A rash that lasts longer than a week or that produces pus needs medical attention. Or soak in baths sprinkled with baking soda or Epsom salts. Until it's gone, scratch the itch with calamine lotion, antihistamines, or anti-itch creams – not with your fingernails. Resolve it: Swimmer's itch clears up quickly. An allergic reaction to the tiny parasites causes a non-contagious rash that is red, raised, and, of course, itchy. Exposed skin makes a temporary home for parasites that prefer ducks, snails, and other wetland animals. Identify it: A rash that pops up within a couple of days of swimming could be swimmer's itch. If you're a home hot-tubber, regularly check the pH and disinfectant levels of your tub. A tub that smells bad or looks visibly dirty? Not so hot. Another way to protect yourself is to only bathe in sanitary tubs. Prevent it: Once you’re out of the hot tub, remove your swimsuit and take a shower as soon as you can. In severe cases, antibiotics may be needed to clear up any lingering infection. Try an anti-itch medication if you're tempted to scratch. Resolve it: Hot tub rash goes away on its own, unless you keep revisiting the contaminated tub or spa. The skin beneath your swimsuit may be especially susceptible, since the bacteria sits longer on that part of the skin. Under certain circumstances (e.g., hot, wet conditions), a bacterium called Pseudomonas aeruginosa can come in contact with the hair follicles, causing an itchy, red, bumpy rash. Identify it: Bathe in a contaminated hot tub, spa, or swimming pool, and you could encounter Hot tub folliculitis. The human body is covered with hair follicles, the tiny pores out of which hair grows. Avoid polyester – a chafing, synthetic fabric that's never at risk of being called "cool." Keep kids cool, too, by not overdressing them on hotter days. Wear loose-fitting, light-coloured clothes made of natural fibres that allow you to sweat as your body needs to. Prevent it: To prevent the prickles, dress cool. Repeated bouts of heat rash can advance to a point where the body doesn't sweat enough, increasing the risk of heat exhaustion. Should the rash get worse, or if it is accompanied by pain, pus, fever, chills, or other signs of infection, seek medical help. If need be, soothe the rash with calamine lotion. Still, if it develops, get out of the heat. Resolve it: Heat rash generally resolves on its own without needing any treatment. Some cases of heat rash have no other symptoms aside from the rash, while others can be intensely itchy and prickly, thus the rash's nickname, prickly heat. So the sweat that should come out of the skin gets trapped beneath the skin and causes lumps that can be pimply, blistery, and red. Sweat can get blocked in several ways – by clothes that don't let the skin breathe, by sweating excessively, by a buildup of bacteria on the skin, or by sleeping under too many blankets. Heat rash happens when sweat ducts become blocked. 13, 2021.Identify it: Expose human skin to hot weather and heat rash is always a possibility. In: Taylor and Kelly's Dermatology for Skin of Color. Exanthematous (maculopapular) drug eruption. Drug hypersensitivity: Classification and clinical features. Health Education & Content Services (Patient Education).Centers for Disease Control and Prevention. Parasites: Cercarial dermatitis (also known as swimmer's itch).American Osteopathic College of Dermatology. Eczema in skin of color: What you need to know.Itch in skin of color: A multicenter cross-sectional study.
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