Ferrous sulfate
Brand: Feosol
No boxed warning on the current FDA label.
- Caution
- Accidental iron overdose is a leading cause of fatal poisoning in children under 6: keep in child-resistant packaging out of reach (required label warning, not a boxed warning).
Common side effects
- Constipation
- Dark stools
- Nausea
- Stomach upset
Key interactions
- Separate from antacids, dairy, and calcium
- Reduces absorption of some antibiotics
- Vitamin C improves absorption
Counseling points
- Take on an empty stomach if tolerated
- Dark stools are expected and harmless
- Keep away from children
- Take with water or juice, not milk
- Increase fiber and fluids for constipation
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