The itch is the worst
The most common, and misguided, treatment is to wash the head with water, but this will only cause temporary pain relief and not actually treat the underlaying issue.
While it is possible to stop the disease even in later stages using the methods described under prevention, it may cause a lot more harm than good by stressing the skin a lot more.
There are currently no known ways to properly treat the condition other than leaving the humid area.
There have been only a few recorded cases of the illness progressing far. In all of those cases it was due to an inability to get to drier areas to rid one of the ailment.The late stages are characterised by serious hair loss due to the sore skin and scab from the bodies reaction to the ailment as well as serious pain.