Mayo Clinic diet
Learning Center
White tongue
White tongue: Symptom — Learn about the definition and possible causes of this usually harmless symptom.
Brain lesions
Learn more about these abnormal areas sometimes seen incidentally during brain imaging.
Unexplained weight loss
Unexplained weight loss has many causes — some serious. Find out when losing weight without trying calls for a medical evaluation.
Frequent bowel movements
Many things can trigger frequent bowel movements. Find out what may be causing your extra bathroom trips and when it's time to call your health care provider.
Petechiae
Overview covers definition, possible causes of this skin symptom caused by bleeding of tiny blood vessels.
Eye pain
Have a burning, itching or throbbing eye? Find out possible causes of eye pain and when it's time to call the doctor.
Red eye
This eye condition often looks much worse than it feels. Find out possible causes of inflamed, irritated eyes and when to call the doctor.
Wheezing
Wheezing: Symptom — Overview covers definition, possible causes of this symptom.
Headache
Headache: Symptom — Overview covers definition, possible causes of this painful symptom.
Watery eyes
Watery eyes: Symptom — Overview covers definition, possible causes of excess tearing.
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