Use of antihistamine within the past 72 hours
Chronic Pulmonary Condition other than asthma
Other contraindication to cetirizine
Severe asthma exacerbation requiring resuscitation

NCT03340740_exc_T1
Drug
antihistamine
NCT03340740_exc_T2
Temporal
within the past 72 hours
NCT03340740_exc_T3
Condition
Chronic Pulmonary Condition
NCT03340740_exc_T4
Condition
asthma
NCT03340740_exc_T5
Negation
other
NCT03340740_exc_T6
Condition
contraindication
NCT03340740_exc_T7
Drug
cetirizine
NCT03340740_exc_T8
Condition
asthma exacerbation
NCT03340740_exc_T9
Procedure
resuscitation
NCT03340740_exc_T10
Qualifier
Severe