Bacterial Diseases of the Lower Digestive System Symptoms usually include diarrhea,gastroenteritis, dysentery Treated with fluid and electrolyte replacement Infection caused by growth of pathogen Incubation from 12 hr to 2 wk Intoxication caused by ingestion of toxin Symptoms appear 1-48 hr after ingestion • Symptoms usually include diarrhea, gastroenteritis, dysentery • Treated with fluid and electrolyte replacement • Infection caused by growth of pathogen • Incubation from 12 hr to 2 wk • Intoxication caused by ingestion of toxin • Symptoms appear 1-48 hr after ingestion Bacterial Diseases of the Lower Digestive System