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Period Cramps Explained

Last reviewed: February 16, 2026

Understanding menstrual cramps, their causes, normal vs. severe pain, and effective management strategies.

Period Cramps Explained

Menstrual cramps, also known as dysmenorrhea, are a common experience for many people during their periods. Understanding what causes them and how to manage them can help you feel more comfortable and know when to seek medical help.

What It Means

Period cramps are caused by uterine contractions that help shed the uterine lining during menstruation. These contractions are triggered by hormone-like substances called prostaglandins. Higher levels of prostaglandins can lead to more intense cramps.

Common Causes

Menstrual cramps can be caused by:

  • Primary dysmenorrhea: Normal menstrual cramps caused by natural uterine contractions
  • Secondary dysmenorrhea: Cramps caused by underlying medical conditions such as:
    • Endometriosis
    • Uterine fibroids
    • Pelvic inflammatory disease
    • Adenomyosis

What Is Normal

Mild to moderate cramping is normal and typically:

  • Occurs in the lower abdomen or lower back
  • Starts 1-2 days before your period and lasts 2-3 days
  • Can be managed with over-the-counter pain relievers
  • Doesn't significantly interfere with daily activities

What Is Not Normal

You should seek medical attention if you experience:

  • Severe pain that doesn't respond to over-the-counter medications
  • Cramps that significantly interfere with daily activities
  • Pain that starts more than a week before your period
  • Cramps accompanied by heavy bleeding, fever, or other concerning symptoms
  • Sudden onset of severe cramps (especially if you haven't had them before)

When to See a Doctor

Consult a healthcare provider if:

  • Your cramps are severe and interfere with your daily life
  • Over-the-counter pain relievers don't help
  • Your cramps have gotten worse over time
  • You experience other symptoms like heavy bleeding, fever, or pain during intercourse
  • You're concerned about your period pain

Management Strategies

For normal menstrual cramps, you can try:

  • Over-the-counter pain relievers (ibuprofen or naproxen)
  • Heat therapy (heating pad or warm bath)
  • Light exercise or stretching
  • Relaxation techniques
  • Dietary changes (reducing caffeine and increasing water intake)

Remember, severe or worsening cramps may indicate an underlying condition that needs medical evaluation.

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