Temperature readings of 98.1, 97.6, 99.6 in 90 minute span. what is one to make of these readings? catheter removed as result of fevers. what next?

Excessive Checks: Was the catheter a urethral catheter for your kidney stone? Importantly, none of these are tech fevers. Was your temp taken by the same person with the same machine or thermometer? Was it oral, ear, forehead, etc. Did you have anything to eat/drink before any check? You can try this experiment on your own take your temp a few times a day & you will see fluctuations like this. Nl fluctuation.