A 22-year-old female asked:
Why is my stool black? i've been taking biotin, iron, epa-dha complex and multi-vitamin pills. my hair has been falling off more than usual as well.
1 doctor answer • 4 doctors weighed in

Dr. Gurmukh Singhanswered
Pathology 51 years experience
Agree with Dr. F.: The things you are taking are neither helping nor causing hair loss. You may wish to stop taking iron and see what happens.
Get HPV vaccine
Created for people with ongoing healthcare needs but benefits everyone.
232 viewsReviewed >2 years ago
Last updated Jan 7, 2019
People also asked
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $44!
50% off with $19/month membership
Disclaimer:
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.