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Drug

Sucralfate

Common brand names:

Sulcrate

Pronounced

"sue-KRAL-fate"

Drug Interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: antacids that contain aluminum, certain antibiotics (including quinolones such as ciprofloxacin/levofloxacin/ofloxacin, tetracyclines), digoxin, ketoconazole, levoketoconazole, penicillamine, phenytoin, quinidine, thyroid medications (such as levothyroxine, liothyronine).

  • Negative Interactions

    1

    • Sucralfate

      Calcium

      Potential Negative Interaction
      Slight increases in blood calcium levels may occur in people taking sucralfate, which could be aggravated by calcium supplementation. Therefore, people taking calcium supplements and sucralfate should have their blood calcium levels monitored by their healthcare practitioner and may need to avoid calcium supplementation.
      Calcium
      Sucralfate
      ×
      1. Vucelic B, Hadzic N, Gragas J, Puretic Z. Changes in serum phosphorus, calcium, and alkaline phosphatase due to sucralfate. Int J Clin Pharmacol Ther Toxicol 1986;24:93-6.

  • Supportive Interactions

    1

    • Sucralfate

      Phosphorus

      Replenish Depleted Nutrients

      People taking sucralfate may develop lower than normal blood levels of phosphorus. A 42-year-old woman who took sucralfate for two weeks experienced bone pain that was caused by low phosphorus levels. The bone pain disappeared after she stopped taking the drug and began supplementing with phosphorus. Individuals taking sucralfate should have their blood phosphorus levels monitored regularly by their healthcare practitioner and may need to take supplemental phosphorus.

      Phosphorus
      Sucralfate
      ×
      1. Vucelic B, Hadzic N, Gragas J, Puretic Z. Changes in serum phosphorus, calcium, and alkaline phosphatase due to sucralfate. Int J Clin Pharmacol Ther Toxicol 1986;24:93-6.
      2. Chines A, Pacifici R. Antacid and sucralfate-induced hypophosphatemic osteomalacia: a case report and review of the literature. Calcif Tissue Int 1990;47:291-5.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

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Information expires December 2025.