Chronic diarrhea

1. Chronic diarrhea + blood / pus

1. Infectious

Culture & sensitivity

Traveler's diarrhea is less likely to sustain 4 weeks. However, if no prior therapy has been given it is wise to start with an antibiotic before exposing the patient to the dilemma of investigation.

Other infections such as parasitic / fungal infections.

2. Inflammatory

Procto- sigmoidoscopy, barium enema, colonoscopy


2. Chronic diarrhea + nausea & vomiting

As acute diarrhea, however, very unlikely for food poisoning and viral gastro-enteritis to sustain 4 weeks.


3. Drug related

History, S&S of drug abuse / intake

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