Table of Contents
What is a normal BUN level for a child?
The reference ranges for the BUN levels are as follows : Adult: 10-20 mg/dL or 3.6-7.1 mmol/L (SI units) Elderly: May be slightly raised beyond adult levels. Child: 5-18 mg/dL.
What are normal BUN ranges?
In general, around 6 to 24 mg/dL (2.1 to 8.5 mmol/L ) is considered normal. But normal ranges may vary, depending on the reference range used by the lab and your age. Ask your doctor to explain your results. Urea nitrogen levels tend to increase with age.
What level of BUN is concerning?
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. A better measure is the ratio of BUN to creatinine found in your blood.
What does a high BUN in kids mean?
A high BUN value may be caused by a high-protein diet, Addison’s disease, or tissue damage (such as from severe burns), or from bleeding in the gastrointestinal tract. High BUN-to-creatinine ratios occur with sudden (acute) kidney problems, which may be caused by shock or severe dehydration.
What drugs increase BUN levels?
Commonly prescribed medications that may raise your BUN levels include:
- amphotericin B (AmBisome, Fungizone)
- carbamazepine (Tegretol)
- cephalosporins, a group of antibiotics.
- furosemide (Lasix)
- rifampin (Rifadin)
- spironolactone (Aldactone)
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.
- Recurring fatigue.
- Swelling in your arms, legs, or feet.
- Muscle cramps.
- Trouble sleeping.
Is a BUN of 26 bad?
General reference ranges for a normal BUN level are as follows: Adults up to 60 years of age: 6-20 mg/dL. Adults over 60 years of age: 8-23 mg/dL.
What is a very high BUN level?
A high BUN value can mean kidney injury or disease is present. Kidney damage can be caused by diabetes or high blood pressure that directly affects the kidneys. High BUN levels can also be caused by low blood flow to the kidneys caused by dehydration or heart failure. Many medicines may cause a high BUN.
How do you treat high BUN levels?
Proper hydration is the most effective way to lower BUN levels. A low-protein diet can also help lower BUN levels. A medication wouldn’t be recommended to lower BUN levels.
What are dangerous levels of Bun?
The ideal ratio of BUN to creatinine falls between 10-to-1 and 20-to-1. Having a ratio above this range could mean you may not be getting enough blood flow to your kidneys, and could have conditions such as congestive heart failure, dehydration, or gastrointestinal bleeding.
What causes elevated BUN levels?
The following factors can lead to elevated BUN levels: kidney damage, failure, or disease. dehydration. shock. urinary tract blockages or disease. gastrointestinal bleeding. heart attack. heart failure.
What are the symptoms of elevated BUN levels?
The symptoms of elevated BUN levels include, fatigue, nausea, insomnia, dry itchy skin, etc. Given below are some of the major causes that can lead to an increase amount of BUN in the blood.
What medications cause low BUN levels?
BUN levels can increase with the amount of protein in the diet. High-protein diets may cause abnormally high BUN levels while very low-protein diets can cause an abnormally low BUN. A wide variety of drugs can cause an increase in BUN. Drugs that can decrease BUN include chloramphenicol and streptomycin.