Does Vitamin B12 Cause Constipation?

Featured Article
Alternative Names

Macrocytic anemia


People with mild anemia may have no symptoms, or symptoms may be very mild.

More typical symptoms of vitamin B12 deficiency anemia include:

  • Diarrhea or constipation
  • Fatigue, lack of energy, or light-headedness when standing up or with exertion
  • Loss of appetite
  • Pale skin
  • Problems concentrating
  • Shortness of breath, mostly during exercise
  • Swollen, red tongue or bleeding gums

Symptoms from nerve damage caused by vitamin B12 deficiency that has been present for a...

Read more

More information on "Does Vitamin B12 Cause Constipation?"

From Our Experts

See more SharePosts »

From Our Sources

More on Diet & Exercise »

Ask a Question

Get answers from our experts and community members.

View all questions (1065) >