I have to really watch how much I take of this because I have a hydration problem despite drinking plenty of fluids.  I've read
this is a cfs and oi issue but never found an answer for why we have this. Some people even have to get iv ports for this so they can hydrate at home.

So why does 1 tbsp of children's dye free Benadryl dry out my brain as well as my sinuses ? What mechanism in Benadryl does this ?  Zyrtec doesn't do this. Nasalcrom does tho.

Tx .. Marcia

http://en.wikipedia.org/wiki/Anticholinergic

Thanks. I see Benadryl listed by it's other longer name.

I'll need to research this further. tc .. Marcia  

eta. I forgot to say, I haven't tried pedialyte but drinking the water from young coconuts and eating certain fruits, like oranges always helps.  I'll look into soups. thanks ..

I just can't stay hydrated despite drinking. I understand it's a pots / cfs problem.  I don't urinate it out like most say they do but it's still not sticking to my bones ... lol .. I'm going to look at anticholinergic for clues.  

I did find that celiacs can have damage to their solute transporters so that could be it too. And I'm a celiac. Supposedly those heal but since the info on celiac disease is evolving that info may have changed.  

Article on solute transporters and celiacs

http://www.ncbi.nlm.nih.gov/pubmed/20415666