Here is an active listing of every disease that has been re-documented, along with their cures. Any newly discovered illnesses will be recorded here.
-Doctor Dane Heartstrings

Your characters can become ill whenever you choose!

Just make sure that if you want to get sick that some illnesses have long term effects and all of them have specific requirements for being cured. Other characters can help cure the sick character.

Aphonic Disease

Astramitis

Brin Burn

Incumare Syndrome

Infrigis

Mana Burn

Mana Flu

Magic Mites

Rashialisis

Tollywobbles

Voi Flugoulved