Cochrane · systematic review · CD012227

Paracetamol (acetaminophen) with or without codeine or dihydrocodeine for neuropathic pain in adults

Wiffen, PJ, Knaggs, R, Derry, S, et al. · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
6
current version
GRADE rated
6
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 6 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Paracetamol alone, paracetamol plus codeine, or paracetamol plus dihydrocodeine compared with placebo for neuropathic pain

Population: adults with chronic neuropathic pain
6 questions
OutcomeEffectEvidenceStatus / GRADE
Moderate benefit: At least 30% reduction in pain, or PGIC much or very much improved
Paracetamol alone, paracetamol plus codeine, or paracetamol plus dihydrocodeine vs placebo
no estimate extractedNRVery low
Substantial benefit: At least 50% reduction in pain, or PGIC much improved
Paracetamol alone, paracetamol plus codeine, or paracetamol plus dihydrocodeine vs placebo
no estimate extractedNRVery low
Lack of efficacy withdrawal
Paracetamol alone, paracetamol plus codeine, or paracetamol plus dihydrocodeine vs placebo
no estimate extractedNRVery low
Adverse event withdrawal
Paracetamol alone, paracetamol plus codeine, or paracetamol plus dihydrocodeine vs placebo
no estimate extractedNRVery low
Serious adverse events
Paracetamol alone, paracetamol plus codeine, or paracetamol plus dihydrocodeine vs placebo
no estimate extractedNRVery low
Deaths
Paracetamol alone, paracetamol plus codeine, or paracetamol plus dihydrocodeine vs placebo
no estimate extractedNRVery low