How to Write a Sick Leave Application Letter [Perfect Samples]

If you’re feeling unwell and need time to recover, it’s essential to communicate your situation effectively to your employer or HR department. A well-written sick leave letter can clearly express your needs and help you navigate professional protocols during your recovery period.

How to Compose a Sick Leave Letter: Key Guidelines

When crafting your sick leave letter, remember it’s a formal document that requires a professional tone and clarity. Here are some tips to help you get it right:

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  1. Begin with a formal salutation: Address your supervisor or HR personnel professionally.
  2. State your need for leave: Clearly define the reason for your leave, mentioning that it is due to ill-health.
  3. Specify the duration: Indicate the start and end date of your anticipated leave period.
  4. Provide supporting documents if available: If you have a doctor’s note or any relevant medical documentation, mention that you’ll provide these.
  5. End with a polite closing and your signature: Finish your letter professionally and sign it.

5 Samples of Sick Leave Letters

Sample 1

Dear [Manager’s Name],

I am writing to inform you that I have come down with the flu and my doctor has advised me to take rest for the next week. Thus, I would like to request sick leave starting from [start date] to [end date].

I will provide all the necessary medical documents for your reference.

Thank you for your understanding.

Yours sincerely,

[Your Name]

Sample 2

Dear [Supervisor’s Name],

I am suffering from a severe migraine and my physician has advised complete rest for three days starting from [start date]. I will join work on [end date].

Please find attached my medical certificate for your perusal.

Kind regards,

[Your Name]

Sample 3

Dear [HR Manager’s Name],

I am writing to let you know that I have been diagnosed with chickenpox and will be unable to attend work for the next two weeks, effective from [start date].

I am happy to provide any additional medical documents you may need.

I appreciate your understanding of my situation.

Best regards,

[Your Name]

Sample 4

Dear [Manager’s Name],

I am having some health issues related to my blood pressure and my doctor has asked me to take a week off from [start date]. I will resume my duties on [end date].

The required medical documents will be provided to you.

Thank you for your understanding.

Kind regards,

[Your Name]

Sample 5

Dear [HR Manager’s Name],

I am writing to inform you that I am suffering from a severe back pain and my doctor has recommended complete bed rest for a period of 10 days starting from [start date].

Please find attached the medical documents for your consideration.

I will be grateful for your understanding.

Yours sincerely,

[Your Name]

FAQs on Sick Leave Letters

Can I write a sick leave email instead of a letter?

Yes, most companies now accept sick leave notifications via email, following the same format as a letter.

Do I need to specify my illness in the letter?

No, you’re not obliged to disclose details about your illness. It’s enough to state that you’re unable to perform your duties due to ill-health.

What if my leave extends beyond the initially requested period?

If you require additional time off, you should submit another letter or email updating your employer on your situation and requesting an extension.


Writing a sick leave letter is a necessary professional task that requires clear communication and a respectful tone. By following these guidelines and examples, you can ensure that your sick leave letter effectively communicates your situation and maintains your professional relationships. Always remember, your health is paramount, and a well-crafted sick leave letter is an important step in ensuring you get the rest and recovery you need.

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