Care and Treatment of Hot Tub Rash

" “Better known by its medical monikers, dermatitis or folliculitis than hot tub rash, this skin infection is contracted from long exposure to water that is contaminated with the germ Pseudomonas aeruginosa. The same germ causes swimmers ear. The disease iWhile it sounds complicated, it is a fairly easy to treat this skin infection. It can affect anyone of any age who has been exposed to water that contains the Pseudomonas aeruginosa germ ."   

Can Hot Tubs Cause Rashes?

Absolutely if they are not cared for properly. Hot tub rashes are caused by a tiny, invisible germ called Pseudomonas aeruginosa. Unfortunately, this particular germ is very common in our every day environment and can be found in soil and water, water slides, loofah sponges and physiotherapy pools. Being that it’s classified as microscopic, you can’t see it with the naked eye.  The warm envionment of the hot tub provides an ideal breeding ground if the chlorine, bromine and PH of the tub or swimming pool are not at the ideal levels for disinfectdion.

Symptoms

The first signal that you may have hot tub rash will be the rosy red and itchy rash you display on your body. It does not always show up right away, and in fact, you may not see any signs of it until two to three days after you have been exposed to the germ. You may be exposed to it in a poorly maintained hot tub or contaminated pool or even by swimming in a lake. More often than not, children tend to get hot tub rash, simply because they spend a lot of time in water.

Generally speaking, this type of rash will only last for about seven to ten days. However, if it does not and you have an allergic reaction in addition to the rash, see your doctor. It should be noted that the chemicals used to maintain hot tubs, spas and swimming pools may also give you a rash after being exposed. This tends to make it a bit more difficult for your physician to diagnose, but both conditions are easy to treat. Just try not to scratch or you could make the hot tub rash worse.

The rash is not spread from person to person by the eruptions on your skin. The eruptions do leave behind small hyperpimented lesions that slowly fade over time.

hot tub rash
Hot Tub Rash is caused by a germ found in pools and hot tubs that are not properly disinfected.
Source: BayBlab

hot tub rash
Hot Tub Rash caused by the rare organism Nontuberculous mycobacteria
Source: CDC

Diagnosis

When you get to your doctor’s office, they will take a good look at your rash and its location and then start asking you questions about what you have been doing recently. While the itchy spots on your skin that have turned into a raised, red rash may well be hot tub rash, the symptoms are common to other skin rashes. This is why the doctor needs to rule out what you have been doing or what you may have been exposed to lately.

The rash is usually worse in areas that you had covered by a bathing suit, so that is generally a pretty clear signal that your rash is the result of Pseudomonas aeruginosa. Your doctor will also notice that the hair follicles are surrounded by pus-filled blisters. There will be several very small “papules” with a pustule in the middle. You may also experience some fatigue for the first few days, but this germ typically does not produce a fever.

While this rash may appear just about anywhere on your body, the parts of your body that have been in contact with a wet bathing suit usually have more skin lesions.

Treatment

Luckily, most cases do clear up within seven to ten days without any intervention. However, if you need something to help with the itch, here are a few things to try.

  • Silver sulfadiazine cream, twice a day. (Silvadene)
  • Natural Homeopathic skin soother such as Chikkie Spot Soother
  • Vinegar compresses for 20 minutes at a time, two to four times a day. Acetic acid kills bacteria.
  • Sitz baths with luke warm water and baking soda, peppermint or oatmeal, twice a day for 20 minutes at a time.
  • For persistent and resistant cases, the oral antibiotic ciprofloxacin
  • OTC antihistamines
  • OTC itch creams
  • Topical antibiotic cream
  • Mix equal quantities of cinnamon powder and honey and put the paste on the itch
  • Calamine lotion

Rash Prevention

Warm water, like that found in pools and hot tubs is a breeding ground for infection if the water is not treated with some type of disinfectant such as chlorine. The PH of the water also needs to be checked 2x a day with a pool test strip.  If you are concerned with a pool or hot tub operator, use your own test strips and determine if levels meet the following standards:  


  • Pools: Chlorine 1 to 3 parts/million or ppm
  • Hot tubs: chlorine at 2 to  ppm, or bromine levels at  to 6 ppm
  • PH (hot tubs and pools) 7.2 to 7.8

You can download a CDC fact sheet on hot tub rashes (PDF) here.

References:

Centers for Disease Control and Prevention

 




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