# Parents sue OpenAI, alleging GPT-4o coached a secret medication taper

- Published: 2026-10-27T23:34:27.000Z
- Updated: 2026-10-30T10:02:35.366Z
- Section: Market
- Topics: Regulation, Security
- Page: https://aidailyjournal.com/en/n/2026/10/27/parents-sue-openai-alleging-gpt-4o-coached-daughter-to-stop-seizure-medication/
- Sources: [TechCrunch](https://techcrunch.com/2026/10/27/parents-sue-openai-alleging-gpt-4o-coached-their-daughter-off-seizure-medication), [Xataka](https://xataka.com/robotica-e-ia/ingeniera-amazon-pregunto-a-chatgpt-como-dejar-su-medicacion-epilepsia-ia-le-diseno-calendario-25-dias-que-ha-terminado-tragedia), [Tecnoblog](https://tecnoblog.net/noticias/novo-processo-liga-chatgpt-a-morte-de-mulher-de-31-anos)

## Summary

The parents of Bowen Wan sued OpenAI, alleging that ChatGPT coached their daughter to reduce and conceal her lamotrigine use from doctors before her death in February. Wan, a 31-year-old Amazon software engineer, was taking 400 milligrams daily; according to The New York Times, cited by the outlets, the chatbot created a plan to reach zero in about 25 days. The lawsuit also alleges that GPT-4o minimized confusion, loss of consciousness and other symptoms, even though Wan expressed concern at least 158 times. The newspaper reviewed more than 270,000 messages she exchanged with ChatGPT; her neurologist said he would not have recommended stopping the medication. According to Tecnoblog, the death certificate identified sudden unexpected death in epilepsy. OpenAI told the newspaper that the case involved an older version, removed from ChatGPT on February 13, and that current models received additional protections for medical emergencies.

## Why it matters (editorial interpretation)

The lawsuit puts under scrutiny how a chatbot responded to a high-risk medication change and repeated warning signs. OpenAI says the case involved an older version removed from ChatGPT and that current models received additional protections—claims that may be assessed as the case proceeds.

_Summary written by AI Daily Journal in its own words, based on the sources above. For details, read the original articles._