Hello and welcome to HCM.
As an
Urologist, i can fully understand your concern.
It's very essential to know the age of your husband, and present Hb, urea,
creatinine,GFR,Na,K,uric acid, sugar/ HbA1C, urine protein,and
ultrasound scan of abdomen. Report the intake / output of urine in 24 hours.
Mention the present medication given and send them here, in my name, for an expert opinion, regarding further management.
Generally, in this stage, most people need thrice weekly
dialysis.
Wishing him well.