phototherapy

noun

pho·​to·​ther·​a·​py ˌfō-tō-ˈther-ə-pē 

: light therapy

Examples of phototherapy in a Sentence

Recent Examples on the Web

In October 2024, in a study published in JAMA Dermatology, researchers from the Perelman School of Medicine at the University of Pennsylvania found that patients can improve their psoriasis just as well at home with phototherapy devices that are designed to be easy to self administer. —Marisa Meltzer, New York Times, 31 Dec. 2024

Some types of phototherapy, a medical treatment using lightwaves, may be used to treat psoriasis, but this approach is regulated and only used under medical supervision. —Megan Decker, refinery29.com, 19 Jan. 2024

Getting an X-ray on your hands and feet or undergoing phototherapy or light therapy can increase your risk of developing black lines on your nails. —Lindsay Curtis, Health, 10 Oct. 2024

What is the difference between UVA and UVB/phototherapy light treatments? —Humeara Mohamed, refinery29.com, 15 July 2024

Word History

First Known Use

1899, in the meaning defined above

Rhymes for phototherapy

• brachytherapy
• chemotherapy
• cryotherapy
• hydrotherapy
• hypnotherapy
• monotherapy
• psychotherapy
• sclerotherapy
• immunotherapy
• pharmacotherapy
• physiotherapy
• radiotherapy

Medical Definition

phototherapy

noun

pho·​to·​ther·​a·​py -ˈther-ə-pē 

plural phototherapies

: the application of light for therapeutic purposes