dermatitis
noun
or dermatitises
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Dermatitis usually appears as a rash, and may cause itching, blisters, swelling, and often scabbing and scaling. It often marks an allergic reaction of some kind. Contact dermatitis is caused by something (often a chemical) touching the skin. Atopic dermatitis usually affects the insides of the elbows, the backs of the knees, and the face; generally resulting from an inherited sensitivity, it's often triggered by inhaling something. Eczema, psoriasis, and dandruff are all forms of dermatitis. Even in the worst cases, dermatitis isn't infectious and doesn't produce serious health consequences.
Examples of dermatitis in a Sentence
Elizabeth Barnes, Verywell Health, 5 Nov. 2024
In a TikTok posted on Tuesday, July 16, the 24-year-old actress shared her skincare routine while opening up about her recent frustrations with perioral dermatitis.
—Catherine Santino, Peoplemag, 17 July 2024
Seborrheic dermatitis also causes inflammation, which includes scalp swelling and skin discoloration.4
Other Possible Causes
Contrary to popular belief, dandruff is not caused by poor hygiene.
—Cristina Mutchler, Verywell Health, 29 Oct. 2024
One beauty editor developed chronic dermatitis after the severely drying AviClear laser degraded her skin barrier and resulted in microbiome dysbiosis.
—Jessica Ourisman, Forbes, 4 Oct. 2024
See all Example Sentences for dermatitis 
Dictionary Entries Near dermatitis
Cite this Entry
“Dermatitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dermatitis. Accessed 22 Nov. 2024.
Copy CitationKids Definition
dermatitis
noun
or dermatitises
Medical Definition
dermatitis
noun
called also dermitis
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