# Havana syndrome

> English word · Noun

## Definitions
1. An illness of disputed cause, producing symptoms of vertigo, nausea, ear-popping, headaches, and traumatic brain injury, experienced by US ambassadors and agents abroad.

## Etymology
From the first encounter being reported in Havana, the capital of Cuba.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/havana-syndrome