Eli5 why do we produce a lot more saliva right before we vomit?

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I’m currently suffering with a nasty sickness bug and was wondering why my mouth fills with saliva right before I vomit?

NSFW just incase

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Anonymous 0 Comments

To act as a lubricant and as barrier between you and the acidic stomach contents.

Whatever comes out has to come out quickly as a way to keep you alive, or as a cruel addition to psychological stress. Ineffective vomiting could leave to stomach contents causing damage to your airways.

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