PA-PD

» Pachydermoperiostosis
» Pachygyria
» Pacman Dysplasia
» Paget's Disease of Bone
» Paget's Disease of the Breast
» Paget's Disease (Type 1)
» Palindromic Rheumatism
» Pallister Hall Syndrome
» Pallister Killian Syndrome
» Palmoplantar Keratoderma
» Palsy Cerebral
» Pancreas Divisum
» Pancreatic Cancer
» Pancreatic Diseases
» Pancreatic Islet Cell (Neoplasm)
» Pancreatic Islet Cell (Tumors)
» Pancreatoblastoma
» PANDAS
» Panhypopituitarism
» Panic Disorder
» Panniculitis
» Panophobia
» Panthophobia
» Papilledema
» Papular Mucinosis
» Paracoccidioidomycosis
» Paraganglioma
» Paramyotonia Congenita
» Paramyotonia Congenita of Von Eulenburg
» Paraneoplastic Cerebellar Degeneration
» Paraomphalocele
» Paraphilia
» Paraplegia
» Parapsoriasis
» Parasitophobia
» Parathyroid cancer
» Parathyroid Neoplasm
» Paratyphoid Fever
» Parcopresis
» Parkinson's Disease
» Parkinsonism
» Paroxysmal Cold Hemoglobinuria
» Paroxysmal Dystonic Choreoathetosis
» Paroxysmal Nocturnal Hemoglobinuria
» Parry Romberg Syndrome
» Pars Planitis
» Parsonage Turner Syndrome
» Partial Lissencephaly
» Parturiphobia
» Paruresis
» Pashayan Syndrome
» Patau Syndrome
» Patent Ductus Arteriosus
» Patterson Pseudoleprechaunism Syndrome

PE-PH

» Peanut Hypersensitivity
» Pediatric T-Cell Leukemia
» Pediculosis
» Pelizaeus Merzbacher Disease
» Pelvic Inflammatory Disease
» Pelvic Lipomatosis
» Pemphigus Foliaceus
» Pemphigus Vulgaris
» Pemphigus
» Pendred Syndrome
» Penta X Syndrome
» Pentalogy of Cantrell
» Pentosuria
» Perceptual Disorder
» Processing Disorder
» Periarteritis Nodosa
» Perilymphatic Fistula
» Perinatal Infections
» Periodic Fever (Aphthous Stomatitis, Pharyngitis and Adenitis)
» Periodontal Disease
» Peripartum Cardiomyopathy
» Peripheral Neuropathy
» Peripheral T-Cell Lymphoma
» Peritonitis
» Periventricular Leukomalacia
» Pernicious Anemia
» Perniosis
» Peroxisomal Defects
» Persistent Parvovirus Infection
» Persistent Sexual Arousal Syndrome
» Persistent Truncus Arteriosus
» Pertussis
» Pes Planus
» Peutz-Jeghers Syndrome
» Peyronie Disease
» Pfeiffer Syndrome
» Pharmacophobia
» Phenylketonuria
» Pheochromocytoma
» Phocomelia Syndrome
» Photosensitive Epilepsy
» Physical Urticaria

PI-PL

» Pica
» Pick Disease of the Brain
» Pickardt Syndrome
» Pie Torcido
» Piebaldism
» Pigmented Villonodular Synovitis
» Pili Multigemini
» Pili Torti
» Pilonidal Cyst
» Pinealoma
» Pinta
» Pipecolic Acidemia
» PIRA
» Pityriasis Lichenoides Chronica
» Pityriasis Lichenoides et Varioliformis Acuta
» Pityriasis Rubra Pilaris
» Placental Abruption
» Plague (Bubonic, Septicemic, Pneumonic)
» Platelet Disorder
» Pleural Effusion
» Pleuritis
» Plummer Vinson Syndrome

