Skip to Content
Disease & Condition Topics: P
- Paget Disease of Bone Pro
- Paget Disease of Bone - Bone, Joint, and Muscle Disorders
- Paget Disease of the Nipple
- Paget Disease of the Nipple Pro
- Pain in and Around a Single Joint Pro
- Pain in Multiple Joints Pro
- Pain in the Ball of the Foot (Metatarsalgia)
- Pain in the Front of the Knee
- Pain in the Residual Limb Pro
- Painless Scrotal Mass Pro
- Palm Abscess Pro
- Palmoplantar Keratodermas Pro
- Palpitations
- Palpitations Pro
- Pancreas - Digestive Disorders
- Pancreas Transplantation
- Pancreas Transplantation Pro
- Pancreatic Cancer Pro
- Pancreatic Cancer - Digestive Disorders
- Pancreatic Islet Cell Transplantation
- Pancreatic Islet Cell Transplantation Pro
- Pandemic 2009 H1N1 Influenza (Swine Flu) Pro
- Pandemic H1N1 Influenza (Swine Flu)
- Panic Attacks and Panic Disorder Pro
- Panic Attacks and Panic Disorder - Mental Health Disorders
- Panic Disorder in Children and Adolescents
- Panic Disorder in Children and Adolescents Pro
- Panniculitis Pro
- Panniculitis - Skin Disorders
- PAPA Syndrome Pro
- Papilledema
- Papilledema Pro
- Paracentesis
- Paracentesis Pro
- Paracoccidioidomycosis
- Paracoccidioidomycosis Pro
- Paragonimiasis Pro
- Parainfluenza Virus Infections Pro
- Paranasal Sinus Cancer
- Paranasal Sinus Cancer Pro
- Paraneoplastic Syndromes Pro
- Paraneoplastic Syndromes - Cancer
- Paranoid Personality Disorder - Mental Health Disorders
- Paranoid Personality Disorder (PPD) Pro
- Parapharyngeal Abscess Pro
- Parapsoriasis
- Parapsoriasis Pro
- Parasitic Brain Infections
- Parasomnias
- Parasomnias Pro
- Parkinson Disease Pro
- Parkinson Disease (PD) - Brain, Spinal Cord, and Nerve Disorders
- Parkinsonism - Brain, Spinal Cord, and Nerve Disorders
- Paroxysmal Nocturnal Hemoglobinuria (PNH) Pro
- Paroxysmal Supraventricular Tachycardia (SVT, PSVT) - Heart and Blood Vessel Disorders
- Passive Immunization Pro
- Patellar Dislocations Pro
- Patent Ductus Arteriosus - Children's Health Issues
- Patent Ductus Arteriosus (PDA) Pro
- Pediatric Physeal (Growth Plate) Fractures Pro
- Pedophilia
- Pedophilic Disorder Pro
- Peliosis Hepatis Pro
- Pelvic Congestion Syndrome
- Pelvic Congestion Syndrome Pro
- Pelvic Fractures
- Pelvic Fractures Pro
- Pelvic Inflammatory Disease (PID) Pro
- Pelvic Inflammatory Disease (PID) - Women's Health Issues
- Pelvic Mass Pro
- Pelvic Organ Prolapse (POP)
- Pelvic Pain Pro
- Pelvic Pain - Women's Health Issues
- Pelvic Pain During Early Pregnancy
- Pelvic Pain During Early Pregnancy Pro
- Pemphigoid Gestationis Pro
- Pemphigoid Gestationis - Women's Health Issues
- Pemphigus Foliaceus Pro
- Pemphigus Vulgaris
- Pemphigus Vulgaris Pro
- Penicillins
- Penicillins Pro
- Penile and Urethral Anomalies Pro
- Penile Cancer Pro
- Penile Cancer - Kidney and Urinary Tract Disorders
- Peptic Ulcer Disease Pro
- Peptic Ulcer Disease - Digestive Disorders
- Peptic Ulcer in Children
- Percutaneous Coronary Interventions (PCI) Pro
- Perforation of the Digestive Tract - Digestive Disorders
- Perforations of the Septum
- Peri-Implant Diseases and Conditions Pro
- Periapical Abscess
- Pericarditis Pro
- Perichondritis - Ear, Nose, and Throat Disorders
