sucralfate

noun

su·​cral·​fate sü-ˈkral-ˌfāt 

: an aluminum complex C₁₂H_mAl₁₆O_nS₈ where m and n are approximately 54 and 75 that is taken orally in the treatment of duodenal ulcers

… the others got sucralfate (Carafate), which boosts the stomach lining's ability to withstand acid.

—Betsy Barley, American Health

Note: Sucralfate is marketed under the trademark Carafate.