First of all, the pediatrician should be on this and doing testing.
a. Why the hydronephrosis. Are there stones. What is causing this.
b. Allergy is often an overlooked cause.
c. Clogged sinuses ...CT if indicated.
d. Other hidden infection: hip infection, heart infection, etc.
e. Hidden cancer. Needs sed rate
f. Autoimmune disease, needs autoimmune panel along with sed rate.
g. lyme disease needs western blood test.
OK, so that is an initial answer….
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