pho·​to·​ther·​a·​py | \ ˌfō-tō-ˈther-ə-pē How to pronounce phototherapy (audio) \

Definition of phototherapy

Examples of phototherapy in a Sentence

Recent Examples on the Web

Your dermatologist may offer in-office phototherapy treatments, but at-home treatments are also starting to gain popularity, thanks to celebrity psoriasis sufferers who've used them. Marci Robin, Allure, "The Best Non-Steroid Topical Treatments for Psoriasis, According to Dermatologists," 10 Sep. 2018 About 70% of people with eczema see improvement with phototherapy, according to the National Eczema Association. Caroline Picard, Good Housekeeping, "10 Things You Should Always Do If You Have Eczema," 19 Mar. 2018 And, if the eczema is very severe and not responding to topical treatments, other options include phototherapy, (aka light therapy). Kaleigh Fasanella, Allure, "How to Treat Facial Eczema, According to Dermatologists," 9 Apr. 2018 During phototherapy, babies only wear a diaper and soft goggles or patches to protect their eyes. Amanda Macmillan,, "6 Things to Know About Jaundice in Newborns," 21 June 2017 Most of the time, parents shouldn’t stress about a jaundice diagnosis, says Dr. Jackson—even if their child does require phototherapy. Amanda Macmillan,, "6 Things to Know About Jaundice in Newborns," 21 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phototherapy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of phototherapy

1899, in the meaning defined above

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Time Traveler for phototherapy

The first known use of phototherapy was in 1899

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More Definitions for phototherapy


pho·​to·​ther·​a·​py | \ -ˈther-ə-pē How to pronounce phototherapy (audio) \
plural phototherapies

Medical Definition of phototherapy

: the application of light for therapeutic purposes

More from Merriam-Webster on phototherapy Encyclopedia article about phototherapy

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