphilia
* Paraplegia
* Paraplegia-brachydactyly-cone shaped epiphysis
* Paraplegia-mental retardation-hyperkeratosis
* Parapsoriasis
* Parasitophobia
* Parastremmatic dwarfism
* Parathyroid cancer
* Parathyroid neoplasm
* Paratyphoid fever
* PARC syndrome
* Parenchymatous cortical degeneration of cerebellum
* Paris-Trousseau thrombopenia

#### Park–Parv

* Parkes Weber syndrome
* Parkinson's disease
* Parkinson dementia Steele type
* Parkinsonism early onset mental retardation
* Parkinsonism
* Paronychia
* Paroxysmal cold hemoglobinuria
* Paroxysmal dystonic choreoathetosis
* Paroxysmal nocturnal hemoglobinuria
* Paroxysmal ventricular fibrillation
* Parry–Romberg syndrome
* Pars planitis
* Parsonage–Turner syndrome
* Partial agenesis of corpus callosum
* Partial atrioventricular canal
* Partial deletion of Y
* Partial gigantism in context of NF
* Partial lissencephaly
* Partington–Anderson syndrome
* Partington–Mulley syndrome
* Parturiphobia
* Paruresis
* Parvovirus antenatal infection

### Pas–Pat

* Pascuel–Castroviejo syndrome
* Pashayan syndrome
* Passive-aggressive personality disorder
* Patau syndrome
* Patel–Bixler syndrome
* Patella aplasia, coxa vara, tarsal synostosis
* Patella hypoplasia mental retardation
* Patent ductus arteriosus familial
* Patent ductus arteriosus
* Patterson–Lowry syndrome
* Patterson pseudoleprechaunism syndrome
* Patterson–Stevenson syndrome

### Pau–Pav

* Pauciarticular chronic arthritis
* Pavone–Fiumara–Rizzo syndrome

## Pe
### Pea–Pem

* Peanut hypersensitivity
* Pearson's marrow/pancreas syndrome
* Pediatric T-cell leukemia
* Pediculosis
* Peeling skin syndrome ichthyosis
* PEHO syndrome
* Pelizaeus–Merzbacher brain sclerosis
* Pelizaeus–Merzbacher disease, recessive, acute infantile
* Pelizaeus–Merzbacher disease
* Pelizaeus–Merzbacher leukodystrophy
* Pellagra
* Pellagra like syndrome
* Pellagrophobia
* Pelvic dysplasia arthrogryposis of lower limbs
* Pelvic inflammatory disease
* Pelvic lipomatosis
* Pelvic shoulder dysplasia
* Pemphigus and fogo selvagem
* Pemphigus foliaceus
* Pemphigus vulgaris, familial
* Pemphigus vulgaris
* Pemphigus

### Pen–Pep

* Pena–Shokeir syndrome
* Pendred syndrome
* Penile agenesis
* Penoscrotal transposition
* Penta X syndrome
* Pentalogy of Cantrell
* Pentosuria
* Penttinen–Aula syndrome
* PEPCK 1 deficiency
* PEPCK 2 deficiency
* PEPCK deficiency, mitochondrial
* Peptidic growth factors deficiency

### Per

* Perceptual disorder

#### Peri

* Periarteritis nodosa
* Pericardial constriction with growth failure
* Pericardial defect diaphragmatic hernia
* Pericardium absent mental retardation short stature
* Pericardium congenital anomaly
* Perilymphatic fistula
* Perimyositis
* Perinatal infections
* Periodic disease
* Periodic fever, aphthous stomatitis, pharyngitis and adenitis
* Periodic limb movement disorder
* Periodontal disease / Periodontitis
* Perioral dermatitis
* Peripartum cardiomyopathy
* Peripheral blood vessel disorder
* Peripheral nervous disorder
* Peripheral neuroectodermal tumor
* Peripheral neuropathy
* Peripheral T-cell lymphoma
* Peripheral type neurofibromatosis
* Perisylvian syndrome
* Peritonitis
* Periventricular laminar heterotopia
* Periventricular leukomalacia

#### Perl–Pert

* Perlman syndrome
* Pernicious anemia
* Perniola–Krajewska–Carnevale syndrome
* Perniosis
* Peroxisomal Bifunctional Enzyme Deficiency
* Peroxisomal defects
* Persistent Müllerian duct syndrome
* Persistent parvovirus infection
* Persistent sexual arousal syndrome
* Persistent truncus arteriosus
* Pertussis