- Perichondritis of the Ear Pro
- Perilunate and Lunate Dislocations Pro
- Perinatal Anemia Pro
- Perinatal Physiology Pro
- Perinatal Polycythemia and Hyperviscosity Syndrome Pro
- Perinatal Tuberculosis (TB) Pro
- Periodic Limb Movement Disorder (PLMD) and Restless Legs Syndrome (RLS)
- Periodic Limb Movement Disorder (PLMD) and Restless Legs Syndrome (RLS) Pro
- Periodontitis Pro
- Periodontitis - Mouth and Dental Disorders
- Perioperative Management Pro
- Perioral Dermatitis
- Perioral Dermatitis Pro
- Peripheral Arterial Aneurysms Pro
- Peripheral Arterial Disease Pro
- Peripheral Neuropathy Pro
- Peripheral Ulcerative Keratitis
- Peripheral Ulcerative Keratitis Pro
- Peritoneal Dialysis Pro
- Peritonsillar Abscess and Cellulitis Pro
- Permanent Contraception
- Permanent Contraception Pro
- Peroxisomal Disorders
- Peroxisomal Disorders Pro
- Persistent Genital Arousal Disorder
- Persistent Genital Arousal Disorder Pro
- Persistent Pulmonary Hypertension of the Newborn
- Persistent Pulmonary Hypertension of the Newborn Pro
- Persistent Truncus Arteriosus
- Persistent Truncus Arteriosus Pro
- Personality and Behavior Changes
- Pertussis
- Pertussis Pro
- Peutz-Jeghers Syndrome Pro
- Peyronie Disease
- Peyronie Disease Pro
- PFAPA Syndrome
- PFAPA Syndrome Pro
- Phaeohyphomycosis Pro
- Pharmacists and Older Adults Pro
- Pharmacodynamics in Older Adults Pro
- Pharmacogenetics Pro
- Pharmacokinetics in Children Pro
- Pharmacokinetics in Older Adults Pro
- Phenylketonuria (PKU)
- Phenylketonuria (PKU) Pro
- Pheochromocytoma Pro
- Pheochromocytoma - Hormonal and Metabolic Disorders
- Phimosis and Paraphimosis Pro
- Phimosis and Paraphimosis - Men's Health Issues
- Phlyctenular Keratoconjunctivitis
- Phlyctenular Keratoconjunctivitis Pro
- Photosensitivity Pro
- Photosensitivity Reactions - Skin Disorders
- Phyllodes Tumor Pro
- Physical Allergy
- Physical Changes During Pregnancy
- Physical Changes With Aging Pro
- Physical Examination of the Newborn
- Physical Growth and Sexual Maturation of Adolescents
- Physical Growth and Sexual Maturation of Adolescents Pro
- Physical Growth of Infants and Children
- Physical Growth of Infants and Children Pro
- Physical Problems in Adolescents
- Physical Problems in Adolescents Pro
- Physical Therapy (PT)
- Physical Therapy (PT) Pro
- Physiology of Pregnancy Pro
- Pica Pro
- Pica - Mental Health Disorders
- Pilonidal Disease
- Pilonidal Disease Pro
- Pineal Region Tumors Pro
- Pinguecula and Pterygium Pro
- Pinguecula and Pterygium - Eye Disorders
- Pinworm Infection - Infections
- Pinworm Infestation Pro
- Piriformis Syndrome
- Piriformis Syndrome Pro
- Pituitary Lesions Pro
- Pituitary Tumors Pro
- Pityriasis Lichenoides Pro
- Pityriasis Rosea Pro
- Pityriasis Rosea - Skin Disorders
- Pityriasis Rubra Pilaris
- Pityriasis Rubra Pilaris Pro
- Placebos
- Placebos Pro
- Placenta Accreta
- Placenta Accreta Pro
- Placenta Previa Pro
- Placenta Previa - Women's Health Issues
- Placental Abruption - Women's Health Issues
- Plague and Other Yersinia Infections
- Plague and Other Yersinia Infections Pro
- Plain X-Rays - Special Subjects
- Plant and Shrub Poisoning
