Can a Doctor Refuse to Give You a Sick Note in Ontario?

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

CPSO-registered physicians can refuse to issue sick notes. Here's why it happens and what alternatives exist in Ontario.

Can a Doctor Refuse to Give You a Sick Note in Ontario?

Yes, a physician in Ontario can refuse to issue a sick note if they determine it's not medically appropriate. This isn't a sign of indifference, but rather a demonstration of medical integrity, where the physician exercises proper clinical judgment in accordance with College of Physicians and Surgeons of Ontario (CPSO) guidelines.

Why a Doctor Might Refuse

Understanding the reasons behind a refusal can help you prepare for future requests. Doctors are bound by ethical and professional standards, and issuing a sick note without proper justification can have serious implications.

1. No Medical Justification, The physician's primary role is to assess your health. If, after evaluation, they conclude your condition does not genuinely warrant time off work or school, they will refuse the request. This is based on their medical expertise and an assessment of your symptoms. For instance, a mild headache that doesn't significantly impair your ability to perform tasks might not be deemed sufficient for a sick note.
2. Insufficient Information, To make an informed decision, a doctor needs a clear understanding of your symptoms, their severity, and how they impact your daily functions. If you provide vague or incomplete details, the physician may not have enough information to justify issuing a note. Be prepared to explain your symptoms clearly and concisely.
3. Requesting Retroactive Notes, Asking for a sick note that covers past dates without a prior assessment is a common reason for refusal. Physicians generally cannot attest to your medical condition on a date they did not assess you. This is a crucial point for integrity, as they cannot verify a past illness they did not observe or diagnose.
4. Requesting Specific Durations Not Medically Supported, While you might feel you need a week off, the physician's assessment might indicate that only a few days are medically necessary for recovery. Doctors will not issue a note for a duration that exceeds what they deem clinically appropriate.
5. Ethical Concerns or Suspicion of Fraudulent Request, Physicians are trained to identify inconsistencies. If there's any suspicion that the request is not legitimate or that you are attempting to obtain a note under false pretenses, they are ethically obligated to refuse. This protects the integrity of the medical profession and prevents abuse of the system.

Your Rights When Refused

While a doctor has the right to refuse a sick note, you also have rights and options as a patient.

* You can seek a second opinion from another physician. Different doctors may have different clinical interpretations or approaches.
* You can politely ask the doctor to explain their reasoning for the refusal. Understanding their perspective can help you clarify your situation or provide more relevant information.
* You can provide additional information about your symptoms and how they specifically impact your ability to work or attend school. Sometimes, a lack of detail from the patient is the issue.
* You can try a different service that may offer a fresh assessment of your situation. Online telehealth services like MedLetter provide access to different physicians who can review your case.

How MedLetter Handles This

At MedLetter, our commitment is to provide accessible and ethically sound healthcare. Our CPSO-registered physicians review every sick note request individually and thoroughly. If, after careful assessment, a physician determines that a sick note is not medically appropriate for your situation, we provide a full refund. This policy ensures:

* Physicians maintain clinical independence: They are not pressured to issue notes without medical justification.
* You're never charged for a note that isn't issued: Your financial investment is protected.
* The process remains medically ethical: We uphold the highest standards of medical integrity.

This approach ensures that MedLetter remains a trusted resource for legitimate sick note requests across Ontario, from Toronto to Ottawa, Hamilton, Mississauga, Brampton, London, and Kitchener.

Tips for a Successful Request

To increase the likelihood of a successful sick note request, follow these guidelines:

1. Be honest and specific about your symptoms. Describe what you're experiencing accurately. For example, instead of "I feel sick," say "I have a persistent cough, body aches, and a fever of 38.5 degrees Celsius."
2. Explain how your symptoms affect your work or studies. It's not just about feeling unwell, but how that unwellness prevents you from performing your duties. For example, "My severe headache makes it impossible to focus on my computer screen for work" or "My nausea is so intense I cannot attend my lectures without fear of vomiting."
3. Provide relevant dates. Clearly state when your symptoms started, and for what specific period you believe you need time off. This helps the physician assess the acute phase of your illness.
4. Don't exaggerate or minimize. Physicians are trained to recognize genuine symptoms and can often detect exaggeration, which can unfortunately reduce trust and lead to a refusal. Be factual.

