Sorry for the late reply and inconvenience.
Thanks for all this additional information.
I understand your concern.
And it’s my first privilege to pay attention and provide you with suggestions to relieve your discomfort/ worry.
The typical range for serum creatinine is: For adult men, 0.74 to 1.35 mg/dL .
The normal range can vary from lab to lab.
You should see your doctor and ask for blood work including Liver function test, CRP, Absolute Eosinophil count for further evaluation.
Peripheral Neuropathy can be contributing factor to your itching on the lower half of the body.
And start vitamin B 12 supplement and vitamin D 3.
Use colloidal oatmeal bath and calamine lotion.
Take OTC Allegra.
Hope I have been able to clarify the situation for you and helped in resolving your query.
Let me know if you have any further queries so we can discuss it thoroughly in every aspect.
It’s my pleasure to continue this conversation until you satisfy.
Waiting for your response.