- Plant Poisoning Pro
- Plantar Fasciosis
- Plantar Fasciosis Pro
- Plantar Fibromatosis
- Plantar Fibromatosis Pro
- Plasma Membrane Proteins Pro
- Platelet Dysfunction
- Pleural Biopsy Pro
- Pleural Effusion Pro
- Pleural Effusion - Lung and Airway Disorders
- Pleural Fibrosis and Calcification
- Pleural Fibrosis and Calcification Pro
- Plexus Disorders
- Pneumococcal Infections
- Pneumococcal Infections Pro
- Pneumococcal Vaccine
- Pneumococcal Vaccine Pro
- Pneumocystis jirovecii Pneumonia Pro
- Pneumomediastinum
- Pneumomediastinum Pro
- Pneumonia in Immunocompromised Patients Pro
- Pneumonia in Immunocompromised People
- Pneumonia in Newborns
- Pneumothorax Pro
- Pneumothorax - Lung and Airway Disorders
- Pneumothorax (Open) Pro
- Pneumothorax (Tension) Pro
- Pneumothorax (Traumatic) Pro
- Pneumothorax in the Newborn
- POEMS Syndrome
- POEMS Syndrome Pro
- Polio - Infections
- Polio Vaccine
- Poliomyelitis Pro
- Poliomyelitis Vaccine Pro
- Polyarteritis Nodosa (PAN)
- Polyarteritis Nodosa (PAN) Pro
- Polycystic Kidney Disease (PKD)
- Polycystic Ovary Syndrome (PCOS)
- Polycystic Ovary Syndrome (PCOS) Pro
- Polycythemia in the Newborn
- Polycythemia Vera
- Polycythemia Vera Pro
- Polyglandular Deficiency Syndromes
- Polyglandular Deficiency Syndromes Pro
- Polyhydramnios Pro
- Polymyalgia Rheumatica Pro
- Polymyalgia Rheumatica - Bone, Joint, and Muscle Disorders
- Polyneuropathy
- Polyneuropathy Pro
- Polypeptide Antibiotics: Bacitracin, Colistin, Polymyxin B Pro
- Polypeptides
- Polyps of the Cervix
- Polyps of the Colon and Rectum Pro
- Polyps of the Colon and Rectum - Digestive Disorders
- Polyuria Pro
- Pompholyx
- Porencephaly Pro
- Porphyria Cutanea Tarda
- Porphyria Cutanea Tarda Pro
- Port-Wine Stains - Skin Disorders
- Portal Hypertension Pro
- Portal Hypertension - Liver and Gallbladder Disorders
- Portal Vein Thrombosis
- Portal Vein Thrombosis Pro
- Portopulmonary Hypertension
- Portopulmonary Hypertension Pro
- Portosystemic Encephalopathy Pro
- Positron Emission Tomography (PET) Pro
- Positron Emission Tomography (PET) - Special Subjects
- Positron Emission Tomography (PET) of the Heart
- Post–Lumbar Puncture and Other Low–Pressure Headaches Pro
- Postcholecystectomy Syndrome Pro
- Posterior Achilles Tendon Bursitis Pro
- Postextraction Problems Pro
- Postgastrectomy Gastritis Pro
- Postherpetic Neuralgia - Infections
- Postinfectious Glomerulonephritis (PIGN) Pro
- Postoperative Care Pro
- Postoperative Liver Dysfunction Pro
- Postpartum Bladder and Kidney Infections - Women's Health Issues
- Postpartum Blood Clots - Women's Health Issues
- Postpartum Care Pro
- Postpartum Depression Pro
- Postpartum Depression - Women's Health Issues
- Postpartum Hemorrhage Pro
- Postpartum Infections
- Postpartum Infections of the Uterus - Women's Health Issues
- Postpartum Pyelonephritis Pro
- Postpartum Thyroid Disorders - Women's Health Issues
- Postpolio Syndrome
- Postpoliomyelitis Syndrome Pro
- Postprandial Hypotension
- Postterm and Postmature Infants Pro
- Postterm Newborn
- Postterm Pregnancy Pro
- Postterm Pregnancy and Postmaturity
- Posttraumatic Iridocyclitis Pro
- Posttraumatic Stress Disorder (PTSD) - Mental Health Disorders
