Bitter taste in the mouth can be caused by various factors including digestive issues, acidity, dehydration, and poor oral hygiene. Acid reflux, bacterial growth due to lack of saliva, and side effects of medications like antibiotics or blood pressure drugs are common reasons. Health conditions such as diabetes, liver problems, gum diseases, and fever can also contribute to this sensation. https://www.sathyamonline.com/health/51616-health-tips-12063640 #creator program