Hello my husband had acute kidney failure for about a week, creatinine levels of 13, he recovered in the hospital, was diagnosed as high blood pressure, dehydration caused it, since his recovery two years ago, he has joint pain an fluid sometimes in his knee, pain in the knee also, kidneys seem to be fine, pees all day just fine, is good on BP meds, family s long history of kidney issues, he s only 32, not very active, bad diet.