Paget’s Disease of the Bone (Osteitis Deformans)
Paget’s Disease of the Breast
Palinopsia
Palliative Care
Pallor
Pancoast Tumor
Pancreas Divisum
Pancreatic Cancer
Pancreatic Cysts
Pancreatic Neuroendocrine Tumors
Pancreatic Pseudocysts
Pancreatitis
Pancytopenia
PANDAS Syndrome
Panhypopituitarism
Panic Attacks & Panic Disorder
Papillary Fibroelastoma
Papillary Thyroid Cancer (PTC)
Papilledema
Papyrophobia (Fear of Paper)
Paraganglioma
Paragonimiasis
Parainfluenza (Human Parainfluenza Viruses)
Paralysis
Paralytic Ileus
Paraneoplastic Syndromes
Paranoia
Paranoid Personality Disorder
Paranoid Schizophrenia
Paraovarian Cyst
Paraphimosis
Paraplegia
Paraquat Poisoning
Parasitic Infection
Parasitic Twin
Parasomnias & Disruptive Sleep Disorders
Parathyroid Adenoma
Parathyroid Cancer
Paresthesia
Parkinson’s Disease
Parkinsonism
Parosmia
Parotid Gland Tumor
Parotitis
Paroxysmal Nocturnal Hemoglobinuria
Paroxysmal Supraventricular Tachycardia (PSVT)
Parsonage-Turner Syndrome
Partial Anomalous Pulmonary Venous Return
Partial Molar Pregnancy
Parvovirus Infection
Patella Fracture
Patellar Dislocations
Patellar Instability
Patellar Tendonitis
Patellofemoral Pain Syndrome (PFPS)
Patent Ductus Arteriosus (PDA)
Patent Foramen Ovale (PFO)
Peanut Allergy
Pearly Penile Papules
Pectus Carinatum
Pectus Excavatum
Pediatric and Adolescent Scoliosis
Pediatric Multiple Sclerosis
Pediatric Somatic Symptom Disorder
Pediatric Stroke
Pedophobia (Fear of Children)
Peeling Skin
Pelizaeus-Merzbacher Disease
Pellagra
Pellucid Marginal Degeneration
Pelvic Congestion Syndrome
Pelvic Floor Dysfunction
Pelvic Fractures
Pelvic Inflammatory Disease
Pelvic Organ Prolapse
Pelvic Pain
Pemphigus
Pemphigus Foliaceus
Pemphigus Vulgaris
Penicillin
Penicillin Allergy
Penile Adhesions and Skin Bridges
Penile Cancer
Penile Curvature
Penile Disorders
Penile Fracture
Penile Torsion
Peptic Ulcer Disease
Perianal Abscess
Periapical Abscess
Pericardial Conditions
Pericardial Cyst
Pericardial Effusion
Pericarditis
Perichondritis
Pericoronitis
Perilymphatic Fistula
Perimenopause
Perineal Hernia
Periodic Limb Movements of Sleep (PLMS)
Periodontal Abscess
Periodontal Disease (Gum Disease)
Periodontitis
Perioral Dermatitis
Periorbital Cellulitis
Peripartum Cardiomyopathy
Peripheral Artery Disease
Peripheral Neuropathy
Peripheral T-Cell Lymphoma (PTCL)
Peritoneal Mesothelioma
Peritonitis
Peritonsillar Abscess
Periventricular Leukomalacia (PVL)
Pernicious Anemia
Peroneal Nerve Injury
Peroneal Tendon Tear
Peroneal Tendonitis
Persistent Atrial Fibrillation
Persistent Depressive Disorder (PDD)
Persistent Genital Arousal Disorder
Persistent Postural-Perceptual Dizziness
Persistent Pulmonary Hypertension in the Neonate (PPHN)
Persistent Pupillary Membrane
Personality Disorders
Perthes Disease
Pertussis (Whooping Cough)
