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Health Topics/Nutrition/Diet & Nutrition/Vitamins/Vitamin B9

What do I do if I take too much folic acid?

Stacy Wiegman, PharmD
Stacy Wiegman, PharmD
Pharmacy
If someone takes too much folic acid, emergency medical attention is important. You may also contact the local poison control office (1-800-222-1222). Symptoms include:
  • Nausea
  • Gas
  • Rash
  • Sleep problems
  • Irritability
  • Bitter taste

Folic acid is water soluble (dissolves in water), so excess amounts are removed in urine. Chronic high doses may cause problems for people taking anticonvulsants; high levels may lead to seizures.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.