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What causes low BUN and low creatinine?

What causes low BUN and low creatinine?

A low BUN-to-creatinine ratio may be caused by a diet low in protein, a severe muscle injury called rhabdomyolysis, pregnancy, cirrhosis, or syndrome of inappropriate antidiuretic hormone secretion (SIADH).

How does potassium affect creatinine?

Potassium supplementation did not cause any change in circulating creatinine levels (WMD 0.30 µmol/L, 95% CI -1.19 to 1.78, p=0.70).

Does kidney failure cause high potassium?

In the early stages of kidney disease, the kidneys can often make up for high potassium. But as kidney function gets worse, they may not be able to remove enough potassium from your body. Advanced kidney disease is a common cause of hyperkalemia.

What diseases cause low creatinine levels?

Low creatinine clearance levels can mean you have chronic kidney disease or serious kidney damage. Kidney damage can be from conditions such as a life-threatening infection, shock, cancer, low blood flow to the kidneys, or urinary tract blockage.

What are the symptoms of low BUN?


  • Frequent urination.
  • Discolored urine (bloody, dark, or foamy)
  • Joint pain.
  • Bone pain.
  • Back pain.
  • Muscle cramping.
  • Restless legs.
  • Fatigue.

What problems does high potassium cause?

Having too much potassium in your blood can be dangerous. Potassium affects the way your heart’s muscles work. When you have too much potassium, your heart may beat irregularly, which in the worst cases, can cause heart attack. If you think you are having a heart attack, call 911 for emergency help.

What happens when your potassium is too high?

If high potassium happens suddenly and you have very high levels, you may feel heart palpitations, shortness of breath, chest pain, nausea, or vomiting. This is a life-threatening condition that requires immediate medical care. If you have these symptoms, call 911 or go to the emergency room.

What causes high potassium and creatinine?

The leading causes of hyperkalemia are chronic kidney disease, uncontrolled diabetes, dehydration, having had severe bleeding, consuming excessive dietary potassium, and some medications. A doctor will typically diagnose hyperkalemia when levels of potassium are between 5.0–5.5 milliequivalents per liter (mEq/l).

What is the main cause of high potassium?

The most common cause of high potassium is kidney disease. Other causes of high potassium include: Dehydration. Some medicines.

Should I worry if my creatinine is low?

Low blood creatinine levels are not always a concern. They can just indicate a diet low in protein [43]. Your doctor will interpret your results, taking into account your medical history, symptoms, and other test results.

What is considered dangerous high bun level?

What is a dangerous high BUN level? The normal BUN level is between about 7 and 21 milligrams per deciliter (mg/dL). Unless this level is greater than 60 mg/dL, it may not help your healthcare provider measure your kidney health.

What does a high bun mean in a blood test?

Normal BUN levels vary, but high levels in your blood sample usually mean your kidneys aren’t working normally. They can be a sign of kidney disease or failure. Higher than normal BUN levels may also indicate dehydration, high-protein diet, medications, burns or other conditions. Your doctor tell you what your results mean.

What are the symptoms of high BUN levels?

What are the symptoms of high BUN levels? In 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 infrequently. Itching. Recurring fatigue. Swelling in your arms, legs, or feet. Muscle cramps.

What do high levels of Bun indicate?

Kidney Function Tests. The creatinine blood test and blood urea nitrogen (BUN) test are used to assess kidney function in people with lupus kidney disease (nephritis).

  • Blood Glucose (Sugar) Test.
  • Fasting Lipid Profile.
  • Protein.
  • Electrolytes.
  • Liver Tests.
  • Thyroid Tests.
  • Sources.
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