Candida growth in urine culture cannot be always taken significant. Most of the times, its just a coloniser (meaning it just grows in the urine pathway normally for some people).
If you are using a urine catheter to pass urine, could be because of that also.
Infection could be due to some other reason also. The colony count of candida is also only 10 to the power of 3.
It will take 2 to 3 days for fever to settle if it is due to this candida.
Next Steps
Repeat a urine culture in a good lab
Do :
CBC
Blood culture
Urine routine
LFT
RFT,
electrolytes
Peripheral smear
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Have to rule out other infection also.