Can I Get Fired for Being Sick Too Much in Canada?

Last reviewed and updated: August 2026 by a licensed Canadian physician

You've been sick a lot lately and you're terrified of losing your job. Here's what Canadian law says about 'excessive absenteeism' and how to protect yourself.

When Frequent Absences Become a Problem

You've missed 8 days in the last 3 months. Your boss is making comments. HR sent you a "wellness check-in" email that felt more like a warning. You're googling this at midnight because you're terrified. The anxiety of losing your job while you are already dealing with health issues is overwhelming. In Canada, many employees face this exact scenario, wondering if their frequent sick days will lead to termination.

Let's be clear: Being sick is not your fault. But Canadian employment law has a concept called "innocent absenteeism" that you need to understand. Knowing your rights and the legal framework surrounding workplace absences is your first line of defense. Without proper documentation, you leave yourself vulnerable to disciplinary action.

Innocent Absenteeism vs. Culpable Absenteeism

Understanding the difference between innocent and culpable absenteeism is crucial for protecting your employment status in Canada.

Innocent Absenteeism (Not Your Fault)


  • You're genuinely sick or have a chronic condition.

  • You have a disability (physical or mental health).

  • You're dealing with a family medical emergency.

  • This triggers human rights protections.


When your absences fall under innocent absenteeism, your employer has a legal obligation to accommodate you. However, you must provide evidence that your absences are indeed innocent. This is where a valid sick note becomes essential.

Culpable Absenteeism (Your Fault)


  • Calling in "sick" when you're not actually sick.

  • Failing to follow call-in procedures.

  • Not providing documentation when reasonably requested.

  • This can lead to progressive discipline.


If your employer suspects culpable absenteeism, they can initiate disciplinary measures, which may eventually lead to termination. Providing a sick note from a licensed physician immediately shifts your absences from culpable to innocent, protecting your job.

Can You Be Terminated for Innocent Absenteeism?

Yes, but it's extremely difficult for employers. They must prove ALL of the following:

1. Your attendance record is significantly worse than average.
2. They've warned you about attendance (progressive discipline).
3. They've explored accommodation options (duty to accommodate).
4. There's no reasonable prognosis for improved attendance.
5. Your absences cause undue hardship to the business.

If you have a documented medical condition, your employer has a DUTY TO ACCOMMODATE you up to the point of undue hardship. This is a very high bar for employers to meet. However, this duty is only triggered if you provide proper medical documentation. Without a sick note, your employer may treat your absences as culpable, making it much easier for them to terminate your employment.

How to Protect Yourself

Taking proactive steps is vital to securing your job when dealing with frequent illnesses.

1. Get Documentation for EVERY Absence

This is the single most important thing you can do. A doctor's note for each absence:

  • Converts "suspicious pattern" into "documented medical need".

  • Triggers human rights protections.

  • Creates a paper trail that protects you in any dispute.

  • Makes it nearly impossible for your employer to claim culpable absenteeism.


Do not wait until your employer asks for a note. Be proactive. Having a sick note on file for every absence demonstrates that you are taking your health and your job seriously.

2. Consider Getting a Medical Letter About Your Condition

If you have a chronic condition causing frequent absences (migraines, IBS, endometriosis, anxiety, depression), get a letter from your doctor that:

  • Confirms you have a medical condition.

  • Explains it may cause periodic absences.

  • States you're receiving treatment.

  • Does NOT need to name the specific condition.


This type of letter provides a broader umbrella of protection, showing your employer that your frequent absences are part of an ongoing, documented medical issue.

3. Request Accommodation

Under Canadian human rights law, your employer MUST accommodate your disability. This could include:

  • Modified schedule.

  • Work from home options.

  • Flexible start/end times.

  • Reduced hours during flare-ups.


To request accommodation, you will need medical documentation outlining your limitations and needs. A sick note or medical letter is the foundation of this request.

4. Keep Records

Document everything:

  • Every sick note you've provided.

  • Every conversation with your manager about attendance.

  • Your employer's responses to accommodation requests.

  • Any negative comments or threats about your job.


A detailed record can be your best defense if your employer attempts to terminate you for absenteeism.

The Numbers: What's "Excessive"?

There's no magic number, but courts generally consider:

  • Average Canadian worker: 8-10 sick days per year.

  • Concerning pattern: 15+ days per year without medical explanation.

  • Termination territory: 30+ days per year with no prognosis for improvement AND no accommodation possible.


But with medical documentation, even 30+ days can be protected. The key difference between a concerning pattern and a protected absence is the presence of a valid sick note.

What If You've Already Been Warned?

If you've received a verbal or written warning about attendance:

1. Don't panic. A warning is not termination.
2. Get a doctor's note for your condition. This changes the legal landscape entirely.
3. Request a formal accommodation meeting. Put it in writing.
4. Consider consulting an employment lawyer. Many offer free consultations.
5. Document the warning. Save it, note the date, and what was said.

A warning is a sign that your employer is building a case. You must counter this by building your own case with proper medical documentation.

MedLetter vs. Walk-in Clinics

When you need a sick note quickly, you have options, but they are not all equal.

Walk-in Clinic:

  • Cost: $20 to $50 for the note itself.

  • Wait Time: 2 to 4 hours in a waiting room full of sick people.

  • Convenience: Requires travel, parking, and time away from resting.


MedLetter:
  • Cost: $49 flat fee.

  • Wait Time: Same-day delivery, often within hours.

  • Convenience: 100% online. Fill out a 5-minute form from your bed.


Choosing MedLetter means you get the documentation you need to protect your job without the hassle and exposure of a walk-in clinic.

Your Action Plan

If you're frequently sick and worried about your job:

1. Today: Get a sick note for your current/most recent absence.
2. This week: See a doctor about your underlying condition (if applicable).
3. Request accommodation in writing from HR.
4. Going forward: Get a note for every absence, no matter how short.

Get Documentation Now

Every absence without a note is ammunition for your employer. Every absence WITH a note is protection for you. Don't risk your livelihood. Secure your job today with proper medical documentation.

New sick-note requests are temporarily paused while we review our service. We are not accepting new orders at this time.

MedLetter provides same-day sick notes from licensed Canadian physicians. $49. 5-minute form. No clinic visit.

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This article provides general information about Canadian employment law. It is not legal advice. For situation-specific guidance, consult an employment lawyer in your province.

Frequently Asked Questions

Can I get a sick note online in Canada?
Yes. Physicians registered with provincial colleges can assess patients through virtual consultations and issue legally valid sick notes. Online notes carry the same legal weight as in-person notes across Canada.

How much does an online sick note cost?
MedLetter charges a flat fee of $49 for a sick note, with same-day delivery. This is often faster and more convenient than visiting a walk-in clinic, where you might pay a similar fee but also waste hours waiting.

Will my employer accept an online sick note?
Yes. Employers across Canada are expected to accept valid New sick-note requests are temporarily paused while we review our service. We are not accepting new orders at this time. from licensed physicians. There is no legal distinction between documentation from virtual versus in-person consultations.

How long does it take to get a sick note from MedLetter?
Most sick notes are delivered within 2 to 6 hours of submission. Same-day delivery is standard for requests submitted during business hours, ensuring you have the documentation you need promptly.

What if my employer refuses my sick note?
If your employer refuses a valid sick note from a licensed physician, they may be violating employment standards or human rights legislation. You should document their refusal and consider consulting an employment lawyer or your provincial labour board.

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