How is Pseudomonas folliculitis (hot tub folliculitis) prevented?

Updated: Oct 02, 2020
  • Author: Charles B Toner, MD; Chief Editor: Dirk M Elston, MD  more...
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Proper maintenance and chlorination of pools, hot tubs, whirlpools, and spas are essential to decrease the population of Pseudomonas species. The Centers for Disease Control and Prevention recommend a free chlorine concentration of 1-3 mg/L and a pH of 7.2-7.8. [32] However, P aeruginosa has been recovered from adequately chlorinated water containing 2 mg/L of free chlorine. Bromine is considered an acceptable alternative to chlorine and is considered more effective in hot water, with a longer period of activation.

Complete drying of sponges between uses is essential because P aeruginosa does not survive drying.

Showering after exposure to contaminated water does not seem to prevent Pseudomonas folliculitis.

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