### Pes–Pey

* Pes planus
* Peters anomaly with cataract
* Peters anomaly
* Peters congenital glaucoma
* Petit–Fryns syndrome
* Petty–Laxova–Wiedemann syndrome
* Peutz–Jeghers syndrome
* Peyronie disease

## Pf

* Pfeiffer cardiocranial syndrome
* Pfeiffer–Hirschfelder–Rott syndrome
* Pfeiffer–Kapferer syndrome
* Pfeiffer–Mayer syndrome
* Pfeiffer–Palm–Teller syndrome
* Pfeiffer–Rockelein syndrome
* Pfeiffer–Singer–Zschiesche syndrome
* Pfeiffer syndrome
* Pfeiffer–Tietze–Welte syndrome
* Pfeiffer type acrocephalosyndactyly

## Ph
### Pha–Phi

* PHACE association
* Phacomatosis fourth
* Phacomatosis pigmentokeratotica
* Phacomatosis pigmentovascularis
* Phalacrophobia
* Pharmacophobia
* Pharyngitis
* Phenobarbital antenatal infection
* Phenobarbital embryopathy
* Phenol sulfotransferase deficiency
* Phenothiazine antenatal infection
* Phenylalanine hydroxylase deficiency
* Phenylalaninemia
* Phenylketonuria type II
* Phenylketonuria
* Phenylketonuric embryopathy
* Pheochromocytoma as part of NF
* Pheochromocytoma
* Philadelphia-negative chronic myeloid leukemia

### Pho–Pht

* Phocomelia contractures absent thumb
* Phocomelia ectrodactyly deafness sinus arrhythmia
* Phocomelia Schinzel type
* Phocomelia syndrome
* Phocomelia thrombocytopenia encephalocele
* Phosphate diabetes
* Phosphoenolpyruvate carboxykinase 1 deficiency
* Phosphoenolpyruvate carboxykinase 2 deficiency
* Phosphoenolpyruvate carboxykinase deficiency
* Phosphoglucomutase deficiency type 1
* Phosphoglucomutase deficiency type 2
* Phosphoglucomutase deficiency type 3
* Phosphoglucomutase deficiency type 4
* Phosphoglucomutase deficiency
* Phosphoglycerate kinase 1 deficiency
* Phosphoglycerate kinase deficiency
* Phosphomannoisomerase deficiency
* Phosphoribosylpyrophosphate synthetase deficiency
* Photoaugliaphobia
* Photosensitive epilepsy
* Phthiriophobia

### Phy

* Physical urticaria
* Phytanic acid oxidase deficiency
* Phytophotodermatitis

## Pi
### Pib–Pig

* PIBI(D)S syndrome
* Pica
* Picardi–Lassueur–Little syndrome
* Pick disease
* Pickardt syndrome
* Pie Torcido
* Piebald trait neurologic defects
* Piebaldism
* Piepkorn–Karp–Hickoc syndrome
* Pierre Marie cerebellar ataxia
* Pierre Robin sequence
* Pigmentary retinopathy
* Pigment dispersion syndrome
* Pigmented villonodular synovitis
* Pignata guarino syndrome

### Pil–Piu

* Pili canulati
* Pili multigemini
* Pili torti developmental delay neurological abnormalities
* Pili torti nerve deafness
* Pili torti onychodysplasia
* Pili torti
* Pillay syndrome
* Pilo dento ungular dysplasia microcephaly
* Pilonidal cyst
* Pilotto syndrome
* Pinealoma
* Pinheiro–Freire–Maia–Miranda syndrome
* Pinsky–Di George–Harley syndrome
* Pinta
* Pipecolic acidemia
* PIRA
* Pitt–Hopkins syndrome
* Pitt–Rogers–Danks syndrome
* Pituitary dwarfism 1
* Pityriasis lichenoides chronica
* Pityriasis lichenoides et varioliformis acuta
* Pityriasis rubra pilaris
* Piussan–Lenaerts–Mathieu syndrome

## Pl–Pn

* Placenta disorder
* Placenta neoplasm
* Placental abruption
* Plagiocephaly X linked mental retardation
* Plague
** Plague, bubonic
** Plague, meningeal
** Plague, pharyngeal
** Plague, pneumonic
** Plague, septicemic
* Plasmacytoma anaplastic
* Plasmalogenes synthesis deficiency isolated
* Plasminogen activator inhibitor type 1 deficiency, congenital
* Plasminogen deficiency, congenital
* Platelet disorder
* Platyspondylic lethal chondrodysplasia
* Platyspondyly amelogenesis imperfecta
* Pleural effusion
* Pleuritis
* Pleuritis
* Plexosarcoma
* Plummer–Vinson syndrome
* Pneumoconiosis
* Pneumocystis jiroveci pneumonia
* Pneumocystosis
* Pneumonia
* Pneumonia, eosinophilic
* Pneumonoultramicroscopicsilicovolcanoconiosis
* Pneumothorax