PM-PP

» Pneumoconiosis
» Pneumocystis Jiroveci Pneumonia
» Pneumocystosis
» Pneumonia (Eosinophilic)
» Pneumonoultramicroscopicsilicovolcanoconiosis
» Pneumothorax
» POEMS Syndrome
» Poland Syndrome
» Poliomyelitis (Polio)
» Polyarteritis Nodosa
» Polyarteritis
» Polyarthritis
» Polychondritis
» Polycystic Kidney Disease
» Polycystic Ovarian Syndrome
» Polycythemia Vera
» Polydactyly
» Polymorphous Low-Grade Adenocarcinoma
» Polymyalgia Rheumatica
» Polymyositis
» Polyneuritis
» Polyomavirus Infections
» Polyostotic Fibrous Dysplasia
» Polyposis (Hamartomatous Intestinal)
» Pompe's Disease
» Popliteal Pterygium Syndrome
» Popliteal Pterygium Syndrome (Lethal Type)
» Porencephaly
» Porokeratosis Punctata Palmaris et Plantaris
» Porphyria
» Porphyria Cutanea Tarda
» Porphyria Cutanea Tarda (Familial Type)
» Porphyria Cutanea Tarda (Sporadic Type)
» Porphyria (Acute Intermittent)
» Portal Hypertension
» Portal Thrombosis
» Portal Vein Thrombosis
» Post Polio Syndrome
» Post Traumatic Stress Disorder (PTSD)
» Posterior Urethral Valves
» Posterior Uveitis
» Posterior Valve Urethra
» Post-Infectious Myocarditis
» Post-Traumatic Epilepsy
» Postural Hypotension
» Potassium Deficiency (Hypokalemia)
» Poxviridae Disease

PQ-PS

» Prader Willi Syndrome
» Precocious Puberty
» Preeclampsia
» Pregnancy Toxemia/Hypertension
» Premature Aging
» Premature Ovarian Failure
» Premenstrual Dysphoric Disorder
» Presbycusis
» Primary Aldosteronism
» Primary Alveolar Hypoventilation
» Primary Amenorrhea
» Primary Biliary Cirrhosis
» Primary Ciliary Dyskinesia
» Primary Cutaneous Amyloidosis
» Primary Hyperoxaluria
» Primary Hyperparathyroidism
» Primary Lateral Sclerosis
» Primary Progressive Aphasia
» Primary Pulmonary Hypertension
» Primary Sclerosing Cholangitis
» Primordial Microcephalic Dwarfism (Crachami Type)
» Prinzmetal's Variant Angina
» Proconvertin Deficiency (Congenital)
» Proctitis
» Progeria
» Progressive External Ophthalmoplegia
» Progressive Multifocal Leukoencephalopathy
» Progressive Spinal Muscular Atrophy
» Progressive Supranuclear Palsy
» Progressive Systemic Sclerosis
» Prolidase Deficiency
» Prolymphocytic Leukemia
» Properdin Deficiency
» Prostate Cancer (Familial)
» Prostatitis
» Protein C Deficiency
» Protein Energy Malnutrition
» Protein S Deficiency
» Proteus Syndrome
» Protoporphyria (Erythropoietic)
» Proximal Myotonic Myopathy
» Prune Belly Syndrome
» Prurigo Nodularis
» Pseudoachondroplasia
» Pseudocholinesterase Deficiency
» Pseudogout
» Pseudohermaphroditism
» Pseudohypoaldosteronism
» Pseudohypoparathyroidism
» Pseudomonas Stutzeri Infections
» Pseudomyxoma Peritonei
» Pseudopapilledema
» Pseudotumor Cerebri
» Pseudovaginal Perineoscrotal Hypospadias
» Pseudoxanthoma Elasticum
» Psittacosis
» Psoriasis
» Psoriatic Arthritis
» Psoriatic Rheumatism
» Psychogenic Polydipsia
» Psychophysiologic Disorders
» Psychosis

PT-PV

» Pterigium Colli
» Pterygium of the Conjunctiva
» Ptosis
» Pubic Lice
» Puerperal Fever
» Pulmonary Alveolar Proteinosis
» Pulmonary Edema of Mountaineers
» Pulmonary Fibrosis/Granuloma
» Pulmonary Hypertension
» Pulmonary Sequestration
» Pulmonary Valve Stenosis
» Pulmonic Stenosis with Cafe au Lait Spot
» Pure Red Cell Aplasia
» Purine Nucleoside Phosphorylase Deficiency
» Purpura
» Purpura (Schoenlein Henoch)
» Purpura (Thrombotic Thrombocytopenic)

PW-PZ

» Pyaemia
» Pycnodysostosis
» Pyelonephritis
» Pyoderma Gangrenosum
» Pyomyositis
» Pyrophobia
» Pyropoikilocytosis
» Pyrosis
» Pyruvate Carboxylase Deficiency
» Pyruvate Dehydrogenase Deficiency
» Pyruvate Kinase Deficiency