Pervasive Developmental Disorder
Pet Allergies
PET Scan
Petechiae
Peutz-Jeghers Syndrome
Peyronie’s Disease
Pfeiffer Syndrome
PHACE Syndrome
Phantom Limb Pain
Phantosmia (Olfactory Hallucinations)
Phelan-McDermid Syndrome
Phenylketonuria (PKU)
Pheochromocytoma
Philophobia (Fear of Falling in Love)
Phimosis
Phlegmasia Cerulea Dolens
Phobias
Phobophobia (Fear of Fear)
Photokeratitis
Photophobia
Photopsias (Eye Flashes)
Phthisis Bulbi (End-Stage Eye)
Phyllodes Tumors
Pica
Pick’s Disease
Pierre Robin Syndrome
Pigeon Toes (Intoeing)
Pigmentation: Abnormal
Pilar Cyst
Pilocytic Astrocytoma
Pilon Fractures
Pilonidal Cyst
Pimple on Vagina
Pimples
Pinched Nerves
Pineoblastoma
Pinguecula
Pink Eye (Conjunctivitis)
Pinta
Pinworms
Piriformis Syndrome
Pitted Keratolysis
Pitt-Hopkins Syndrome (PTHS)
Pituitary Adenomas
Pituitary Apoplexy
Pityriasis Rosea
Placenta Accreta
Placenta Previa
Placental Abruption
Placental Insufficiency
Plagiocephaly (Flat Head Syndrome)
Plague
Plantar Fasciitis
Plantar Fibroma
Plantar Warts
Plaque Psoriasis
Plasmacytoma
Plasmapheresis (Plasma Exchange)
Pleomorphic Adenoma
Pleural Effusion
Pleural Mesothelioma
Pleurisy
Plica Syndrome
Pneumococcal Disease
Pneumomediastinum
Pneumonia
Pneumonitis
Pneumothorax (Collapsed Lung)
Podophobia (Fear of Feet)
POEMS Syndrome
Pogonophobia (Fear of Beards)
Poikilocytosis
Poikiloderma of Civatte
Poison Hemlock Ingestion
Poison Ivy Exposure
Poisoning
Polio
Pollen Allergy
Polyarteritis Nodosa (PAN)
Polyarthritis
Polychromasia
Polyclonal Gammopathy
Polycystic Kidney Disease
Polycystic Ovary Syndrome (PCOS)
Polycythemia Vera
Polydactyly (Extra Digits)
Polydipsia
Polyhydramnios
Polymorphous Light Eruption (PMLE)
Polymyalgia Rheumatica
Polymyositis
Polyphagia (Hyperphagia)
Pompe Disease
Poor Circulation
Popcorn Lung (Bronchiolitis Obliterans)
Popliteal Aneurysm
Popliteal Artery Entrapment Syndrome (PAES)
Porencephaly
Porphyria
Porphyrophobia (Fear of Purple)
Port Wine Stain
Portal Hypertension
Portal Vein Thrombosis
Post-Concussion Syndrome
Posterior Capsular Opacification
Posterior Cortical Atrophy
Posterior Cruciate Ligament (PCL) Injury
Posterior Tibial Tendon Dysfunction (PTTD)
Posterior Urethral Stenosis
Posterior Vitreous Detachment
Post-Gastrectomy Syndrome
Postherpetic Neuralgia
Posthitis
Post-Intensive Care Syndrome (PICS)
Postmenopausal Bleeding
Postmenopause
Postpartum Acne
Postpartum Anxiety
Postpartum Depression
Postpartum Hair Loss
Postpartum Headache
Postpartum Hemorrhage
Postpartum Night Sweats
Postpartum Preeclampsia
Postpartum Psychosis
Postpartum Rage
Postpartum Thyroiditis
Post-Polio Syndrome
Post-Thrombotic Syndrome
Post-Transplant Lymphoproliferative Disorders (PTLD)
Post-Traumatic Arthritis
Postural Orthostatic Tachycardia Syndrome (POTS)
Post-Vasectomy Pain Syndrome
Potter Syndrome
Pouchitis
Powassan Virus
