PWSA Blog

Ask Nurse Lynn: Body Temperature Fluctuations

Question:

Female, 12 years old, unknown deletion

My daughter has been getting a temperature on and off during the day and night, but otherwise she seems fine. Could this be an issue with regulating her body temperature? If so, how is something like this treated, and what type of doctor should we see?

Nurse Lynn’s Response:

Temperature changes, both higher and lower, can happen more often in individuals with Prader-Willi syndrome because the hypothalamus, the part of the brain that regulates temperature, doesn’t always work in a typical way. This can cause intermittent fevers, swings in body temperature, or times when a child feels warm or flushed even though they appear well. So yes, temperature-regulation difficulties can occur in PWS.

However, before assuming this is related to hypothalamic dysfunction, it’s important to rule out more common causes first. Children with PWS often don’t show the usual signs of pain or illness, so even if she looks fine, there may still be an underlying issue.

If this does turn out to be related to temperature regulation, treatment focuses on environmental management rather than medications. Helpful strategies include avoiding overdressing, keeping room temperatures steady, encouraging regular hydration, and tracking when temperature shifts occur to identify patterns.

I would start with your pediatrician. They can check for infections or other common causes. If everything looks normal but the temperature swings keep happening, the next step would be to speak with her endocrinologist, who understands how the hypothalamus and hormones affect temperature.

Resource:

https://www.pwsausa.org/resources/medical-issues-a-z/

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