The medication is a diuretic, so basically removes fluid from your body..it's not a surprise that you're drying out. I would look for moisturizing products (shampoo/conditioner)..Tea Tree by Paul Mitchell is really good, but has strong smell and can be pricey. I'm not sure if they still sell hot oil treatments over-the-counter, but they used to work pretty well too. Your stylist may be able to recommend something for your hair type. If you start getting sores or losing your hair, I'd talk to the physician about changing meds. Oh, and drink plenty of water! Don't over do it, but make sure you're getting your 8 glasses =]