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Evidence summaries

Aspirin with or Without Antiemetic for Acute Migraine Headaches in Adults

Aspirin is more efficient than placebo and similar to sumatriptan for acute migraine headaches; addition of metoclopramide improves relief of nausea and vomiting. Adverse events were less common than with sumatriptan. Level of evidence: "A"

A Cochrane review [Abstract] 1 included 13 RCTs with 4222 patients with migraine with or without aura. The trials compared aspirin 900 mg or 1000 mg, alone or in combination with metoclopramide 10 mg, with placebo or other active comparators, mainly sumatriptan 50 mg or 100 mg. For all efficacy outcomes, all active treatments were superior to placebo, with NNTs of 8.1, 4.9 and 6.6 for 2-hour pain-free, 2-hour headache relief, and 24-hour headache relief with aspirin alone vs. placebo, and 8.8, 3.3 and 6.2 with aspirin plus metoclopramide vs. placebo. Sumatriptan 50 mg did not differ from aspirin alone for 2-hour pain-free and headache relief, while sumatriptan 100 mg was better than the combination of aspirin plus metoclopramide for 2-hour pain-free, but not headache relief; there were no data for 24-hour headache relief. Associated symptoms of nausea, vomiting, photophobia and phonophobia were reduced with aspirin compared with placebo, with additional metoclopramide significantly reducing nausea (p<0.00006) and vomiting (p=0.002) compared with aspirin alone. Fewer participants needed rescue medication with aspirin than with placebo. Adverse events were mostly mild and transient, occurring slightly more often with aspirin than placebo.

    References

    • Kirthi V, Derry S, Moore RA. Aspirin with or without an antiemetic for acute migraine headaches in adults. Cochrane Database Syst Rev 2013;4():CD008041. [PubMed].

Primary/Secondary Keywords