Pediatric Vitamin B-1 Deficiency (Thiamine)

Pediatric Vitamin B-1 Deficiency (Thiamine)



A child who doesn’t get enough of vitamin B-1 in their diet will likely develop a vitamin B-1 deficiency.

Expanded overview

Vitamin B-1 (also known as thiamine) is used by tissues throughout the body. This vitamin helps turn the foods a child eats into energy and is critical to your health. Vitamin B-1 deficiency is rare in the United States today.


When a child doesn’t get enough of this important vitamin from foods or supplements, deficiency can occur. Certain conditions or situations can make a child more susceptible to having a vitamin B-1 deficiency, such as:


Not getting enough vitamin B-1 can lead to a variety of serious problems with the body’s major systems. Signs and symptoms include:

  • Abnormal eye movements
  • Cognitive (thinking) problems
  • Decreased alertness
  • Difficulty breathing
  • Heart problems
  • Problems with memory
  • Problems with muscle coordination
  • Visual impairment

Request Appointment