A 40-year-old female asked:

Taking 1000mcg sublingual b12 and 14mg iron for last 5 days. after taking within a hour getting tingling in feet and hands. lasts all day. b12?

1 doctor answer1 doctor weighed in
Dr. Eric Kusher
40 years experience
Possibly: Could be the B-12, or if you are taking a B-complex or Niacin also could cause this. Best to take methylated B-12 (Methylcobalamin) as best assimilated and utilized.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Aug 20, 2014


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.