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: Pharyngitis - Gonococcal
Pharyngitis – gonococcal is a sexually transmitted disease infecting the pharynx. Learn about gonococcal pharyngitis causes, symptoms, treatment and prevention. See more »
Rickets
Rickets is a childhood disorder in which the bones are softened or weakened. Learn about Rickets causes, symptoms, treatment and prevention.
See more »Rickettsial Pox
Rickettsial pox is an infectious, mite transmitted disease that causes chickenpox-like rash. Learn about rickettsial pox causes, symptoms, treatment and prevention.
See more »Right-sided Heart Failure
Right-sided heart failure is when the right side of the heart loses the ability to pump blood efficiently. Learn about right-sided heart failure causes, symptoms, treatment and prevention.
See more »Riley-Day Syndrome
Riley-Day syndrome is a genetic disorder affecting bodily nerve functions. Learn about Riley-Day syndrome causes, symptoms, treatment and prevention.
See more »Ringworm
Ringworm or tinea is a contagious fungal skin infection affecting the body, scalp, groin or feet. Learn about ringworm causes, symptoms, tests, treatment and prevention.
See more »Rocky Mountain Spotted Fever
Rocky Mountain spotted fever is an infectious disease transmitted through tick bites. Learn about Rocky Mountain spotted fever causes, symptoms, treatment and prevention.
See more »Rosacea
Rosacea is a harmless chronic skin inflammation on the face often on fair skinned people. Learn about rosacea causes, symptoms, tests, treatment and prevention.
See more »Roseola
Roseola is the high fever and skin rash caused by human herpes virus 6 infection. Learn about roseola causes, symptoms, treatment and prevention.
See more »Rotator Cuff Tendinitis
Rotator cuff tendonitis is inflammation of shoulder tendons from repeated overhead arm movement. Learn about rotator cuff tendonitis causes, symptoms, tests, treatment and prevention.
See more »Rubella
Rubella or German measles is a contagious viral infection causing mild rashes that may complicate pregnancy. Learn about rubella causes, symptoms, tests, treatment and prevention.
See more »Rubinstein-Taybi Syndrome
Rubinstein-Taybi syndrome (RTS) is a genetic disease that causes mental deficiency and abnormal development. Learn about RTS causes, symptoms, treatment and prevention.
See more »Rumination Disorder
Rumination disorder is the voluntary repeated regurgitation and re-chewing of food. Learn about rumination disorder causes, symptoms, treatment and prevention.
See more »Ruptured Eardrum
Ruptured or perforated eardrum is an opening in the tympanic membrane hindering hearing. Learn about ruptured or perforated eardrum causes, symptoms, tests, treatment and prevention.
See more »Russell-Silver Syndrome
Russell-Silver Syndrome information from HowStuffWorks. Learn about causes, symptoms and treatments of Russell-Silver Syndrome.
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Common Conditions:
