"Hot Tub Rash"
Pseudomonas
Dermatitis / Folliculitis
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What is Hot Tub Rash?
Hot Tub Rash or dermatitis is an infection of the skin. The skin may become itchy and
progress to a bumpy red rash that may become tender. There may also be
pus-filled blisters that are usually found surrounding hair follicles.
Because a swimsuit can keep contaminated water in longer contact with
the skin, the rash may be worse under a person’s swimsuit.
What causes Hot Tub Rash?
Hot Tub Rash infections are often caused by the germ Pseudomonas aeruginosa.
This germ is common in the environment (water, soil) and is microscopic
so that it can’t be seen with the naked eye. Most rashes clear up
in a few days without medical treatment. However, if your rash persists,
consult your healthcare provider.
How is Hot Tub Rash spread?
Hot Tub Rash is spread by direct skin contact with contaminated water.
The rash usually occurs within a few days of swimming in poorly maintained
hot tubs or spas but can also be spread by swimming in a contaminated
pool or lake.
How can I protect myself from Hot Tub Rash?
Be aware that hot tubs and spas have warmer water than pools, so chlorine
or other disinfectants break down faster. This leaves hot tubs and spas
at risk for the spread of RWIs. Therefore, ask your pool manager about
the disinfectant and pH testing program at your hot tub or pool.
Ensuring frequent testing, control of disinfectant (usually chlorine or
bromine) levels, and pH
control are likely to prevent the spread of dermatitis.
For further information on spa maintenance visit
www.cdc.gov/healthyswimming/pdf/cdc_qt_spa.pdf
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