diabetes insipidus
"I've been on this since 1989. The generic pill form works best! Before DDAVP I went to the bathroom around the clock and drank tons of water. The nasal spray was difficult at first since they didn't have my dosage right which I ended up in the hospital with my sodium at 119. But after the Drs got the dosage down and with the pills now, I've had no problems. Thank goodness for DDAVP."