You've probably already read them but FraidyCat has some very well written sick Charlie stories over on fanfiction.net including; - That which tears us apart: http://www.fanfiction.net/s/2825661/1/ and - Life vs. Charlie: http://www.fanfiction.net/s/3078025/1/
sick charlie
- That which tears us apart: http://www.fanfiction.net/s/2825661/1/
and
- Life vs. Charlie: http://www.fanfiction.net/s/3078025/1/