- Posttraumatic Stress Disorder (PTSD) Pro
- Prader-Willi Syndrome
- Precautions and Adverse Reactions During Blood Transfusion
- Precautions With Over-the-Counter Drugs
- Precocious Puberty Pro
- Preeclampsia and Eclampsia Pro
- Preeclampsia and Eclampsia - Women's Health Issues
- Prelabor Rupture of Membranes (PROM) Pro
- Prelabor Rupture of the Membranes (PROM)
- Premature Ejaculation - Men's Health Issues
- Premature Infants Pro
- Premature Menopause
- Premature Newborn
- Premenstrual Syndrome (PMS) Pro
- Premenstrual Syndrome (PMS) - Women's Health Issues
- Prenatal Diagnostic Testing
- Prenatal Drug Exposure Pro
- Prenatal Genetic Counseling Pro
- Preoperative Evaluation Pro
- Preparing for a Limb Prosthesis Pro
- Preseptal and Orbital Cellulitis Pro
- Preseptal Cellulitis
- Pressure Sores - Skin Disorders
- Pressure Ulcers Pro
- Preterm Labor
- Preterm Labor Pro
- Preventing and Responding to Elder Abuse
- Prevention in Older Adults
- Prevention in Pregnant Women
- Prevention of Cancer - Cancer
- Prevention of Disease in Older Adults Pro
- Prevention of Frailty Pro
- Prevention of Iatrogenic Complications in Older Adults Pro
- Prevention of Infection
- Prevention of Injuries in Older Adults Pro
- Prevention of Psychosocial Problems in Older Adults Pro
- Prevention of Surgical Infections Pro
- Preventive Health Care Visits in Adolescents
- Preventive Health Care Visits in Children
- Preventive Health Care Visits in Infants
- Priapism Pro
- Prickly Heat
- Primary Aldosteronism Pro
- Primary Amebic Meningoencephalitis Pro
- Primary Biliary Cholangitis (PBC) Pro
- Primary Biliary Cholangitis (PBC)
- Primary Brain Lymphomas Pro
- Primary Cancerous Bone Tumors
- Primary Infantile Glaucoma
- Primary Infantile Glaucoma Pro
- Primary Liver Cancer Pro
- Primary Liver Cancers
- Primary Malignant Bone Tumors Pro
- Primary Myelofibrosis Pro
- Primary Open-Angle Glaucoma Pro
- Primary Ovarian Insufficiency Pro
- Primary Sclerosing Cholangitis - Liver and Gallbladder Disorders
- Primary Sclerosing Cholangitis (PSC) Pro
- Principles of Topical Dermatologic Therapy Pro
- Prion Disease Associated With Diarrhea and Autonomic Neuropathy
- Prion Disease Associated With Diarrhea and Autonomic Neuropathy Pro
- Problems After Travel
- Problems at the Destination
- Problems Due to Bed Rest
- Problems Due to Hospitalization
- Problems in Transit
- Problems With Amniotic Fluid - Women's Health Issues
- Problems With Cervical Mucus
- Problems With Eggs
- Problems With Ovulation
- Problems With Sperm
- Problems With the Fallopian Tubes and Abnormalities in the Pelvis
- Proctitis
- Proctitis Pro
- Progeria Pro
- Progestin Contraceptive Injections Pro
- Programs of All-Inclusive Care for the Elderly (PACE) Pro
- Progressive Multifocal Leukoencephalopathy (PML) Pro
- Progressive Multifocal Leukoencephalopathy (PML)
- Progressive Rubella Panencephalitis Pro
- Progressive Supranuclear Palsy (PSP)
- Progressive Supranuclear Palsy (PSP) Pro
- Prolapsed Umbilical Cord - Women's Health Issues
- Promoting Optimal Health and Development of Children
- Proptosis Pro
- Propulsion Disorders of the Throat
- Prostate Abscess
- Prostate Abscess Pro
