Writing a clear and polite Sick Leave Extension Email shows professionalism and ensures smooth communication at work.
A sick leave extension email is a professional message sent to your manager, HR, or supervisor requesting more time off than originally planned due to ongoing health issues. This email helps maintain transparency and manage expectations at the workplace.
Table of Contents
5+ Sick Leave Extension Email Samples
1. Sick Leave Extension Email to Boss
Subject: Sick Leave Extension Request
Subject: Sick Leave Extension Request
Dear [Boss’s Name],
I hope you’re doing well. I’m writing to inform you that I am still in the process of recovering and, on my doctor’s recommendation, I need to extend my sick leave. I was initially scheduled to return on [original return date], but I now request an extension until [new expected return date].
I sincerely apologize for any inconvenience this may cause and truly appreciate your understanding and support during this time. I will keep you updated on my recovery and provide any additional documentation if required.
Thank you for your consideration.
Warm regards,
[Your Full Name]
[Your Position]
2. Sick Leave Extension Due to Fever
Subject: Request for Sick Leave Extension Due to Fever
Dear [Manager’s Name],
I hope this message finds you well. I am writing to request an extension of my current sick leave, as I am still experiencing a high fever and have been advised by my doctor to take additional rest for a full recovery.
My initial leave was scheduled to end on [original return date], but I kindly request an extension until [new expected return date]. I apologize for any disruption this may cause and assure you that I will stay in touch and submit a medical certificate if needed.
Thank you for your understanding and support.
Sincerely,
[Your Full Name]
[Your Designation]
[Department, if applicable]
3. Medical Leave Extension Letter to Manager
Subject: Request for Extension of Medical Leave
Dear [Manager’s Name],
I hope you are doing well. I am writing to formally request an extension of my current medical leave. While I had initially planned to return to work on [original return date], my doctor has advised additional rest and follow-up treatment, and I will need to extend my leave until [new expected return date].
I understand the importance of maintaining workflow and sincerely apologize for any inconvenience this may cause. I am happy to provide any necessary medical documentation to support my request.
Thank you for your continued understanding and support. Please let me know if any further information is needed.
Sincerely,
[Your Full Name]
[Your Position]
[Employee ID, if applicable]
[Department Name]
4. Sick Leave Extension Email After Surgery
Subject: Request for Extended Sick Leave Post-Surgery
Dear HR,
Following my recent surgery, I am still under medical supervision and require more time to recover. I request an extension of my sick leave until May 10, 2025.
I will provide the updated medical documents soon.
Regards,
Rohan Jain
5. Casual and Short Sick Leave Extension Email
Subject: Sick Leave Extended
Hi Anjali,
Just a quick note to say I’m still not feeling great and won’t be able to return until May 1. Thanks for understanding!
Best,
Neha
6. Sick Leave Extension Email with Apology
Subject: Sick Leave Extension Apology
Dear Mr. Shah,
I’m truly sorry for the inconvenience, but I’m still unable to resume work due to ongoing health issues. I humbly request an extension of my sick leave until May 5.
Thank you for your continued support.
Warm regards,
Akash Malhotra
FAQs
When should I request a sick leave extension?
You should request a sick leave extension as soon as you realize that your health condition requires more recovery time than initially planned.
Do I need to provide a medical certificate for a leave extension?
In most professional workplaces, a medical certificate is required for extended sick leave—especially if the extension is longer than 2–3 days. Always check your company’s HR policy.
Can I send a sick leave extension email instead of a letter?
Yes, an email is usually sufficient and the preferred method in most modern workplaces. Ensure it’s written professionally and includes key details like dates and reasons.