| Associated symptoms: symptom present 2 hours after taking study medication in placebo controlled studies | ||||||
| Intervention | Studies | Attacks treated | Treatment (%) | Placebo (%) | Relative risk (95% CI) | NNTp (95% CI) |
| Nausea | ||||||
| Sumatriptan 6 mg | 9 | 1879 | 17 | 43 | 0.39 (0.33 to 0.46) | 3.8 (3.3 to 4.4) |
| Vomiting | ||||||
| Sumatriptan 6 mg | 8 | 1710 | 5 | 8 | 0.43 (0.29 to 0.63) | 40 (21 to 1000) |
| Photophobia | ||||||
| Sumatriptan 6 mg | 5 | 1324 | 26 | 55 | 0.49 (0.42 to 0.56) | 3.4 (2.9 to 4.1) |
| Phonophobia | ||||||
| Sumatriptan 6 mg | 5 | 1324 | 22 | 49 | 0.46 (0.39 to 0.54) | 3.7 (3.2 to 4.6) |
| Any functional disability | ||||||
| Sumatriptan 6 mg | 6 | 1455 | 39 | 73 | 0.53 (0.48 to 0.59) | 2.9 (2.6 to 3.4) |
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