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Will ferrous sulfate interact with other medications?

Certain drugs may affect how ferrous sulfate works. Don’t take certain antibiotics two hours before or after you take ferrous sulfate; ask your pharmacist which ones. Talk with your doctor if you take any of these medicines:
  • Allopurinol (Zyloprim), a medicine used to treat gout that increases the liver’s iron levels
  • Nonsteroidal anti-inflammatory drugs (NSAIDs)
  • Cholestyramine and Colestipol
  • Bisphosphonates, which are medicines for osteoporosis
  • ACE inhibitors, which treat high blood pressure
  • Carbidopa and Levodopa
  • Levothyroxine, a thyroid replacement hormone
  • Birth control medicines

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.