Frequency

Percentage

Belching

55

42.0

Dry mouth syndrome

33

25.2

Dysgeusia

27

20.6

Epigastric pain

26

19.8

Abdominal discomfort

21

16.0

Anorexia

21

16.0

Heartburn

20

15.3

Nausea

19

14.5

Stomach fullness

13

9.9

Early satiety

11

8.4

Vomiting

11

8.4

Gastric distension sensation

10

7.6

Hematemesis

4

3.1

Metallic taste sensation

1

0.8