Sample Leave Extension Letter for Medical Treatment

In this article, I’ll guide you through the art of writing an effective leave extension letter, supplemented with a practical template to get you started.

Key Takeaways

  • Purpose of Your Request: Clarify the reason for your leave extension clearly and professionally.
  • Documentation Is Key: Always attach relevant medical documentation to substantiate your request.
  • Be Specific: Clearly state the extension period with proposed start and end dates.
  • Maintain Professionalism: Even in trying times, maintain a formal tone throughout your letter.
  • Offer Solutions: Suggest how your responsibilities can be managed in your absence.
  • Follow Up: Don’t hesitate to follow up if you don’t receive a response within a reasonable timeframe.

Step-by-Step Guide to Writing Your Leave Extension Letter

Step 1: Adopt a Formal Structure

Begin with the employer’s address, followed by your own, and the date. This should be followed by a formal salutation to the appropriate person, typically your direct supervisor or HR manager.

Structure Example:

[Your Name]
[Your Position]

[Recipient’s Name]
[Their Position]
[Company’s Name]
[Company’s Address]

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Dear [Recipient’s Name],

Step 2: State Your Request Clearly

Introduce the purpose of your letter succinctly in the first paragraph. Mention the original leave and the need for its extension.

Introduction Example:

I am writing to formally request an extension of my medical leave. As you are aware, I have been on leave for medical treatment since [Original Leave Start Date], with an anticipated return on [Original Return Date].

Step 3: Elaborate on the Medical Reason

In the second paragraph, delve deeper into the medical reason without oversharing personal health details. Attach medical certificates or doctor’s notes as needed to support your request.

Detailing Example:

My treatment has required more time than initially expected due to unforeseen complications. Attached are the updated medical recommendations from my healthcare provider, suggesting an extension of [Number of Weeks/Months] to fully recover.

Step 4: Specify the Extension Period

Clearly indicate the requested extension period with exact dates if possible. If uncertain, provide a tentative timeframe.

Specification Example:

Based on my doctor’s advice, I am requesting to extend my leave from [New Start Date] to [New End Date]. I will keep you updated on my recovery progress and provide any additional documentation as required.

Step 5: Propose Continuity Solutions

Acknowledge the impact of your extended absence and propose practical solutions for managing your responsibilities. This shows consideration for your team and ongoing projects.

Continuity Example:

To ensure a smooth continuation of my duties, I propose the following arrangements:
– [Team Member] can handle [Specific Task].
– I can provide remote support for critical issues, health permitting.

Step 6: Express Appreciation and Close Formally

Conclude by thanking your employer for their understanding and reiterating your commitment to your role.

Conclusion Example:

Thank you for considering my situation and this request for an extension of my medical leave. I am eager to return to my role as soon as possible and appreciate your support during this challenging time.

Warm regards,

[Your Name]
[Your Contact Information]

Final Tips

  • Proofreading: Always proofread your letter for errors to maintain professionalism.
  • Attach Documentation: Include all relevant medical documents.
  • Be Reachable: Ensure your employer knows how to contact you during your leave.

Leave Extension Letter for Medical Treatment Template

[Your Name]
[Your Job Title]
[Your Department]

[Recipient’s Name]
[Their Job Title]
[Company’s Name]
[Company’s Address]

Dear [Recipient’s Name],

I hope this message finds you well. I am writing to request an extension of my medical leave, initially granted from [original leave start date] to [original leave end date], due to necessary ongoing medical treatment.

As you are aware, I have been receiving treatment for [brief description of medical condition], and while I hoped to return to work by now, my medical team has advised prolonging my absence from work to ensure a complete and thorough recovery. Attached are the updated medical documents and a letter from my physician recommending an additional [number of weeks/months] of leave.

I am requesting an extension of my leave until [new proposed return date]. I understand the challenges my extended absence may pose to our team, and I have outlined a few suggestions below on how my responsibilities could be managed during my continued leave:

  • [Task or Project 1]: Could be managed by [Colleague’s Name] who has assisted me with this in the past.
  • [Task or Project 2]: I can offer remote support for this task, health permitting, to ensure continuity.
  • [Any other arrangement]: Description of the arrangement.

I am committed to maintaining open lines of communication and will provide timely updates on my health status and expected return date. I am hopeful for your understanding and support during this challenging period, as I aim to return to my position with the ability to contribute effectively.

Thank you very much for considering my request for an extension of my medical leave. I appreciate your understanding and support.


[Your Name]
[Your Contact Information]


  • Replace placeholders (e.g., [Your Name], [original leave start date]) with your specific details.
  • Attach all relevant medical documentation as mentioned in the letter.
  • Ensure the tone is professional and the request is clearly stated.

Frequently Asked Questions (FAQs)

Q: How do I justify the need for a leave extension in my letter?

Answer: In my experience, clarity and medical evidence are key. I always explain the medical necessity in straightforward terms and attach documentation from my healthcare provider to substantiate the extension request.

Q: What is the best way to format a leave extension letter for medical treatment? 

Answer: I stick to a formal business letter format, starting with my contact details, the date, and then the recipient’s information, followed by a respectful salutation. This structure maintains professionalism and sets the right tone for the request.

Q: Should I discuss my medical condition in detail in the letter?

Answer: From what I’ve learned, it’s important to maintain privacy while being transparent enough to justify your request. I mention the condition briefly and focus more on its impact on my ability to work, rather than the specifics.

Q: How can I ensure my leave extension request is taken seriously?

Answer: I make it a point to submit the letter well in advance and include official medical recommendations. This preparation shows foresight and responsibility, which helps in being taken seriously.

Q: What if I am not sure about the exact return date when requesting an extension?

Answer: I’ve faced this situation before, and I recommend providing a tentative return date and expressing willingness to update the employer as the situation evolves. This keeps communication open and flexible.

Q: How can I handle my responsibilities during the extended leave period?

Answer: Based on past experiences, I suggest proposing a plan for how your responsibilities can be managed in your absence. Offering solutions, like delegating tasks to specific colleagues or available for consultation, helps ease potential burdens on your team.

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