## Po
### Pod–Poi

* Podder-Tolmie syndrome
* POEMS syndrome
* Poedimus kyleopecia mental retardation
* Poikiloderma congenital with bullae Weary type
* Poikiloderma hereditary acrokeratotic Weary type
* Poikiloderma of Kindler
* Poikiloderma of Rothmund–Thomson
* Poikilodermatomyositis mental retardation
* Poikilodermia alopecia retrognathism cleft palate
* Pointer syndrome

### Pol
#### Pola–Poli

* Poland syndrome
* Poliomyelitis (Polio)
* Poliosophobia

#### Poly
##### Polya–Polyc

* Polyarteritis nodosa
* Polyarteritis
* Polyarthritis, systemic
* Polyarthritis
* Polychondritis
* Polycystic kidney disease, adult type
* Polycystic kidney disease, infantile type
* Polycystic kidney disease, infantile, type I
* Polycystic kidney disease, recessive type
* Polycystic kidney disease, type 1
* Polycystic kidney disease, type 2
* Polycystic kidney disease, type 3
* Polycystic kidney disease
* Polycystic ovarian disease, familial
* Polycystic ovarian syndrome
* Polycystic ovaries urethral sphincter dysfunction
* Polycythemia vera

##### Polyd–Polyo

* Polydactyly alopecia seborrheic dermatitis
* Polydactyly cleft lip palate psychomotor retardation
* Polydactyly myopia syndrome
* Polydactyly postaxial dental and vertebral
* Polydactyly postaxial with median cleft of upper lip
* Polydactyly postaxial
* Polydactyly preaxial type 1
* Polydactyly syndrome middle ray duplication
* Polydactyly visceral anomalies cleft lip palate
* Polydactyly
* Polyglucosan body disease, adult
* Polymicrogyria turricephaly hypogenitalism
* Polymorphic catecholergic ventricular tachycardia
* Polymorphic macular degeneration
* Polymorphous low-grade adenocarcinoma
* Polymyalgia rheumatica
* Polymyositis
* Polyneuritis
* Polyneuropathy hand defect
* Polyneuropathy mental retardation acromicria prema
* Polyomavirus Infections
* Polyostotic fibrous dysplasia

##### Polyp–Polys

* Polyposis, hamartomatous intestinal
* Polyposis skin pigmentation alopecia fingernail changes
* Polysyndactyly cardiac malformation
* Polysyndactyly microcephaly ptosis
* Polysyndactyly orofacial anomalies
* Polysyndactyly overgrowth syndrome
* Polysyndactyly trigonocephaly agenesis of corpus callosum
* Polysyndactyly type 4
* Polysyndactyly type Haas

### Pom–Por

* Pompe's disease
* Poncet–Spiegler's cylindroma
* Pontoneocerebellar Hypoplasia
* Popliteal pterygium syndrome lethal type
* Popliteal pterygium syndrome
* Porencephaly cerebellar hypoplasia malformations
* Porencephaly
* Porokeratosis of Mibelli
* Porokeratosis plantaris palmaris et disseminata
* Porokeratosis punctata palmaris et plantaris
* Porphyria
* Porphyria cutanea tarda, familial type
* Porphyria cutanea tarda, sporadic type
* Porphyria cutanea tarda
* Porphyria, acute intermittent
* Porphyria, Ala-D
* Porphyria, congenital erythropoietic
* Porphyria, hereditary coproporphyria
* Portal hypertension due to intrahepatic block
* Portal hypertension
* Portal thrombosis
* Portal vein thrombosis
* Portuguese type amyloidosis

### Pos–Pox

* Positive rheumatoid factor polyarthritis
* Post-polio syndrome
* Post Traumatic Stress disorder (PTSD)
* Postaxial polydactyly mental retardation
* Posterior tibial tendon rupture
* Posterior urethral valves
* Posterior uveitis
* Posterior valve urethra
* Post-infectious myocarditis
* Post-partum depression
* Post-traumatic epilepsy
* Postural hypotension
* Potassium aggravated myotonia
* Potassium deficiency (hypokalemia)
* Potter disease type 1
* Potter disease, type 3
* Potter sequence cleft cardiopathy
* Potter syndrome dominant type
* Powell–Buist–Stenzel syndrome
* Powell–Chandra–Saal syndrome
* Powell–Venencie–Gordon syndrome
* Poxviridae disease

