Nitrous Oxide-Induced Pancytopenia and Peripheral Neuropathy From Chronic Whip-It™ Use: A Case Report.

Authors

Shannon Pierce, Sarah Gergis, Sophia Dragan, Sai Sushrutha Mudupula Vemula, Borys Hrinczenko

Published in

Cureus. Volume 18. Issue 7. Pages e112883. Epub Jul 17, 2026.

Abstract

Nitrous oxide (N₂O) is a colorless, odorless gas gaining popularity among recreational drug users for its euphoric effects. Whip-it!™ is a low-cost, freely available form of N₂O commonly abused in parties and nightclubs. Chronic N₂O use can inactivate vitamin B12, causing severe deficiency, anemia, neuropathy, and myelopathy. Here, we report a 19-year-old female with no significant past medical history who was found unresponsive in her apartment. She admitted to daily Whip-it™ use over the preceding three months. In the emergency department, she reported generalized weakness and tingling in all extremities. Workup revealed pancytopenia and profound vitamin B12 deficiency. She was treated with vitamin B12 supplementation and blood transfusions, with significant symptom improvement by discharge. N₂O inactivates vitamin B12 through irreversible oxidation of the cobalt atom, causing deficiency and neurologic injury. Unlike other classic causes of vitamin deficiency, such as a vegan diet or pernicious anemia, N₂O-induced anemia can occur very rapidly (within days or weeks). Clinicians should consider recreational N₂O use in young patients presenting with cytopenias and neurologic symptoms. Given its easy availability and rising misuse, public health education to raise awareness is needed.

PMID:
42609218
Bibliographic data and abstract were imported from PubMed on 18 Aug 2026.

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