Treatment of Vertigo: A Randomized, Double-Blind Trial Comparing Efficacy and Safety of Ginkgo biloba Extract EGb 761 and Betahistine

Table 3

The most frequently observed AEs in both treatment groups (at least three events in one treatment group).

System organ class—type of AE	EGb 761; (𝑛)	Betahistine; (𝑛)
Gastrointestinal disorders:
Dyspepsia and abdominal discomfort/pain	2	5
Nausea and vomiting	3	1
Diarrhea, frequent bowel movements infections, and infestations	1	3
Respiratory tract infections and nervous system disorders	5	9
Headache	3	5