Sweet-smelling breath and its dangers. While a fruity or sweet breath odor may seem harmless, it can indicate serious metabolic issues. For example, individuals with diabetes may experience ...

If you notice a persistent sweet, fruity odor on your breath that doesn’t resolve after brushing your teeth, especially if accompanied by increased thirst or frequent urination, don’t dismiss it.

If your breath smells like acetone -- the same fruity scent as nail polish remover -- it may be a sign of high levels of ketones (acids your liver makes) in your blood.

Bad breath can arise from a problem in your mouth or throat, or from metabolic processes. Depending on the cause, your breath may smell sweet, sour, rotten, musty, fishy, or like ammonia.

Anyone living with diabetes whose breath suddenly has a fruity, acetone-like smell should check their blood sugar and ketone levels, as it could be a sign of diabetic ketoacidosis.

Halitosis: 11 Possible Reasons Your Breath Smells Bad. ... However, it can also have a fruity smell. Not Eating All Day . Skipping meals is a surefire way to have bad breath.

Fruity-smelling breath can also be a sign of diabetic ketoacidosis, a life-threatening complication that occurs when ketone levels are so high that the blood becomes acidic, according to th e ...

3. Keto diet. What it smells like: Fruity, unusually sweet or nail polish remover Why it happens: When it comes to types of bad breath smells, this one has become more common in recent years.Ultra ...

If you have diabetes and experience a sudden fruity smell in your breath accompanied by frequent urination and a very high blood glucose level, see a doctor immediately. Diabetic ketoacidosis is a ...

The result is a breath that smells fruity or like acetone (the main ingredient in nail polish remover), because acetone is a ketone, says Hoss.