Top answers from doctors based on your search:
bun
A 16-year-old male asked:

Dr. Robert Killian answered
28 years experience General Practice
Kidney testing: BUN is elevated when one is not ill if the patient is fasting, is a bit dehydrated or has not eaten or drank much fluid before the test. It is rarely ... Read More
3
3 thanks

Dr. Mahmoud Shoib answered
13 years experience Internal Medicine
Dehydration: It increases with dehydration, just keeping your self well hydrated will help you normalize it, if you are so worried about it, ..
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
A 36-year-old member asked:

A Verified Doctor answered
A US doctor answered Learn more
No!: It's within the norm.
A 79-year-old male asked:

Dr. Ralph Morgan Lewis answered
38 years experience Family Medicine
BUN: Normal range is 7-39 mg/dl; no adjustment for age is required.
1
1 comment
A 46-year-old male asked:

Dr. Dwain Rickertsen answered
36 years experience Family Medicine
Family practice : It stands for blood urea nitrogen. It is usually run with a creatine test to determine how your kidneys are functioning.
1
1 thank
A 74-year-old female asked:

Dr. John cuong Doan answered
18 years experience Family Medicine
High BUN: May mean that you have kidney disease, or hemolytic anemia, or gastrointestinal bleeding, or stomach obstruction. Dehydration also can cause the level ... Read More
A 35-year-old member asked:

Dr. Heidi Fowler answered
25 years experience Psychiatry
Blood urea nitrogen: BUN (Blood urea nitrogen) helps to indicate kidney function. Usually 7 to 20 mg/dL is normal in adults.
A 44-year-old member asked:

Dr. Charles Glassman answered
36 years experience Internal Medicine
Low BUN: It could.
A 36-year-old male asked:

Dr. Mohamed Aboyoussef answered
26 years experience Rheumatology
Kidney function test: The ratio is acceptable provided that the bun & creatinine are within normal ranges. Stay well hydrated and drink enough water. Best wishes.
1
1 thank
A 62-year-old female asked:

Dr. Greg Hinson answered
27 years experience Family Medicine
Nope.: An elevated BUN level is much more concerning than a marginally low one like yours. When high, the BUN means your kidneys are not working well (can al ... Read More
1
1 thank
A 57-year-old female asked:

Dr. Kathleen Saradarian answered
34 years experience Family Medicine
No: Ideally, this number should be around 10. When it's mildly elevated, that means you are mildly dehydrated usually. This can happen just from the fas ... Read More
1
1 comment
3
3 thanks
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
People also searched for:
Connect by text or video with a U.S. board-certified doctor now — wait time is less than 1 minute!
24/7 visits
$15 per month