Does applying heat to the abdomen affect menstrual cramps?

Patient's question:

Age
Due to severe menstrual cramps, I am considering stopping medication for three months to conceive. When my period comes, I use a 100-degree hot water bag on my abdomen (). It feels very hot but is extremely comfortable, and the menstrual cramps almost stop. Does this hot compress have any side effects? Will it affect anything? Thank you!

Doctor's answer:

In traditional Chinese medicine, the phrase "no flow, no pain" refers to the condition where the blood and qi in the (uterus) do not flow smoothly. In such cases, applying hot water can be somewhat effective. The principle behind this is that increased temperature causes blood vessels to dilate, which facilitates the smooth flow of blood and qi. However, menstrual pain can be caused by many different reasons, and not all cases can be relieved by applying hot water. It is necessary to discuss this in categories.
Guidance:
1. The water temperature should be appropriate, as long as it does not burn the skin, there will be no side effects.
2. Menstrual flow may increase compared to the condition of poor blood and qi circulation.
3. Secondary dysmenorrhea is often caused by certain organic lesions in the reproductive organs, such as endometriosis, adenomyosis, or intrauterine adhesions. In such cases, applying hot water is generally ineffective. If menstrual pain persists and is unbearable, please seek medical attention promptly.

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