Symptoms, conditions and causes

What can cause persistent bad breath?

Combatting Bad Breath

Bad breath often stems from fungal and mold presence in the mouth, which can disrupt the balance of good bacteria.

Bad Breath on Keto

During ketosis, a fruity acetone-like smell (similar to nail polish remover) may arise, indicating your body is adapting to fat burning.

Last updated: Mar 29, 2025 02:09 AM