What causes the bruising to spread after cupping?

Nov 13, 2022 Source: Cainiu Health

Dr. He Haochen

Introduction

Bruising and its spread after cupping is a normal physiological phenomenon. Cupping creates negative pressure inside the cup, causing it to adhere to specific acupoints on the body and produce therapeutic effects. This process may lead to rupture of surrounding capillaries, resulting in bruising, which is considered normal. As the body gradually absorbs the bruise, the skin will return to its normal color without special treatment, typically healing on its own within about a week.

It is normal for bruising to spread after cupping therapy. Cupping works by creating negative pressure inside the cup, which adheres to specific acupoints on the body and produces therapeutic effects. This process may cause capillaries in the surrounding area to rupture, leading to localized bruising or blood stasis. This is considered a normal physiological response. Over time, as the body gradually absorbs the accumulated blood, the skin color will return to normal without special treatment, typically healing within about one week. Specific details are as follows:

The bruising that appears after cupping primarily results from the negative pressure causing local capillary breakage. If the cups are left on too long, accumulated blood beneath the skin's surface can lead to visible bruising, which is a normal phenomenon. In traditional Chinese medicine (TCM), purple or dark discoloration after cupping is believed to indicate the presence of external pathogenic factors such as wind, cold, or dampness, along with local stagnation of qi and blood. These can be expelled through therapies like cupping or gua sha, thereby relieving tension in local tissues and organs and promoting smooth flow through the meridians, significantly improving disease prognosis. The therapeutic effect of cupping on certain conditions is relatively evident. After cupping, proper skin care is important, and the duration should be carefully controlled to avoid excessive exposure that might damage the skin.

However, if the bruising persists for an extended period without fading, it is advisable to seek medical attention promptly. Necessary examinations should be conducted to rule out pathological causes such as trauma or purpura. Once a diagnosis is confirmed, timely adherence to the physician’s treatment plan is essential to prevent delays in managing any underlying condition.

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What does it mean when yellow fluid comes out during cupping?

In general, yellow fluid discharge after cupping may be caused by factors such as exudation of skin tissue fluid, excessive temperature inside the cup, eczema, seborrheic dermatitis, or impaired lymphatic return. Appropriate measures can be taken based on the specific situation to improve the condition. During routine cupping, it's important to control the temperature and duration, and treatment should be performed at a qualified facility. If yellow fluid is accompanied by redness, swelling, or increased pain, cupping should be stopped immediately and medical attention sought. Keep the skin clean.