Instructions for augmentin powder for oral suspension state to add 90 ml of distilled water in preparing a 100 ml bottle of 400 mg/5 ml suspension. a 10 kg child has been prescribed a dose of 45 mg/kg/day divided every 12 hours. your technician accidentally reconstitutes the bottle using 100 ml of distilled water instead of 90 ml. rather than wasting the bottle, you decide to tell mom how much to administer per dose based on this error.