Not sure if it will help anyone else but we have found that "Saliva Substitute" "Oral Balance" and "Oralube" type products have really been helping with his dry mouth problem. We got the first one at Walmart :)
The content on this site is for informational purposes only. It is not a substitute for professional medical advice. Do not use this information to diagnose or treat a health problem or disease without consulting with a qualified healthcare provider. Please consult your healthcare provider with any questions or concerns you may have regarding your condition. Use of this online service is subject to the disclaimer and the terms and conditions.