If you had OCD, would you ever tell work?

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If you had OCD moderately to severely, but it was more or less well controlled most of the time with medication, would you bother to tell your boss/workplace? Can you see any advantages to letting them know?
Have had OCD since I was c.11 years old. Am now mid-40s.

Yes is the short of it I always declare it. While I am stable you never know what the future is going to bring and I would much rather be up front. Declaring it also means you are protected under the equality act.

Thanks. I declared it on the health questionnaire when joining years ago but I believe that isn't disclosed to the employer, just to the insurer who would provide health-related work benefits...

Yes, my work know about it, because I've had episodes of illness related to it at times. I had a particularly bad period through pregnancy recently. I've needed sick leave.

I do work as a Mental Health Nurse, so it wouldn't look great on my team if I couldn't talk about it lol.

I think you should always declare to occupational health as this protects you legally. I don't think you need to share the details with your boss unless you want to or you think you'll need time off for it/appointments etc. OCD is sadly quite misunderstood. It depends on your relationship with your boss. I also think it would enough to say 'I have a diagnosed mental health condition which I manage really well most of the time from the support of my GP/medication. If that changes, I'll let you know'.