Are there different health concerns with hot tubs and spas than with swimming pools?
Yes. Infections that cause diarrhea are the most common types of illnesses spread in swimming pools. In hot tubs, skin infections are the most common concern. What is dermatitis? Dermatitis is a skin infection in which the skin becomes itchy and develops a bumpy red rash. The skin may also become tender and develops pus-filled blisters surrounding the hair follicles. The rash may be worse under a persons swimsuit because the swimsuit may keep the contaminated water in contact with the skin longer. Because of its association with hot tubs, the rash is sometimes called hot tub itch or hot tub folliculitis. Most rashes will clear up in a few days, but if a rash persists, you should consult your health care provider. What causes dermatitis? Dermatitis is caused by contact with water contaminated with a type of bacteria called Pseudomonas aeruginosa. The bacteria cannot be seen with the naked eye, which is why it is important to test the water in your hot tub at least once a week. The rash
