Bitter water in the mouth at night, may be caused by physiological reasons such as food consumed before going to bed, but also may be caused by reflux esophagitis, bile reflux gastritis and other pathological reasons.
1. Physiological reasons: overeating, eating a lot of fried chicken, spicy hot pot, cold soda, coffee, strong tea, alcohol, onions, mutton and other spicy and stimulating, cold and greasy food before going to bed, stimulate the gastrointestinal mucosa, increase the burden on the gastrointestinal tract, thus causing nausea, vomiting, belching (burp), acid reflux, bitter mouth, stomach pain and other indigestion symptoms.
2. Pathologic causes:
Bile reflux gastritis: alkaline reflux gastritis, diabetes mellitus, peptic ulcer, gastric vagotomy and other reasons, can cause bile, pancreatic fluid and other intestinal contents, from the duodenum back into the stomach and caused by chronic inflammation of the gastric mucosa, erosion or even ulceration.
Upper abdominal pain, acid reflux, nausea, bitter taste in the mouth, loss of appetite and other symptoms, serious cases can lead to gastrointestinal bleeding, manifested as vomiting blood, black stools and so on.
Bitter water reflux in the mouth at night, it is recommended to consult a doctor in time to clarify the diagnosis, under the guidance of the doctor for targeted treatment.