Why do I need a BUN test?Your health care provider may order a BUN test as part of a routine check-up or if you have or are at risk for a kidney problem. Although early kidney disease usually does not have any signs or symptoms, certain factors can put you at a higher risk. These include:Family history of kidney problemsDiabetesHigh blood pressureHeart diseaseIn addition, your BUN levels may be checked if you are experiencing symptoms of later stage kidney disease, such as:Needing to go the bathroom (urinate) frequently or infrequentlyItchingRecurring fatigueSwelling in your arms, legs, or feetMuscle crampsTrouble sleeping
