Assertion: promethazine | /r/HasProperty | taken
Facets:
value: at bedtime
type: TEMPORAL
value: the night before surgery
type: TEMPORAL
value: usually
type: DEGREE
Source sentences:
text: When promethazine is used to treat or prevent nausea and vomiting it is usually taken every 4 to 6 hours as needed.
text: Promethazine may also be taken at bedtime the night before surgery to relieve anxiety and produce quiet sleep.