## Pr
### Pra–Pre

* Prader–Willi syndrome
* Prata–Liberal–Goncalves syndrome
* Preaxial deficiency postaxial polydactyly hypospadia
* Preaxial polydactyly colobomata mental retardation
* Precocious epileptic encephalopathy
* Precocious myoclonic encephalopathy
* Precocious puberty
** Precocious puberty, gonadotropin-dependent
** Precocious puberty, male limited
* Preeclampsia
* Preeyasombat Viravithya syndrome
* Pregnancy toxemia /hypertension
* Prekallikrein deficiency, congenital
* Premature aging, Okamoto type
* Premature aging
* Premature atherosclerosis photomyoclonic epilepsy
* Premature menopause, familial
* Premature ovarian failure
* Premenstrual dysphoric disorder
* Prenatal infections
* Presbycusis
* Presbyopia

### Pri

* Prieto–Badia–Mulas syndrome
* Prieur–Griscelli syndrome
* Primary agammaglobulinemia
* Primary aldosteronism
* Primary alveolar hypoventilation
* Primary amenorrhea
* Primary biliary cirrhosis
* Primary ciliary dyskinesia, 2
* Primary ciliary dyskinesia
* Primary craniosynostosis
* Primary cutaneous amyloidosis
* Primary granulocytic sarcoma
* Primary hyperoxaluria
* Primary hyperparathyroidism
* Primary lateral sclerosis
* Primary malignant lymphoma
* Primary muscular atrophy
* Primary orthostatic tremor
* Primary progressive aphasia
* Primary pulmonary hypertension
* Primary sclerosing cholangitis
* Primary tubular proximal acidosis
* Primerose syndrome
* Primordial microcephalic dwarfism Crachami type
* Prinzmetal's variant angina

### Pro
#### Proc

* Procarcinoma
* Processing disorder
* Proconvertin deficiency, congenital
* Procrastination
* Proctitis

#### Prog

* Progeria short stature pigmented nevi
* Progeria variant syndrome Ruvalcaba type
* Progeria
* Progeroid syndrome De Barsy type
* Progeroid syndrome Petty type
* Progeroid syndrome, Penttinen type
* Prognathism dominant
* Progressive acromelanosis
* Progressive black carbon hyperpigmentation of infancy
* Progressive diaphyseal dysplasia
* Progressive external ophthalmoplegia
* Progressive hearing loss stapes fixation
* Progressive kinking of the hair, acquired
* Progressive multifocal leukoencephalopathy
* Progressive myositis ossificans
* Progressive osseous heteroplasia
* Progressive spinal muscular atrophy
* Progressive supranuclear palsy atypical
* Progressive supranuclear palsy
* Progressive systemic sclerosis

#### Prol–Prou

* Prolactinoma, familial
* Proliferating trichilemmal cyst
* Prolidase deficiency
* Prolymphocytic leukemia
* Properdin deficiency
* Prosencephaly cerebellar dysgenesis
* Prosopamnesia
* Prostaglandin antenatal infection
* Prostate cancer, familial
* Prostatic malacoplakia associated with prostatic abscess
* Prostatitis
* Protein C deficiency
* Protein–energy malnutrition
* Protein R deficiency
* Protein S acquired deficiency
* Protein S deficiency
* Proteus like syndrome mental retardation eye defect
* Proteus syndrome
* Prothrombin deficiency
* Protoporphyria, erythropoietic
* Protoporphyria
* Proud–Levine–Carpenter syndrome

#### Prox

* Proximal myotonic dystrophy
* Proximal myotonic myopathy
* Proximal spinal muscular atrophy
* Proximal tubulopathy diabetes mellitus cerebellar ataxia

