Complications and Special ConcernsAs with any medical therapy, treatment brings both risks and benefits. One of the more frequently seen injuries caused by hyperbaric oxygen therapy (HBOT) is barotrauma (ie, injuries caused by pressure as a result of an inability to equalize pressure from an air-containing space and the surrounding environment). [2, 4, 118]

https://emedicine.medscape.com/article/1464149-overview#a16