Causes of dry retching?!

Question: what are the main causes of dry retching(dry heaving)

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Answers: what are the main causes of dry retching(dry heaving)

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It is usually a mental thing. It could be a smell or a taste that can sometimes be linked to a bad experience such as eating something bad in the past or getting sick from something. The smell or taste registers in your brain and reminds you of a specific situation, usually the result is a gag or the dry heaves.

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