Learn more about what ails you. Here are some common symptoms.
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: 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 »
Peritonsillar Abscess
Peritonsillar abscess, a complication of tonsillitis, is a collection of pus around infected tonsils. Learn about peritonsillar causes, symptoms, treatments, and possible complications.
See more »Periventricular Leukomalacia
Periventricular leukomalacia (PVL) is brain tissue death around the ventricles. Learn about PVL causes, symptoms, treatment and prevention.
See more »Pernicious Anemia
Pernicious anemia, caused by a protein deficiency, reduces the amount of oxygen red blood cells provide. Learn about pernicious anemia causes, symptoms, treatment and prevention.
See more »Personality Disorders
Personality disorders are psychiatric behavior problems often causing serious issues with others. Learn about personality disorder types, symptoms, tests and treatment.
See more »Pertussis
Pertussis or whooping cough is a highly contagious bacterial disease causing violent coughing. Learn about pertussis causes, symptoms, treatment and prevention.
See more »Pes Planus
Pes planus or flat feet is when the foot’s arch collapses and touches the ground. Learn about pes planus causes, symptoms, treatment and prevention.
See more »Petit Mal Seizure
Absence seizures, also called petit mal seizures, are short seizures causing temporary loss of conscious activity. Learn about absence seizure causes, symptoms, and treatments.
See more »Petrositis
Petrositis is an inflammation of the temporal bone surrounding the ear. Learn about petrositis causes, symptoms, treatment and prevention.
See more »Peutz-Jeghers Syndrome
Peutz-Jeghers syndrome characterized by intestinal polyps and development of pigmented spots. Learn about Peutz-Jeghers syndrome causes, symptoms, treatment and prevention.
See more »Pharyngitis
Pharyngitis is an inflammation of the pharynx often causing sore throat. Learn about pharyngitis causes, symptoms, treatment and prevention.
See more »Pharyngitis - Gonococcal
Pharyngitis – gonococcal is a sexually transmitted disease infecting the pharynx. Learn about gonococcal pharyngitis causes, symptoms, treatment and prevention.
See more »Pharyngitis - Viral
Pharyngitis – viral is an inflammation of the pharynx from a virus causing sore throat. Learn about viral pharyngitis causes, symptoms, treatment and prevention.
See more »Pharyngomaxillary Space Abscess
Pharyngomaxillary space abscess is a collection of pus in the pharynx and maxilla region. Learn about pharyngomaxillary space abscess causes, symptoms, treatment and prevention.
See more »Phenylketonuria
Phenylketonuria information from HowStuffWorks. Learn about causes, symptoms and treatments of Phenylketonuria.
See more »Pheochromocytoma
Pheochromocytoma is an adrenal gland tumor releasing excess epinephrine and norepinephrine hormones. Learn about pheochromocytoma causes, symptoms, treatment and prevention.
See more »Phlegmasia Cerulea Dolens
Phlegmasia cerulea dolens is a severe form of deep venous thrombosis in the upper legs. Learn about phlegmasia cerulea dolens causes, symptoms, treatment and prevention.
See more »Phobia - Simple/specific
Phobia - simple/specific is a persistent and irrational fear of an object, animal, activity or situation. Learn about simple/specific phobia causes, symptoms, treatment and prevention.
See more »Phonological Disorder
Phonological disorder is failure to use speech sounds appropriate for one’s age and dialect. Learn about phonological disorder causes, symptoms, treatment and prevention.
See more »Pica
Pica is a pattern of eating non-food materials for at least one month. Learn about pica causes, symptoms, treatment and prevention.
See more »Pick’s Disease
Pick’s Disease information from HowStuffWorks. Learn about causes, symptoms and treatments of Pick’s Disease.
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