(A) At 24 h, %brain water (%BW) in the hemisphere ipsilateral to the contusion was significantly increased in both controlled cortical impact (CCI) (i, vehicle: black bar 80.20 ± 0.15) and CCI+hemorrhagic shock (HS) (ii, vehicle: black bar 80.46 ± 0.14%) versus naïve (white bar, 78.31 ± 0.04%; *p < 0.01). Glibenclamide treatment (shaded gray bar) did not reduce %BW in the hemisphere ipsilateral to contusion in either model. (B) At 24h, %BW in the hemisphere contralateral to the contusion was significantly increased in controlled cortical impact + hemorrhagic shock (CCI+HS) (ii, vehicle: black bar, 78.65 ± 0.10%) versus naive (white bar: 78.24 ± 0.05%, *p = 0.014) but unchanged in CCI alone (i, vehicle: black bar, 78.28 ± 0.08%, p = 1.0). Glibenclamide treatment (shaded gray bar) in CCI+HS (ii) returned %BW to naïve levels (78.25 ± 0.10%, p = 0.011). GLI, glibenclamide.