 [ Symptoms ] does dehydration cause fever  stomach hurts in center of abdomen and nausea headach [ Disease ] yes you can have a rise in temperature as your body is trying to cope with it but it just cant quite do it so yes there will be a rise drink lots of water and if gets worse i would immediately go up to the emergency cause if you are to dehydrated and can make you not very well and they can put a drip in and give you fluids