Acetaminophen plus Diphenhydramine vs placebo
Allergic reactions (urticaria with or without pruritus) ‐ Intention‐to treat analysis · patients with requirement of prophylaxis to avoid allergic and febrile non‐haemolytic transfusion reactions
It is very uncertain whether acetaminophen plus Diphenhydramine changes allergic reactions (urticaria with or without pruritus) ‐… compared with placebo (very low certainty).
1 finding from 1 review
- Pharmacological interventions for the prevention of allergic and febrile non‐haemolytic transfusion reactions 2010 · Cochrane Headline outcomes onlyRR 1.45 [0.78, 2.72]1 study · 334 participantsVery low