If you are experiencing a medical emergency please dial 911 immediately
Premenstrual syndrome (PMS) means that the symptoms you have before your period starts—like breast tenderness or irritability—are so bad that they interfere with your life.
Last Revised: October 9, 2012
Author: Healthwise Staff
Medical Review: Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
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