Returning to work after sick leave: how 'progressive return to work' actually works
Returning to work after a long sick leave can stir up real uncertainty. The good news: it doesn't have to be all-or-nothing. Belgium has a scheme called progressieve werkhervatting (progressive return to work) that lets you rebuild gradually, in a way that fits your actual situation.
What is progressive return to work?
It's a pathway back to your job on a part-time, gradual basis. It isn't only about working fewer hours — it's about testing what's realistic right now: the schedule, the type of tasks, the stress load.
How it works: you keep part of your health-insurance allowance and earn salary for the hours you actually work.
Who it's for: any worker (employee, contractor or self-employed) who is entitled to incapacity benefit.
Your step-by-step roadmap
If you're thinking about going back, here's the logical sequence:
1. Get your employer on board
This is the first conversation. Your company has to agree, because they'll need to report your worked hours to the health insurance fund every month so your benefit is adjusted correctly.
2. Apply for permission from your health insurance fund
You'll submit a 'permitted activity' form (toegelaten activiteit). Be precise about the hours you're requesting — any later change needs to be flagged ahead of time. The administration has up to 30 working days to respond, though you can start work while approval is pending.
3. Meet the occupational physician (arbeidsarts)
If you've been off for more than four weeks, an evaluation by the occupational physician is mandatory.
When: either before you restart work, or at the latest within the first ten days after returning.
Why: the occupational physician assesses the specific risks of your role and decides whether you need adjustments to make the return sustainable. It's the piece that ensures your job is compatible with your current health.
4. Follow-up with the medical advisor
Once you've started, the medical advisor at your health insurance fund monitors your progress. You may be called to follow-up meetings — attendance is mandatory, so plan ahead if you need to fit them around working hours.
A few rules of thumb
Be realistic: if you've requested a fixed schedule, stick to it. Unannounced deviations can put your benefit at risk.
Health is the goal: the system exists to protect you while you reintegrate. If at any point you need to slow down or change the rhythm, tell your medical advisor and your occupational physician — that's what they're there for.
Feeling lost in the process?
That's normal. The bureaucracy around health insurance and occupational health can be dense, especially when your only job should be recovering.
If you're on sick leave and want professional guidance to design a return that's actually sustainable, you don't have to do it alone. Programmes like Terug Naar Werk Fonds can also make a real difference.
If you need a clear roadmap to manage this return without burning through what's left of your mental energy, I'm here to support you.
Questions on how to start the process or what to discuss with your employer? Get in touch and we'll look at your case together.