She initially was treated with a course of Vanc, Zosyn, and Flagyl.
 She received antibiotics
(ROOT (S (NP (PRP She)) (ADVP (RB initially)) (VP (VBD was) (VP (VBN treated) (PP (IN with) (NP (NP (DT a) (NN course)) (PP (IN of) (NP (NP (NP (NNP Vanc)) (, ,) (NP (NNP Zosyn)) (, ,)) (CC and) (NP (NNP Flagyl)))))))) (. .)))
(ROOT (S (NP (PRP She)) (VP (VBD received) (NP (NNS antibiotics)))))
( She ( initially ( ( was ( treated ( with ( ( a course ) ( of ( ( ( ( ( Vanc , ) Zosyn ) , ) and ) Flagyl ) ) ) ) ) ) . ) ) )
( She ( received antibiotics ) )