When the Labs Mislead: Nitrous Oxide-Induced Functional Vitamin B12 Deficiency Presenting With Polyneuropathy Despite Normal Biochemical Markers

Authors

• Hajelkhidir Bala
• Mazen Ahmed, Corewell Health East Resident
• Ali Mohamedshata, Corewell Health East Resident
• Basil Ahmed, Corewell Health East Resident
• Ali Awadallah, Corewell Health East Resident
• Miqdad Dafallah
• Mohamed Eltayeb
• Mohamed Elmojtaba Ahmed, Corewell Health East Resident
• Shailes Paudel, Corewell Health East Resident

Document Type

Conference Proceeding - Restricted Access

Publication Date

7-2026

Publication Title

Journal of General Internal Medicine

Volume

41

Issue

Suppl 1

First Page

S312

Comments

Annual Meeting of the Society of General Internal Medicine, May 6-9, 2026, National Harbor, MD

Last Page

S312

Recommended Citation

Bala H, Ahmed M, Mohamedshata A, Ahmed B, Awadallah A, Dafallah M, et al. [Ahmed ME, Paudel S]. When the labs mislead: nitrous oxide-induced functional vitamin B12 deficiency presenting with polyneuropathy despite normal biochemical markers. J Gen Intern Med. 2026 Jul;41(Suppl 1):S312. doi:10.1007/s11606-026-10480-w

DOI

10.1007/s11606-026-10480-w