The medical term for indigestion is:

A) dyspepsia.
B) dysphagia.
C) stomatitis.
D) ascites.

Dyspepsia

A term that describes discomfort or pain in the upper abdomen, typically referred to as indigestion.

Ascites

Accumulation of fluid in the peritoneal cavity, often due to liver disease or heart failure.

Dysphagia

Difficulty or discomfort in swallowing, as a symptom of disease.