I am currently doing infusions of Keytruda, every 3 weeks for a year now. I had to stop for a month because I kept getting dehydrated and ending up in the hospital. I take gabapentin 1200 mg twice a day, oxycodone ER 80 mg twice a day, oxycodone 30 mg every 4 hours as needed, Celexa 60 mg, lidocaine 5% and temazepam 30 mg which is not working anymore. My doctor also prescribed Movantik 25 mg for constipation, but it is tearing up my stomach. I'm pretty desperate at this point for help. Thank you for your time.