When a chiropractor does simple adjustments to your spine, the muscles around your Eustachian tube can be affected in such a way that the muscles will not tighten affecting the inflammation or swelling in your Eustachian tube. Lastly, pain relief with chiropractic adjustments can also happen when you visit a chiropractor. Since your muscles will be affected by the adjustments, the fluid accumulating in your ear will be discharged naturally.