Cupping Therapy Explained Simply

1. What It Is About

Cupping is an ancient procedure from traditional medicine. Glass, bamboo or plastic cups are placed on the skin. A vacuum is created inside the cups, which irritates the skin and the underlying tissue. There are different forms: dry cupping uses only the vacuum. Wet cupping involves small incisions in the skin beforehand. Moving cupping involves sliding the cup over the skin, similar to a massage. The procedure originates from Chinese, Arabic and European healing traditions and has been used for centuries to treat pain and other complaints. Studies show that cupping is performed in very different ways. Sometimes suction is stronger, sometimes weaker; sometimes for longer, sometimes shorter periods. The body areas treated also vary. This makes it difficult to compare studies with one another.

2. What Studies Show

The best-studied application of cupping is for musculoskeletal pain. One study with 98 patients suffering from chronic back pain compared wet cupping with usual care. The cupping group experienced less pain, but there was no placebo control 1. For carpal tunnel syndrome, a painful wrist condition, 52 patients received either a single cupping treatment or heat therapy. After seven days, pain had decreased significantly more in the cupping group than in the heat group 2. Another study with 110 patients with chronic back pain tested dry cupping with light pulsation against a control group that took pain medication as needed. After four weeks, the cupping patients had less pain. Even a very gentle cupping application showed some benefit, suggesting that part of the effect may be due to expectation 6. A study with 50 patients with chronic neck pain showed reduced pain and improved quality of life after five cupping massages. Side effects were mild, mostly temporary bruising 5. For fibromyalgia, a condition involving widespread pain, a study with 141 patients compared cupping with sham cupping and usual care. The cupping group fared better than usual care, but not better than the sham treatment 4. An observational study with 70 patients with headaches or migraines reported that headache intensity decreased by 66 percent after three months, and the number of headache days fell by an average of 12.6 days per month. There was no control group in this study 3.

3. What Remains Unclear

Many studies are small and have methodological weaknesses. Often, blinding is lacking, meaning participants knew whether they received real or sham treatment. Placebo controls are also difficult because pressure and skin redness are hard to mimic. The applications vary widely, making comparisons difficult. There is little data on long-term effects. For some conditions such as fatigue, skin diseases or high blood pressure, results are contradictory or missing altogether. Research in these areas is still pending. Whether cupping has effects beyond placebo is also not conclusively clarified.

4. What This Means in Everyday Life

Cupping is a traditional procedure that may provide short-term relief for chronic musculoskeletal pain. However, the effects are often moderate and comparable to placebo or usual treatments. Tolerability is generally good, with mild side effects such as bruising. Severe complications are rare but can occur if the procedure is not performed correctly. Anyone trying cupping should be aware that its effects vary from person to person and that the evidence base is inconsistent. Whether standardised applications improve outcomes remains an open question. This page does not provide recommendations or instructions.

All details with study numbers and sources: detailed page on cupping. For children: Cupping for children.