Bismuth compounds, acid inhibitor, or antibiotics during 4 weeks before the patient is enrolled
Allergic to the medications
Upper gastrointestinal surgery history
Serious heart insufficiency, liver insufficiency, renal insufficiency and other serious medical problems
Evidence of blood dyscrasia
Pregnant and lactating women
Can't express his complain correctly and can't cooperate with the researcher

NCT02894268_exc_T1
Drug
Bismuth compounds
NCT02894268_exc_T2
Drug
acid inhibitor
NCT02894268_exc_T3
Drug
antibiotics
NCT02894268_exc_T4
Temporal
during 4 weeks before the patient is enrolled
NCT02894268_exc_T5
Reference_point
the patient is enrolled
NCT02894268_exc_T6
Scope
Bismuth compounds, acid inhibitor, or antibiotics
NCT02894268_exc_T7
Condition
Allergic
NCT02894268_exc_T8
Drug
medications
NCT02894268_exc_T9
Procedure
Upper gastrointestinal surgery
NCT02894268_exc_T10
Observation
history
NCT02894268_exc_T11
Qualifier
Serious
NCT02894268_exc_T12
Condition
heart insufficiency
NCT02894268_exc_T13
Condition
liver insufficiency
NCT02894268_exc_T14
Condition
renal insufficiency
NCT02894268_exc_T15
Qualifier
other
NCT02894268_exc_T16
Condition
serious medical problems
NCT02894268_exc_T17
Condition
blood dyscrasia
NCT02894268_exc_T18
Mood
Evidence
NCT02894268_exc_T19
Condition
Pregnant
NCT02894268_exc_T20
Condition
lactating
NCT02894268_exc_T21
Person
women