Mayo Clinic Health System

This website is designed for educational purposes only and does not provide medical advice. The information on this website should not be used to diagnose or treat a health problem or disease. This website is not a substitute for professional medical care from a licensed physician. If you have, or suspect you may have, a health problem you should consult your health care provider. The publishers, authors, editors, and contributors of this website shall have no liability, obligation, or responsibility to any person or entity for any losses, damages, or adverse consequences alleged to have happened directly or indirectly as a result of material on this website, or interaction with a treatment center listed in our directory. If you or someone you know is experiencing a medical emergency, call 911 immediately.