Why do period cramps occur and how can they be alleviated?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Period cramps, or dysmenorrhea, occur when the uterus contracts to shed its lining during menstruation. These contractions are triggered by hormone-like substances called prostaglandins, which can also cause nausea, headaches, and fatigue.

How to relieve period cramps:

Apply heat: A heating pad or warm bath relaxes uterine muscles.
Exercise: Light movement boosts circulation and reduces pain.
Try herbal remedies: Ginger, chamomile, and cinnamon may ease discomfort.
Adjust your diet: Anti-inflammatory foods and reduced caffeine can help.

While cramps are common, severe or worsening pain could signal an underlying condition like endometriosis or fibroids. Understanding your symptoms early is key to getting the right care. Take a free, instant, online symptom check to better understand what's causing your pain and confidently plan your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Period cramps occur when the uterus contracts to help shed its lining during menstruation. This process can cause pain because the contractions reduce blood flow to the uterus, leading to cramping.

Ways to Alleviate Period Cramps:

Heat Therapy: Applying a heating pad or hot water bottle to your lower abdomen can help relax the muscles and reduce cramping.
Exercise: Regular physical activity can improve blood circulation and release endorphins, which may help reduce pain.
Herbal and Dietary Therapies: Some herbal remedies and dietary changes can also help manage period pain. However, it's important to consult a healthcare professional before trying new treatments. Acupuncture is another therapy that may improve menstrual cramps.

By understanding the cause of period cramps and exploring different relief methods, you can find ways to manage the discomfort effectively. If your symptoms persist or worsen, consider using a symptom checker to help identify potential causes and determine when to seek medical care.

(References)

Rosenwaks Z, & Seegar-Jones G. (1980). Menstrual pain: its origin and pathogenesis. The Journal of reproductive medicine, 7001019.
Proctor ML, & Murphy PA. (2001). Herbal and dietary therapies for primary and secondary .... The Cochrane database of systematic reviews, 11687013.
Deligeoroglou E. (2000). Dysmenorrhea. Annals of the New York Academy of Sciences, 10818411.

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