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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Most common side effect of 5-fluorouracil is:
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The correct answer is  (Ref: KDT 6/e p824; Harrison 16/e p596) Diarrhea is the most common adverse effect of 5-FU. It can also cause hand and foot syndrome and bone marrow suppression.