Why does my son have lower back (kidney) discomfort when dDAVP wears off?
The symptoms you describe may be caused by a sudden increase in urine output that distends the ureters. However, you should discuss it with his physician to be sure that further investigations for another cause are not warranted. ****** Top of Page ****** Question # 0653 EWv6n3 Keywords: CDI medications, CDI side effects, alternative medications, DDAVP, desmopressin, CDI complications I have CDI.