Ulcer-healing
Sucralfate
Tablet or suspension
Quick Summary
Sucralfate forms a protective layer over the ulcer.
Duodenal and stomach ulcers
Gastritis
Medical Uses
Duodenal and stomach ulcers: Healing.
Gastritis: Some cases.
How it's taken
Take on an empty stomach, before meals and at bedtime, as prescribed.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Constipation
Common.
Dry mouth
Sometimes.
Nausea
Rarely.
Interactions
Many other medicines
Sucralfate reduces their absorption; take them two hours apart.
Critical Warnings
Kidney disease
Contains aluminium; use with care.
Timing
Separate from other medicines.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Sucralfate: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine