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What are the side effects of nitrous oxide?

7 doctors weighed in
Dr. Karen Sibert
Anesthesiology
6 doctors agree

In brief: Sleepiness, nausea

Nitrous oxide is a gas that can be used as a component of general anesthesia.
It is a weak anesthetic in its own right, and is sometimes used in dental offices to supplement pain relief. Its main effect is drowsiness or sleep, and the most common side effect is nausea. Nitrous oxide is used much less in anesthesia today since we have other, more potent anesthetic gases in wide use.

In brief: Sleepiness, nausea

Nitrous oxide is a gas that can be used as a component of general anesthesia.
It is a weak anesthetic in its own right, and is sometimes used in dental offices to supplement pain relief. Its main effect is drowsiness or sleep, and the most common side effect is nausea. Nitrous oxide is used much less in anesthesia today since we have other, more potent anesthetic gases in wide use.
Dr. Karen Sibert
Dr. Karen Sibert
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