- Prostate Cancer Pro
- Prostate Cancer - Kidney and Urinary Tract Disorders
- Prostatitis Pro
- Prostatitis - Men's Health Issues
- Prosthesis Fitting
- Prosthesis Loosening
- Prosthesis Parts
- Prosthetic Components Pro
- Prosthetic Joint Infectious Arthritis Pro
- Protective Features of the Eyes
- Proteeae Infections Pro
- Protein C Deficiency Pro
- Protein Disorders Causing Bruising or Bleeding
- Protein S Deficiency Pro
- Protein Z Deficiency Pro
- Protein-Energy Undernutrition (PEU) Pro
- Proteinuria Pro
- Prothrombin (Factor II) 20210 Gene Mutation Pro
- Protracted Labor Pro
- Provoked Vestibulodynia (Vulvar Vestibulitis)
- Proximal Humeral Fractures Pro
- Prune-Belly Syndrome Pro
- Pruritic Urticarial Papules and Plaques of Pregnancy Pro
- Pruritic Urticarial Papules and Plaques of Pregnancy - Women's Health Issues
- Pruritus Ani (Anal Itching) Pro
- Pseudofolliculitis Barbae Pro
- Pseudohypoaldosteronism Type I
- Pseudohypoaldosteronism Type I Pro
- Pseudomonas and Related Infections Pro
- Pseudomonas Infections
- Pseudoxanthoma Elasticum
- Pseudoxanthoma Elasticum Pro
- Psoriasis Pro
- Psoriasis - Skin Disorders
- Psoriatic Arthritis Pro
- Psoriatic Arthritis - Bone, Joint, and Muscle Disorders
- Psychologic Factors That Contribute to Pain
- Psychological Factors Affecting Other Medical Conditions
- Psychological Factors Affecting Other Medical Conditions Pro
- Psychotic Disorder Due to Another Medical Condition
- Psychotic Disorder Due to Another Medical Condition Pro
- Puberty in Boys - Men's Health Issues
- Puberty in Girls - Women's Health Issues
- Puerperal Endometritis Pro
- Pulmonary Air-Leak Syndromes Pro
- Pulmonary Alveolar Proteinosis
- Pulmonary Alveolar Proteinosis Pro
- Pulmonary Artery Catheterization
- Pulmonary Barotrauma Pro
- Pulmonary Chemical-Warfare Agents
- Pulmonary Chemical-Warfare Agents Pro
- Pulmonary Contusion
- Pulmonary Contusion Pro
- Pulmonary Edema Pro
- Pulmonary Embolism (PE) Pro
- Pulmonary Embolism (PE) - Lung and Airway Disorders
- Pulmonary Function Testing (PFT) - Lung and Airway Disorders
- Pulmonary Hypertension Pro
- Pulmonary Hypertension - Lung and Airway Disorders
- Pulmonary Langerhans Cell Histiocytosis
- Pulmonary Langerhans Cell Histiocytosis Pro
- Pulmonary Rehabilitation Pro
- Pulmonary Valve Stenosis in Children
- Pulmonary-Renal Syndrome
- Pulmonary-Renal Syndrome Pro
- Pulmonic Regurgitation
- Pulmonic Regurgitation Pro
- Pulmonic Stenosis
- Pulmonic Stenosis Pro
- Pulpitis Pro
- Pulpitis - Mouth and Dental Disorders
- Pupils, Unequal
- Pure Autonomic Failure
- Pure Autonomic Failure Pro
- Pure Red Blood Cell Aplasia Pro
- Purine Catabolism Disorders Pro
- Purine Nucleotide Synthesis Disorders Pro
- Purine Salvage Disorders Pro
- Purpura Simplex
- Purpura Simplex Pro
- Purulent Labyrinthitis
- Purulent Labyrinthitis Pro
- Puss Moth Caterpillar (Asp) Stings Pro
- Puss Moth Caterpillar Stings
- Pyoderma Gangrenosum Pro
- Pyoderma Gangrenosum - Skin Disorders
- Pyogenic Granulomas Pro
- Pyogenic Granulomas - Skin Disorders
- Pyrimidine Metabolism Disorders Pro
- Pyruvate Metabolism Disorders
- Pyruvate Metabolism Disorders Pro
Browse Alphabetically