Do PPIs cause bad smell from the mouth?

Unpleasant smell from the mouth can be caused m.in. by gastroesophageal reflux, tooth decay, oral infections. PPIs may cause taste disturbances. We wrote more in the opinion: https://www.gdziepolek.pl/opinie-i-pytania/95960/witam-czy-leki-ipp-moga-powodowac-zaburzenia-smakowe-od-miesia If the smell persists, I encourage you to consult a doctor. You can also use the teleadvice offered, m.in. by the Gdziepolek.pl portal: https://www.gdziepolek.pl/telekonsultacja Perhaps bad breath is the result of increased gastroesophageal reflux, during which you use a drug from the PPI group. This may be mistakenly considered an adverse reaction of the medicine. If it is confirmed that in your case bad breath is the result of using a drug from the PPI group, I encourage you to report the occurrence of this type of side effect. Reporting adverse reactions allows you to increase control over medicines available on the market. We wrote more about how and why to report side effects in the article: https://www.gdziepolek.pl/artykuly/jak-i-dlaczego-zglaszac-dzialania-niepozadane I encourage you to read additional materials that may be useful: https://www.gdziepolek.pl/artykuly/czy-bac-sie-dzialan-niepozadanych-lekow https://www.gdziepolek.pl/artykuly/jak-radzic-sobie-ze-zgaga