What do systematic reviews say?

H2 receptor antagonists vs sucralfate

H2 receptor antagonists showed no clear difference in all‐cause mortality in ICU compared with sucralfate (low certainty).

• Interventions for preventing upper gastrointestinal bleeding in people admitted to intensive care units 2018 · Cochrane Headline outcomes only
  RR 1.09 [0.95, 1.24]
  21 studies · 3178 participants
  Low