hello doctor. my wife is a lupus patient foe the past 18 years. recen years from 2017 she has developed lupus nephritis. her crea is fluctuating 7.1, 8.3, 5.8, 8.0, nd now 6.0. she is also heart arrhymic patient. cardiologist has suggested cordarone 100 and levocarnitine 500. she is not doing dialysis time being. can we give levo carnitine tab cos her crea and urea is high. or we hav to consult nephro. her muscle are weak cos dieuretics she is taking.