Summary of results C: Number of participants experiencing specific adverse events within 24 hours of study treatment in placebo‐controlled studies
	Studies	Participants treated	Treatment (%)	Placebo (%)
Malaise/fatigue/asthenia
Sumatriptan 4 mg	2	669	3	2
Sumatriptan 6 mg	5	593	4	4
Dizziness/vertigo
Sumatriptan 4 mg	2	669	10	6
Sumatriptan 6 mg	8	993	6	4
Nausea/vomiting
Sumatriptan 4 mg	2	669	8	10
Sumatriptan 6 mg	11	1667	7	5
Mouth disorder/disturbance of taste
Sumatriptan 4 mg	2	669	4	1
Sumatriptan 6 mg	3	250	6	2
Chest pain/symptoms
Sumatriptan 4 mg	2	669	5	1
Sumatriptan 6 mg	6	466	4	1
Heat sensations/flushing
Sumatriptan 4 mg	2	669	8	4
Sumatriptan 6 mg	10	1149	9	2
Feeling of heaviness/tightness
Sumatriptan 4 mg	2	669	6	1
Sumatriptan 6 mg	7	962	6	3
Sweating
Sumatriptan 4 mg	2	669	1	0
Sumatriptan 6 mg	2	318	6	0
Paraesthesia/numbness
Sumatriptan 4 mg	2	669	12	4
Sumatriptan 6 mg	10	1241	7	3
Headache
Sumatriptan 6 mg	7	727	2	0
Drowsiness/somnolence
Sumatriptan 4 mg	2	669	3	2
Sumatriptan 6 mg	4	415	3	3
Neck/back pain
Sumatriptan 4 mg	2	669	2	1
Sumatriptan 6 mg	5	603	5	1
Throat symptoms
Sumatriptan 4 mg	2	669	1	0
Sumatriptan 6 mg	3	394	7	0
Injection‐site reaction
Sumatriptan 4 mg	2	669	45	19
Sumatriptan 6 mg	12	1848	11	6