This is a list of diseases starting with the letter "P".
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 Patellofemoral pain syndrome 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 girdle pain 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 Penile cancer 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 Perthes disease 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 Pleurisy 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 Postural orthostatic tachycardia syndrome Potassium aggravated myotonia Potassium deficiency (hypokalemia)