Additional question - Was your onset acute or gradual? Did you know straight away that something was wrong or were you able to continue with life until your symptoms became more prominent? I did multiple choice so tick more then one if it was multiple causes. I left fungal infection out as that's fairly rare and didn't want too many options. I tried to include the most common causes of any chronic illness so I'm sorry if your cause isn't there. Post more information if you can. Especially if your trigger is quite unusual.