 [ Symptoms ] the 4 year old will not take medicine since we got home from surgery and drank a cup of water should i take her to the er  my 3  and 4 year olds both had their tonsils and adenoids removed yesterday [ Disease ] i have no way of estimating her current level of hydration   does she have tears   is the inside of her mouth moist   is her skin elastic pinch a bit of the skin on the back of her hand or tummy pull it up and see if it snaps back   is she urinating obviously she needs to drink and often did you try popsicles ice chips try the little juice box straws pay her in some way for each cup of fluid that she drinks to make it more interesting pay the 3 year old too