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Common Symptoms:
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Diseases and Medical Conditions P-R provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters P-R. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.
Featured Article: Pediatric Asthma
Pediatric asthma is a narrowing of the airways which leads to difficulty breathing in children. Learn about pediatric asthma causes, symptoms, treatment and prevention. See more »
Parkinson's Disease In-Depth
Parkinson's disease is a disorder that affects movement, muscle control, and balance. Learn more about Parkinson's disease symptoms and treatments.
See more »Peptic Ulcers In-Depth
A peptic ulcer is an open sore or raw area that tends to develop in the lining of the stomach. Learn more about Peptic ulcer symptoms and treatments.
See more »Periodontal Disease In-Depth
Periodontal disease refers to problems that arise in the gap between the gum and the tooth. Learn more about periodontal disease causes and treatments.
See more »Peripheral Artery Disease And Intermittent Claudication In-Depth
Peripheral artery disease and intermittent claudication occur when plaque clogs arteries in the extremities. Learn more about peripheral artery disease.
See more »Pneumonia In-Depth
Pneumonia is an inflammation of the lung that is caused by infection. Learn more about pneumonia risk factors, causes, symptoms and treatment.
See more »Prostate Cancer In-Depth
Prostate cancer is a malignant tumor that arises in the prostate gland. Learn more about prostate cancer detection, symptoms and treatment.
See more »Psoriasis In-Depth
Psoriasis is a skin disorder marked by periodic flare-ups. Lean more about psoriasis causes, symptoms and treatments.
See more »Restless Legs Syndrome And Related Disorders In-Depth
Restless leg syndrome (RLS) or nocturnal myoclonus is a sleep disorder causing frequent leg movement to relieve discomfort. Learn about restless leg syndrome causes, symptoms, tests, treatment and prevention.
See more »Rheumatoid Arthritis In-Depth
Rheumatoid-collagen disease is any disorder of the connective tissue with rheumatic symptoms. Learn about rheumatoid-collagen disease causes, symptoms, treatment and prevention.
See more »Paget’s Disease
Paget's disease, a metabolic disease, causes bone destruction and deformed regrowth. Learn about Paget’s disease causes, symptoms, treatment and prevention.
See more »Palatal Myoclonus
Palatal myoclonus is a rapid spasm of the muscles in the roof of the mouth. Learn about palatal myoclonus causes, symptoms, treatment and prevention.
See more »Pancreas Divisum
Pancreas divisum is a birth defect in which parts of the pancreas fail to fuse together. Learn about pancreas divisum causes, symptoms, treatment and prevention.
See more »Pancreatic Abscess
Pancreatic abscess is a cavity of pus within the pancreas. Learn about pancreatic abscess causes, symptoms, treatment and prevention.
See more »Pancreatic Carcinoma
Pancreatic cancer is a malignant tumor of the pancreas is more common in the elderly and men. Learn about pancreatic cancer symptoms, tests and treatments.
See more »Pancreatic Islet Cell Tumor
Pancreatic islet cell tumor is a tumor of the hormone producing islet cell in the pancreas. Learn about pancreatic islet cell tumor causes, symptoms, treatment and prevention.
See more »Pancreatic Pseudocyst
Pancreatic pseudocyst is a collection of tissue, fluid, debris and blood after acute pancreatitis. Learn about pancreatic pseudocyst causes, symptoms, treatment and prevention.
See more »Pancreatitis
Pancreatitis is an inflammation or infection of the pancreas. Learn about pancreatitis causes, symptoms, treatment and prevention.
See more »Panic Disorder
Panic disorder or panic attacks is the repeated/unpredictable attack of fear/anxiety in the body. Learn about panic disorder symptoms, tests and treatments.
See more »Panic Disorder With Agoraphobia
Panic disorder with agoraphobia is when a person with panic disorder develops agoraphobia. Learn about panic disorder with agoraphobia causes, symptoms, treatment and prevention.
See more »Parainfluenza
Parainfluenza viruses affect the upper/lower respiratory systems and include croup, bronchiolitis, bronchitis and pneumonias.
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