Managing sickness absence is one of the most common processes in the workplace. Employees will inevitably fall ill from time to time, but how you handle these absences can significantly impact morale, productivity, and legal compliance. It may seem simple for the odd day off here and there but what about when those odd days get more frequent or when someone goes off for a long period of time?
Proactive and fair management of sickness absences ensures your team stays healthy, engaged, and supported — while protecting your business from potential disruption or disputes.
Why Sickness Absence Management Matters
There are repercussions of getting it wrong, if staff feel they are being unfairly treated when it comes to sickness this will reduce their morale and their productivity. It also has a knock-on effect on those around them who may have an increased workload and feel that they are also being treated unfairly if they sickness absence going unmanaged.
There are also legal risks as depending on the type of sickness absence you may need to consider disability in the actions you are taking. This could lead to a claim for discrimination if not handled correctly.
So how should you manage sickness absences effectively and fairly?
Have a Clear Managing Sickness Absence Policy
The best place to start is with a policy. This will set expectations for both you and your staff so that everyone knows what will happen if someone goes off sick.
Here are the key points that should be included:
- How to report sickness (who to contact, by when)
- What documentation is required (e.g., self-certification, fit notes)
- When medical assessments may be requested
- How long-term or frequent absences are handled
- The return-to-work process
You should make sure every employee receives and understands this policy and that is applied to all staff
Encourage Open Communication
No one should be scared to report sickness absence. Employees should feel comfortable reporting when they’re unwell — without fear of judgment. This helps prevent presenteeism (working while sick), which can be more damaging than absence itself!
This all comes down to how you communicate with an employee at key points in their sickness absence. For odd day absences, once you have spoken to the employee you just need to take the initial call then hold a return-to-work meeting when they come back. For mid-term absences (up to 4 weeks) you should agree a contact plan based on the reason for absence. A pre-planned operation for example will be treated differently to someone who has gone off with mental health concerns. Longer term absences – over 4 weeks will then need to be dealt with in line with their sicknotes, any advice from their medical professional and in line with your policies.
Encourage line managers to maintain regular, informal check-ins with their teams when this is appropriate. When someone is off sick, a simple call or message to express concern (not pressure) can make all the difference.
Record and Monitor Sickness Absences Consistently
Sickness can go under the radar if it is not recorded properly. A big team and lots of one day absences can mean that it goes unnoticed until there is a problem. By maintaining accurate records of all sickness absences, you can nip any issues in the bud and also deter staff from trying to take a sneaky day and they know it will get recorded. It is also important to keep sickness records for payroll to ensure you are paying in line with your sickness absence policy.
Your records should include:
- Dates of absence
- Reasons for absence
- Fit notes or medical certificates
- Summary of any communication or meetings held
This helps identify patterns (e.g., frequent Monday absences) and supports fair, evidence-based decisions when absences become problematic.
Conduct Return-to-Work Interviews
A short, informal return-to-work interview after each absence is one of the most effective tools in managing sick leave; it can really help as a deterrent to “duvet days” if an employee knows they will discuss their absence when they come back to work,
A return to work can also help understand the reason for absence and pick up on any underlying concerns,
A return to work should be primarily about welcoming the employee back and be a welfare discussion but it can also reinforce the message that attendance is monitored and valued.
Support Employees with Health Issues
Whether someone has a short illness or a long-term condition, showing support goes a long way. Things to consider:
Reasonable adjustments to duties or hours; this can be short term but shows that you value your employees and want to help them get back to work.
Referrals to occupational health should be made if you are unsure if medically someone can be at work. You should not make any big decisions based on an employee’s health without consulting a medical professional. This will be vital in the case of any discrimination claim.
You can also offer Employee Assistance Programmes (EAPs) – these can give employees health related benefits such as access to counselling and health and well-being tools.
Train Managers in Managing Sickness Absence
Line managers are on the front line of absence management. They will be the ones who take the calls, see the staff and will be first line contact regarding any sickness absence. You should provide training so they can:
- Apply policies consistently
- Have sensitive conversations
- Spot signs of stress or mental health issues
- Record and report absence data accurately
Managing sickness absence isn’t just about reducing time off — it’s about fostering a healthy, respectful, and productive working environment. With clear policies, supportive practices, and fair procedures, you can manage absences effectively while showing your team that their wellbeing matters.
Slice are here to support you, we can write policies, discuss employee absence cases with you and help you in managing sickness absence fairly.