### Pru

* Prune belly syndrome
* Prurigo nodularis

## Ps
### Pse
#### Psel

* Psellismophobia

#### Pseu
##### Pseud
###### Pseudo

Pseudoa–Pseudom
* Pseudoachondroplasia
* Pseudoachondroplastic dysplasia 1
* Pseudoachondroplastic dysplasia
* Pseudoadrenoleukodystrophy
* Pseudoaminopterin syndrome
* Pseudoarylsulfatase A deficiency
* Pseudocholinesterase deficiency
* Pseudo-Gaucher disease
* Pseudogout
* Pseudohermaphrodism anorectal anomalies; see Anorectal malformation
* Pseudohermaphroditism female skeletal anomalies
* Pseudohermaphroditism male with gynecomastia
* Pseudohermaphroditism mental retardation
* Pseudohermaphroditism
* Pseudohypoaldosteronism type 1
* Pseudohypoaldosteronism type 2
* Pseudohypoaldosteronism
* Pseudohypoparathyroidism
* Pseudomarfanism
* Pseudomonas infection
** Pseudomonas aeruginosa infection
** Pseudomonas oryzihabitans infection
** Pseudomonas stutzeri infection
* Pseudomongolism
* Pseudomyxoma peritonei
Pseudoo–Pseudo-Z
* Pseudoobstruction idiopathic intestinal
* Pseudopapilledema
* Pseudopapilledema blepharophimosis hand anomalies
* Pseudopelade of Brocq
* Pseudopolycythaemia
* Pseudoprogeria syndrome
* Pseudo-torch syndrome
* Pseudotumor cerebri
* Pseudo-Turner syndrome
* Pseudovaginal perineoscrotal hypospadias
* Pseudoxanthoma elasticum, dominant form
* Pseudoxanthoma elasticum, recessive form
* Pseudoxanthoma elasticum
* Pseudo-Zellweger syndrome

### Psi–Psy

* Psittacosis
* Psoriasis
* Psoriatic arthritis
* Psoriatic rheumatism
* Psychogenic polydipsia
* Psychophysiologic disorders
* Psychosis

## Pt

* Pterygia mental retardation facial dysmorphism
* Pterygium colli
* Pterygium colli mental retardation digital anomalies
* Pterygium of the eye
* Pterygium syndrome antecubital
* Pterygium syndrome multiple dominant type
* Pterygium syndrome X linked
* Pterygium syndrome, multiple
* Ptosis
* Ptosis coloboma mental retardation
* Ptosis coloboma trigonocephaly
* Ptosis strabismus diastasis
* Ptosis strabismus ectopic pupils

## Pu
### Pub

* Pubic lice
* Puerperal fever

### Pul
#### Pulm
##### Pulmo
###### Pulmon

* Pulmonar arterioveinous aneurysm
* Pulmonary agenesis
* Pulmonary alveolar proteinosis, congenital
* Pulmonary alveolar proteinosis
* Pulmonary arterio-veinous fistula
* Pulmonary artery agenesis
* Pulmonary artery coming from the aorta
* Pulmonary artery familial dilatation
* Pulmonary atresia with ventricular septal defect
* Pulmonary blastoma
* Pulmonary branches stenosis
* Pulmonary cystic lymphangiectasis
* Pulmonary disease, chronic obstructive
* Pulmonary edema of mountaineers
* Pulmonary fibrosis /granuloma
* Pulmonary hypertension, secondary
* Pulmonary hypertension
* Pulmonary hypoplasia familial primary
* Pulmonary sequestration
* Pulmonary supravalvular stenosis
* Pulmonary surfactant protein B, deficiency of
* Pulmonary valve stenosis
* Pulmonary valves agenesis
* Pulmonary veins stenosis
* Pulmonary veno-occlusive disease
* Pulmonary venous return anomaly
* Pulmonaryatresia intact ventricular septum
* Pulmonic stenosis with Café au lait spot

### Pun–Pur

* Punctate acrokeratoderma freckle like pigmentation
* Punctate inner choroidopathy
* Pure red cell aplasia
* Puretic syndrome
* Purine nucleoside phosphorylase deficiency
* Purpura, Schönlein–Henoch
* Purpura, thrombotic thrombocytopenic
* Purpura
* Purtilo syndrome

## Py

* Pyaemia
* Pycnodysostosis
* Pyknoachondrogenesis
* Pyle disease
* Pyelonephritis
* Pyoderma gangrenosum
* Pyomyositis
* Pyridoxine deficit
* Pyrimidinemia familial
* Pyrophobia
* Pyropoikilocytosis
* Pyrosis
* Pyruvate carboxylase deficiency
* Pyruvate decarboxylase deficiency
* Pyruvate dehydrogenase deficiency
* Pyruvate kinase deficiency, liver type
* Pyruvate kinase deficiency, muscle type
* Pyruvate kinase deficiency