Botulinum toxin type A vs other established prophylactic agentHeadache intensity (mean score) · adults with migraine1 finding from 1 reviewBotulinum toxins for the prevention of migraine in adults 2018 · Cochrane Headline outcomes onlyno estimate extracted1 study · 46 participantsVery low
Botulinum toxin type A vs placeboHeadache intensity (mean score) · adults with migraine1 finding from 1 reviewBotulinum toxins for the prevention of migraine in adults 2018 · Cochrane Headline outcomes onlyno estimate extracted4 studies · 209 participantsVery low