Well i know this is late but i went though this w my moniter lucky it was realy an eye infectin i got shots and antibotic drops 4 her they said she would die bu its been a year and she sees just fine unfortantly it sounds lik urs had a respritory infection that would be why the snezin is happing which usaly follows w eye infetin probs that is what i was told w mine i took to the herp vet ut they also sneaze to relase salt but its probly resprotory i would make the tempature higher thats usaly why they get the infecion including too much moister or dirty cage lik thier urine smelly cage but the temp uslay is around 90 and humidity 40 to 50 I hope things are good!