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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: Psoriatic Arthritis
Psoriatic arthritis is an arthritis often associated with skin psoriasis. Learn about psoriatic arthritis causes, symptoms, treatment and prevention. See more »
Primary Pulmonary Hypertension
Primary pulmonary hypertension is abnormally high blood pressure not caused by disease. Learn about primary pulmonary hypertension causes, symptoms, treatment and prevention.
See more »Primary Thrombocythemia
Primary thrombocythemia is an overproduction of platelets with no known reason. Learn about primary thrombocythemia causes, symptoms, treatment and prevention.
See more »Proctitis
Rectal inflammation or proctitis is discomfort, bleeding and occasional discharge of mucous or puss. Learn about rectal inflammation causes, symptoms, tests and treatment.
See more »Proctitis - Streptococcal
Proctitis – streptococcal is an anal or rectal inflammation from a streptococcus bacteria infection. Learn about streptococcal proctitis causes, symptoms, treatment and prevention.
See more »Progeria
Progeria information from HowStuffWorks. Learn about causes, symptoms and treatments of Progeria.
See more »Progressive Multifocal Leukoencephalopathy
Progressive Multifocal Leukoencephalopathy information from HowStuffWorks. Learn about causes, symptoms and treatments of Progressive Multifocal Leukoencephalopathy.
See more »Progressive Supranuclear Palsy
Progressive supranuclear palsy is a degenerative brain cell disorder with unknown causes. Learn about progressive multifocal leukoencephalopathy causes, symptoms, treatment and prevention.
See more »Prolactinoma
Prolactinoma is a benign pituitary tumor that excretes excess prolactin hormone. Learn about prolactinoma causes, symptoms, treatment and prevention.
See more »Prolactinoma - Males
Prolactinoma – males is a benign pituitary tumor that impairs sexual drive in men. Learn about prolactinoma in males causes, symptoms, treatment and prevention.
See more »Prostate Cancer
Prostate cancer is a malignant tumor within the prostate gland and classified using the Whitmore-Jewett system. Learn about prostate cancer symptoms, tests and treatment.
See more »Prostate Cancer - Genetic And Other Markers
Prostate cancer genetic and other markers are signs, like the gene AMACR, which may identify men with a higher risk of prostate cancer. Learn more about prostate cancer genetic and other markers, medical studies, benefits, and risks.
See more »Prostate Cancer - Resources
The organizations listed below are good resources for information on prostate cancer. See all of the prostate cancer resources.
See more »Prostatitis - Acute
Prostatitis – acute is a sudden prostate gland inflammation. Learn about acute prostatitis causes, symptoms, treatment and prevention.
See more »Prostatitis - Chronic
Chronic prostatitis is a gradual inflammation of the prostate gland often from bacterial infection. Learn about chronic prostatitis causes, symptoms, tests, treatment and prevention.
See more »Prostatitis - Nonbacterial
Prostatitis – nonbacterial (NBP) is prostate gland inflammation with no known cause. Learn about nonbacterial prostatitis causes, symptoms, treatment and prevention.
See more »Proximal Renal Tubular Acidosis
Proximal renal tubular acidosis is metabolic acidosis due to proximal tubule dysfunction. Learn proximal renal tubular acidosis causes, symptoms, treatment and prevention.
See more »Prune Belly Syndrome
Prune belly syndrome is a group of birth defects which share 3 major characteristics. Learn about prune belly syndrome causes, symptoms, treatment and prevention.
See more »Pseudogout
Pseudogout is a joint disease caused by calcium pyrophosphate crystal build up. Learn about pseudogout causes, symptoms, treatment and prevention.
See more »Pseudohypoparathyroidism
Pseudohypoparathyroidism is a genetic disorder that causes a lack of response to parathyroid hormones. Learn about pseudohypoparathyroidism causes, symptoms, treatment and prevention.
See more »Pseudomembranous Colitis
Pseudomembranous colitis is an antibiotic therapy complication causing severe colon inflammation. Learn about pseudomembranous colitis causes, symptoms, tests, treatment and prevention.
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