Hi Mason
If something makes you feel worse and you're having to push through with negative effects, then I am assuming that you can't do it to an acceptable standard ie in the same manner that someone else without the condition could do on the majority of days. Just be aware of what you are trying to convey and don't overcomplicate it or give information that can be misunderstood.
BIS
Nothing on this board constitutes legal advice - always consult a professional about specific problems