In general, there is no legal obligation to tell your work about your condition, unless your symptoms are potentially an occupational health and safety risk to others.
Pros and cons of telling your employer
Whatever you decide, you have the same rights and responsibilities as any person who gets sick at work, including the right to not be discriminated against or dismissed just because you have MS. If you are uncertain about whether to disclose your MS to your employer or colleagues, get professional advice or consult your union if you are a member of one.
Support that can help you do your job is available if you tell your employer about your MS.
If you do tell your employer, you can ask them about making changes to work practices, procedures or your environment so you can minimise the impact of your MS and still do your job effectively.
If you do decide to tell your employer about your MS, some changes you could make include:
Select which questions you would like to ask at your next appointment
Cope with MS better with these helpful ideas
Find out how can make sharing your story easier