Ontario Employment Standards: Your Rights

Understanding your rights under the Ontario Employment Standards Act, 2000 (ESA) is crucial for all employees across the province, whether you're in Windsor or Kingston.

Under the ESA, employees are entitled to 3 unpaid sick days per calendar year. It's important to note that many employers in Ontario, particularly larger corporations or those with comprehensive benefits packages, may offer more generous paid sick leave policies.

Key provisions to remember:

* No Doctor's Note for ESA-Protected Sick Days: As of January 1, 2024, significant amendments under the Working for Workers Act have clarified that employers cannot require a doctor's note for the 3 unpaid sick days protected by the ESA. This is a critical change designed to reduce burdens on the healthcare system and employees.
* Ontario Human Rights Code: Beyond the ESA, the Ontario Human Rights Code requires employers to accommodate employees with medical conditions or disabilities to the point of undue hardship. This means if your illness or condition is more severe or chronic, your employer has a legal obligation to work with you to find suitable accommodations.
* Federally Regulated Employees: For those working in federally regulated industries in Ontario (e.g., banking, telecommunications, interprovincial transportation), the Canada Labour Code provides for 10 paid sick days per year. This is a separate entitlement from the provincial ESA.
Company Policy vs. Legal Requirement: While the ESA states employers cannot require a doctor's note for the 3 statutory sick days, many Ontario employers (including Shopify, TD Bank, RBC, Amazon, Loblaws, and government agencies) still request* notes as a matter of company policy for sick leaves beyond these three days, or for paid sick days offered under their own benefit plans. It's essential to understand the distinction between what is legally mandated and what is part of your employer's internal policy.

Comparison: Employer Sick Leave Policies

| Feature | ESA (Ontario) | Employer-Specific Policies (Common) | Canada Labour Code (Federally Regulated) |
| :---------------------------- | :------------------------------------------ | :------------------------------------------ | :--------------------------------------- |
| Number of Days | 3 unpaid days/year | Varies, often 5-10 paid days/year | 10 paid days/year |
| Doctor's Note Required? | No, for ESA-protected days (as of 2024) | Often required for paid days or extended leave | May be required for extended leave |
| Paid? | No | Usually paid | Yes, paid |
| Governing Legislation | Employment Standards Act, 2000 | Employment Contract, Company Handbook | Canada Labour Code |
| Applicability (Ontario) | Most provincially regulated employees | Varies by employer | Federal industries only |

Statistics: Healthcare Access in Ontario

The challenges in accessing healthcare in Ontario significantly impact how employees manage their sick leave. According to recent data from Ontario Health and Statistics Canada (2025-2026):

* 2.3 million Ontarians lack a regular family doctor or nurse practitioner. This substantial number means many rely on walk-in clinics or emergency rooms for basic medical needs, including sick notes.
* Average emergency room wait time in Ontario is over 4 hours for non-urgent cases. This makes obtaining a simple sick note through an ER an incredibly inefficient and inappropriate use of resources.
* Walk-in clinic wait times in the Greater Toronto Area (Downtown, North York, Scarborough, Etobicoke, Mississauga, Brampton) (GTA) average 1.5-3 hours. For someone feeling unwell, spending hours in a waiting room can exacerbate their condition and prolong their absence from work.
* Ontario has one of the lowest physician-to-population ratios of any large province in Canada. This shortage contributes directly to the difficulties in accessing timely medical care.

These statistics highlight the critical need for accessible, efficient alternatives like online telehealth services. MedLetter directly addresses these challenges by offering a convenient, same-day online sick note service for $49, helping Ontarians avoid long waits and unnecessary exposure to illness in crowded clinics.

