What if BUN levels are 90?

A BUN (blood urea nitrogen) level of 90 mg/dL is significantly elevated and may indicate impaired kidney function, dehydration, or other underlying health issues such as heart failure or gastrointestinal bleeding. It's important to evaluate this result in conjunction with other tests and clinical symptoms. Immediate medical attention is recommended to determine the cause and appropriate treatment. Monitoring and further investigation may be necessary to prevent complications.