To answer your question.
There is no way to bring this down fast.
The underlying cause must be addressed.
The main possibilities are
autoimmune kidney disease.
An ultrasound can indicate if there is obstruction, or imply medical disease.
You need a 24 hour urine test now for creatinine and protein.
You can not go directly to a nephrologist in the UK, and your GP can do the initial work up.
Call your GP today.
If you have any symptoms, go to A&E.
I am a double board certified clinical doctor.
Let me know if you have further questions.
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