Get Virtual Care
For Businesses
About Us
A member asked:
Can taking 1000 mg daily of an orange chewable vitamin c cause occult blood in a color guard test?
2 doctors weighed in across 2 answers
No. Vitamin C would not cause a false positive Cologuard test. If you had a positive test, it is imperative that you consider getting colonoscopy.
Answered 2/25/2022
0 views
The orange color should not affect the colon test BUT if you take it regularly (usually not a bad thing) & it causes some stomach inflammation with bits of bleeding there is a possibility it could lead to a positive test. Your Dr MIGHT consider repeating your test in 4-6 weeks while off of vitamin C but may also want you to consider colonoscopy 4-6
Answered 2/26/2022
0 views
Related Questions
A member asked:
Can taking cranberry pills cause moderate microscopic blood in urine on urine analysis test because of vitamin c?
A doctor has provided 1 answer
A member asked:
My vitamin B12 went from 178 to 758 on my next blood test 2 years later. Would a daily supplement really raise it that much? I am a 50 yr old woman.
A doctor has provided 1 answer
A member asked:
Can a vitamin d make me itchy? Blood test show insufficient vitamin d level, started taking 400iu twice daily. Noticed my skin is a bit itchy.
2 doctors weighed in across 2 answers
A member asked:
Was deficient in vit d and B12 few years ago, would it be a good idea to check other vitamin blood tests like b3 or c or e to check cause of fatigue.?
5 doctors weighed in across 2 answers
A member asked:
What would cause high levels of b vitamins on blood test in someone malnourished ?
A doctor has provided 1 answer
People also searched for:
Is it possible for vitamin C in orange juice and ascorbic acid to affect high blood pressure medication?
Does vitamin C and sugar in oranges help reduce blood pressure?
Blood test came back low vitamin d. Dr recommends 2000 iu daily 50000 iu weekly. Does that seem excessive? Could low vit d be caused by deposit shot?
Most food includes B vitamins niacin and riboflavin which are said to cause false interaction with the gFOBT occult tests. How much does it takes of these B vitamins to generate inaccurate results on the gFOBT occult blood stool test? Thank you?
I have been taking vitamin b12 5,000 mcg for a few years now. I had a b12 blood test taken yesterday and it was 2000 pg/mL. Can taking vitamin b12 cause this elevation? Can this cause health issues for me?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Download HealthTap
Video visit and message your doctor
