Stool occult blood?: Occult blood test should be done. If negative, suggest food coloring products may cause this. Sounds simple but categorically rule out GI bleed, or look for a source like fissures, tears, hemorrhoids etc. A scope may be needed as the last step.
Answered 10/12/2014
3.7k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question