What's with the smell and nausea?

Smell peculiar smell shows nausea and vomiting, this situation belongs to nervous nausea, under normal circumstances need to pay attention to prevent peculiar smell performance, it is best to improve through oral vitamin b6, but also need to pay attention to check whether there are chronic diseases, especially pay attention to whether there are hepatobiliary diseases, if there is hepatitis or liver fatty liver cirrhosis, may cause nausea and vomiting, but must pay attention to liver function test, exclude other diseases.