And so, if you are uncomfortable with a constant sweet and fruity odour ... One of the ketones - acetone can cause your ...

This process increases the production of a chemical called ketones. High ketone levels cause breath that smells sweet, fruity, or like acetone or rotten apples. Onions contain smelly sulfur compounds.

This test detects a ketone called acetone in your breath. Acetone gives your breath a fruity smell, which might indicate you need a ketone test. You will breathe into a breath analyzer.