Hi Laura-Talking to your endo is the best thing to do.  My daughter (7, SWCAH) also needs to drink alot of water as soon as the weather is warmer.  She also loves sports-so we do the gatorade and salty snacks too.  Sometimes before a game I give her an extra 5mg Cortef if she will be running alot and sweating.  My daughter is on the ,05mg Florinef in theAM, and 7.5mg Cortef BID.  Our endo has had to raise the Florinef because of the renin levels, but whenever she did, her blood pressure went up and she retained fluid.  The increased or decreased Cortef can affect the renin level too-so that’s what we rely on, rather than change the Florinef.  In general, I always make sure that my daughter has time in the shade when we are outdoors for a long time.  Please E-mail me if you’d like!

Pamela