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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

Symptoms

Among the possible signs and symptoms of ALL are:

  • Unexplained and persistent fever

  • Marked fatigue and weakness

  • Unexpected weight loss with poor appetite

  • Easy bruising or bleeding

Leukemia cells that spread to the brain and spinal cord can cause:

  • Severe and persistent headache

  • Seizures

  • Trouble with balance

ALL is not a common disease. So most often the above symptoms are caused by some other medical condition.

Most often the above symptoms are caused by some other condition, not ALL. However, you should always contact your doctor if you experience any of them.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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