Prader-Willi Syndrome
Precipitous Labor
Precocious Puberty
Precordial Catch Syndrome
Prediabetes
Prednisone
Preeclampsia
Pregnancy
Prehypertension
Premature and Early Menopause
Premature Atrial Contractions
Premature Ejaculation
Premature Junctional Contraction
Premature Rupture of Membranes
Premature Ventricular Contractions
Premenstrual Dysphoric Disorder (PMDD)
Premenstrual Syndrome
Prenatal Depression
Prepatellar Bursitis
Presbycusis (Age-Related Hearing Loss)
Presbyopia
Presumed Ocular Histoplasmosis Syndrome (POHS)
Presyncope
Preterm Birth
Preterm Labor
Pretibial Myxedema (Graves’ Dermopathy)
Priapism
Primary Aldosteronism (Conn’s Syndrome)
Primary Biliary Cholangitis (PBC)
Primary Ciliary Dyskinesia
Primary Cough Headache
Primary Hypertension (Formerly Known as Essential Hypertension)
Primary Immunodeficiency
Primary Lateral Sclerosis
Primary Ovarian Insufficiency
Primary Peritoneal Cancer
Primary Progressive Aphasia (PPA)
Primary Progressive Multiple Sclerosis (PPMS)
Primary Sclerosing Cholangitis
Prinzmetal Angina
Prion Disease
Proctitis
Prodromal Labor
Progeria
Prognathism
Progressive Multifocal Leukoencephalopathy (PML)
Progressive Supranuclear Palsy
Prolactinoma
Prolonged Labor (Failure to Progress)
Proptosis (Bulging Eyes)
Prosopagnosia (Face Blindness)
Prostate Cancer
Prostatitis
Protein C Deficiency
Protein S Deficiency
Proteinuria
Proteus Syndrome
Prothrombin Gene Mutation
Prune Belly Syndrome
Prurigo Nodularis
Prurigo of Pregnancy
Pruritus (Itchy Skin)
Pseudoachondroplasia (Dwarfism)
Pseudoaneurysm
Pseudobulbar Affect (PBA)
Pseudobulbar Palsy
Pseudocholinesterase Deficiency
Pseudocyesis
Pseudomembranous Colitis
Pseudomonas Aeruginosa Infection
Pseudomyxoma Peritonei
Pseudotumor Cerebri
Psittacosis
Psoas Syndrome
Psoriasis
Psoriasis in the Ears
Psoriasis on the Eyelids
Psoriasis on the Face
Psoriasis on the Hands and Feet (Palmoplantar Psoriasis)
Psoriatic Arthritis
Psychogenic Nonepileptic Seizure (PNES)
Psychogenic Pain
Psychosis
Psychosomatic Disorder
PTEN Hamartoma Tumor Syndrome
Pterygium (Surfer’s Eye)
Ptosis (Droopy Eyelid)
PTSD (Post-Traumatic Stress Disorder)
Pubic Lice (Crabs)
Pudendal Neuralgia
Pulled Calf Muscle
Pulmonary Alveolar Proteinosis
Pulmonary Arterial Hypertension
Pulmonary Artery Stenosis
Pulmonary Atresia
Pulmonary Contusion
Pulmonary Edema
Pulmonary Embolism
Pulmonary Fibrosis
Pulmonary Hypertension (PH)
Pulmonary Nodules
Pulmonary Sarcoidosis
Pulmonary Valve Disease
Pulmonic Valve Regurgitation
Pulp Necrosis
Pulpitis
Pulsatile Tinnitus
Pulseless Ventricular Tachycardia
Pulsus Paradoxus
PUPPP Rash
PURA Syndrome
Pure Red Cell Aplasia (PRCA)
Purple Crying
Purpura
Pustular Psoriasis
Pyelectasis
Pyloric Stenosis (HPS)
Pyoderma Gangrenosum
Pyogenic Granuloma
Pyomyositis
Pyospermia
Pyrophobia (Fear of Fire)
Pyruvate Kinase Deficiency
Pyuria