Practical Steps for Ontario Employees

Navigating sick leave in Ontario can be complex. Here are practical steps to ensure you're protected and informed:

1. Know the ESA: Familiarize yourself with the Employment Standards Act, 2000. Specifically, understand that your your employer faces consequences for penalizing you for taking your 3 statutory unpaid sick days, and they cannot demand a doctor's note for these days.
2. Check Your Employment Contract and Company Policy: Many Ontario employers (including Shopify, TD Bank, RBC, Amazon, Loblaws, and government agencies), particularly in cities like Toronto, Mississauga, and Brampton, offer more generous sick leave benefits than the ESA minimum, often providing 5-10 paid sick days annually. Your contract or employee handbook will detail these policies, including when a doctor's note might be required for paid leave.
3. Unionized Workers: If you are a member of a union like OPSEU, CUPE, or Unifor, your collective agreement will typically outline more extensive sick leave provisions, often including 12-18 paid sick days per year. Consult your union representative or collective agreement for details.
4. Document Everything: Keep a clear record of when you call in sick, who you spoke to, and any instructions or information provided by your employer. This documentation can be crucial if any disputes arise.
5. Accommodation Requests: If you have a chronic medical condition or a disability that impacts your ability to work, consider formally requesting workplace accommodation under the Ontario Human Rights Code. This involves a conversation with your employer about adjustments that can help you perform your job duties.

When a Sick Note May Not Be Required

Beyond the 3 ESA-protected sick days, there are other situations where a doctor's note is generally still recommended despite Ontario law:

* Family Responsibility Leave: Employees are entitled to up to 3 unpaid days of family responsibility leave per year for emergencies or urgent matters concerning specified family members.
* Bereavement Leave: Up to 2 unpaid days of bereavement leave are available for the death of a specified family member.
* Domestic or Sexual Violence Leave: Employees who are victims of domestic or sexual violence are entitled to up to 10 days of paid leave and up to 15 weeks of unpaid leave.

For these types of leaves, your employer cannot legally demand a doctor's note. However, they may require you to provide evidence reasonable in the circumstances to support the leave request.

Frequently Asked Questions

Can I get a sick note online in Ontario?
Yes. CPSO-licensed physicians, like those at MedLetter, can assess patients through virtual consultations and issue legally valid sick notes that are accepted by Ontario employers (including Shopify, TD Bank, RBC, Amazon, Loblaws, and government agencies). The College of Physicians and Surgeons of Ontario (CPSO) fully recognizes virtual care as a legitimate form of medical practice.

How much does an online sick note cost in Ontario?
MedLetter charges a flat fee of $49 for a sick note, which includes the physician assessment and same-day electronic delivery of your official documentation. This transparent pricing allows you to access necessary medical documentation without hidden fees.

Will my Ontario employer accept an online sick note?
Yes. As long as the sick note is issued by a licensed physician registered with the College of Physicians and Surgeons of Ontario (CPSO), it is legally equivalent to a note obtained during an in-person visit. The CPSO's guidelines support virtual care, making online sick notes fully legitimate and acceptable to employers across Ontario.

How long does it take to get a sick note from MedLetter?
MedLetter is designed for speed and convenience. Most sick notes are delivered within 2-6 hours of your submission. Same-day delivery is our standard, ensuring you receive your documentation promptly.

Can I get a sick note on a weekend in Ontario?
Absolutely. MedLetter accepts submissions 7 days a week, including Saturdays and Sundays. This is particularly beneficial as many Ontario walk-in clinics, especially in smaller cities or even larger ones like Ottawa and London, have severely limited weekend hours or are closed entirely. To ensure same-day delivery on weekends, we recommend submitting your request before 2 PM EST. MedLetter provides a reliable and fast solution when you fall ill on a weekend and need documentation ready for Monday.

What if my employer requires specific information on the sick note?
When making your request through MedLetter, you can specify if your employer requires certain details on the note, such as the expected duration of absence or a brief explanation of the impact of your symptoms. Our physicians will include appropriate information while maintaining patient confidentiality, adhering