Clinical guidelines Chapter 3: Gastrointestinal disorders Acute diarrhoeaShigellosisAmoebiasisDisorders of the stomach and duodenumGastro-oesophageal refluxGastric and duodenal ulcers in adultsDyspepsiaStomatitisOral and oropharyngeal candidiasisOral herpesOther infectious causesStomatitis from scurvy (vitamin C deficiency)Other lesions resulting from a nutritional deficiency