He states that he may have used 2x100mc fentanyl patches instead of his normal 50mcg and 100mcg as prescribed.
 Patient has been overmedicated
(ROOT (S (NP (PRP He)) (VP (VBZ states) (SBAR (IN that) (S (NP (PRP he)) (VP (MD may) (VP (VB have) (VP (VBN used) (NP (NP (JJ 2x100mc) (NN fentanyl) (NNS patches)) (PP (RB instead) (IN of) (NP (NP (PRP$ his) (JJ normal) (NN 50mcg)) (CC and) (NP (NN 100mcg))))) (SBAR (IN as) (S (VP (VBN prescribed)))))))))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (VP (VBN been) (VP (VBN overmedicated))))))
( He ( ( states ( that ( he ( may ( have ( ( used ( ( 2x100mc ( fentanyl patches ) ) ( instead ( of ( ( ( his ( normal 50mcg ) ) and ) 100mcg ) ) ) ) ) ( as prescribed ) ) ) ) ) ) ) . ) )
( Patient ( has ( been overmedicated ) ) )