group	adverse	group	count
1	itchiness	echinacea	13
2	itchiness	placebo	7
3	rash	echinacea	24
4	rash	placebo	10
5	hyper	echinacea	30
6	hyper	placebo	23
7	diarrhea	echinacea	38
8	diarrhea	placebo	34
9	vomiting	echinacea	22
10	vomiting	placebo	21
11	headache	echinacea	33
12	headache	placebo	24
13	stomachache	echinacea	52
14	stomachache	placebo	41
15	drowsiness	echinacea	63
16	drowsiness	placebo	48
17	other	echinacea	63
18	other	placebo	48
19	any	echinacea	152
20	any	placebo	146