How long does anaesthetic stay in the body for???

I had an operation just over a week ago now and was wondering how long the remnants of anaesthetic stay in the body for. Immediately after the operation I had some of the most bizarre and crazy nightmares every time i shut my eyes. I'm still having rather more vivid dreams than usual and was wondering do I... show more I had an operation just over a week ago now and was wondering how long the remnants of anaesthetic stay in the body for. Immediately after the operation I had some of the most bizarre and crazy nightmares every time i shut my eyes. I'm still having rather more vivid dreams than usual and was wondering do I still ahve some of the drug in my system.

All answers greatfully accepted!!

Sal x
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