Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 100%High 0 · 0%

Adverse effects: insomnia · otherwise healthy adults and children with common cold symptoms

Antihistamine‐decongestant showed no clear difference in adverse effects: insomnia compared with placebo (moderate certainty).

1 finding from 1 review

Oral antihistamine‐decongestant‐analgesic combinations for the common cold 2022 · Cochrane Headline outcomes only
OR 2.89 [0.88, 9.56]
2 studies · 344 participants
Moderate