7 answers

"Reverse" Fever

When my daughter gets sick with pretty much anything, i.e. flu, sinuses, colds her temperature drops instead of raises. I have only heard of this in conversation. I have not been able to find any info on line. Is this a. normal and b. what is this type of phenomena called medically speaking. When I have checked for info on various medical sites it inevitably refers me to hypothermia, which I know she doesn't have. Any help is much appreciated.

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So What Happened?™

Marisa inquired about the age of my child. She is 8 years old. I haven't brought it to my pediatricians attention because it has never been a real problem (never cause for an ER visit or anything like that). Just more of a curiosity. It just strikes me as a litte odd. I appreciate the responses especially Angela K. Thanks for the research. I will be looking into this more closely.

PS right now she is fine and body temp back to normal. Thank you

More Answers

I found a couple bits of information for you on the internet. I did see other people mention that family members have reverse fevers or that they have a normally low body temperature, but they were mentioned as asides rather than a diagnosis. Below is a chart that explains the normal temperature range according to where on the body the temperature was taken.

Rectal: 97.9F - 100.4F, Fever >100.4F
Oral: 95.9F - 99.5F. Fever >99.7F
Axillary (under arm): 94.5F - 99.2F, Fever >99.3F
Tympanic (Ear): 96.3F - 99.9F, Fever >100F

The second is a question someone asked online and a response. Don't know the qualifications of the responder, so don't know how much value to assign to the answer: http://www.justanswer.com/questions/1eg7r-is-there-such-a...

To help narrow the search, I googled:
"reverse fever" -hypothermia -blister

Using quotes around your search words indicates that they should be listed next to each other, not just in the same sentence or page randomly.

The - sign before a word indicates that the word should be eliminated from the search results. Now you won't have to sift through all the hypothermia and fever blister sites.

Good luck. I hope this helps.

1 mom found this helpful

I know my husband does the same thing his temperature will drop a degree or 2 below normal when he is feeling icky with something. I've never talked to a doctor about it but it might be worth checking with your pediatrician.

My little sister has a condition called "Episodic Spontaneous Hypothermia with Hyperhidrosis" my parents went into her room one night to kiss her good night and she was freezing, they took her temperature and it was super low she wasn't sick so I'm not sure if it's the same thing but I thought it was something to look into.

Good luck!

I don't know a medical term for this I just know that I have been like this all my life. I'm now 47. The other thing that goes with it in me anyway is a low blood pressure. I remember going to the Dr. once and they took my temp and blood pressure and she looked at me as said that she takes this as normal for me as most people would have been on the ground and out cold. Yep, that's me. I have also never found any info on the subjusct. Always made it hard for me to convince my mom I was sick as there was no fever. Not that I still wouldn't feel that way. Have hot and cold symptoms when sick.

We were in the NICU recently with RSV and the nurse practitioner mentioned to me that this happens with preemies: their temperature drops instead of rises when they fight infections. It doesn't sound like you have a tiny one. I just mention it in case it helps you with your search for an answer.

This is normal in infants--how old is your child? This is a question to ask your pediatrician, though

I haven't found much info on this either, but I too, have had this phenomena all my life, and I'm 37 years old. I never ran a fever as a child (or adult), even if I was sick, and infact, ran a few degrees colder than "normal". Make the school nurse aware, as this was often a problem for me at school-- because I didn't run a fever, nobody ever took me seriously that I was really sick. Good luck finding more info!

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