Assertion: promethazine | /r/Causes | marked drowsiness
Facets:
Source sentences:
text: Promethazine may cause marked drowsiness or impair the mental and/or physical abilities required for the performance of potentially hazardous tasks, such as driving a vehicle or operating machinery.
text: Promethazine and dextromethorphan may cause marked drowsiness or impair the mental and/or physical abilities required for the performance of potentially hazardous tasks, such as driving a vehicle or operating machinery.
text: Promethazine may cause marked drowsiness.