Research shows that DMSO slows or blocks conduction of impulses along nerve cells, which in effect reduces pain from musculoskeletal injuries, postoperative incisions and other sources. Relief is only temporary—lasting up to a few hours—because as the DMSO dissipates, normal nerve function returns.

Why is DMSO banned?

In 1965, however, the FDA banned all clinical trials involving DMSO because it was found to cause changes in the refractive index of the lens in the eyes of a number of animals [10].

Is DMSO harmful to humans?

To make matters worse, DMSO is easily absorbed through the skin, so it carries these impurities rapidly into the body. Some side effects of taking DMSO include skin reactions, dry skin, headache, dizziness, drowsiness, nausea, vomiting, diarrhea, constipation, breathing problems, and allergic reactions.