Although oxygen is essential for human life, you can be poisoned by breathing pure oxygen under high pressure.
Symptoms include tingling of the fingers and toes, visual disturbances, auditory hallucinations, confusion, muscle twitching, nausea, vertigo, and convulsions.
Condition caused by breathing pure oxygen under high atmospheric pressure. Symptoms include tingling of the fingers and toes, visual and auditory hallucinations, mental confusion, muscle-twitching, vertigo, and convulsions.