Sentence: We report a case series of 10 patients that were treated with betamethasone valerate foam ( 0.12 % ) in the morning and topical tazarotene cream ( 0.1 % ) in the evening for a total of 12 weeks or until plaques cleared .
Drug combination annotation:
[{'class': 'POS', 'spans': ['betamethasone', 'tazarotene'], 'is_context_needed': True}]