Archive · 30 Dec 2025
Teen Wakes Up Speaking Only English After Knee Surgery
A 17-year-old boy from the Netherlands had knee surgery and woke up speaking only English instead of his native Dutch.
He didn't recognize his parents and thought he was in the United States.
Doctors found out he had a rare condition called Foreign Language Syndrome, where people suddenly speak a different language they know.
This condition is very rare and not well understood.
The boy had no history of mental health issues and the surgery went well with no complications.
Doctors documented this case to learn more about this unusual condition.
A 17-year-old Dutch boy woke up speaking only English after a routine knee surgery.
He did not recognize his parents and insisted he was in the United States.
Doctors diagnosed him with Foreign Language Syndrome (FLS), a rare condition.
The boy had no prior psychiatric history or relevant family medical history.
The surgery was successful with no immediate complications.
- Who
- A 17-year-old Dutch boy
- What
- Woke up speaking only English after knee surgery
- When
- After a routine knee surgery
- Where
- In a hospital in the Netherlands
- Why
- Diagnosed with Foreign Language Syndrome (FLS)
- Patient Age
- 17
- Native Language
- Dutch
- Post-Surgery Language
- English
- Condition
- Foreign Language Syndrome (FLS)
- Location
- Netherlands
- Surgery Type
- Knee surgery
- Injury Cause
- Football accident