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My sister uses the fefolvit tablet, and their stool turns black while using the fefolvit capsule. What is the reason?
If you're noticing black stools, it is due to the iron content in the fefol-vit capsule. This discoloration is normal and typically harmless, as iron can turn stools black.
My sister uses the fefolvit tablet, and their stool turns black while using the fefolvit capsule. What is the reason?