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Sick Leave Letter

When you must take a leave of absence from work due to illness, writing a formal sick leave letter to alert your employer of the situation should be your first course of action. This can help ensure that you and the company both have a record of the intent and dates of your sick leave, as well as keeping your position secure for your return to the workplace. This type of leave letter sample can help you find the proper format and the right words to communicate with your employer.

Format and Content

You should briefly state the main reason for your leave, specifying the illness and whether your doctor has ordered the leave. It is best to use a concise, formal writing style in your sick leave letter format. The body of the letter ought to clearly state the number of days you expect to be absent from work as well as the exact date you plan to resume work. It should display your name, title, address and the date at the top of the page. If you can be contacted during the leave, specify a contact number or email address. Ensure that the company policy is followed to include a doctor’s note if necessary to support your request for sick leave.


Here is a sick leave letter sample from a company employee to the manager of Human Resources. The employee suffers from influenza and has been advised by her doctor to take a two week sick leave to recover and avoid spreading the illness. She is sending this formal letter to her employers to inform them of the situation and provide details.

Dear Ms. Clayton,

This letter is to inform you that I will be taking two weeks of sick leave from August 5 through August 19, as I am currently unable to come in to work due to having contracted influenza. My doctor has advised that I take this leave to rest, recover and avoid spreading the illness in the office. Please see his note enclosed with this letter. I apologize for any inconvenience caused by this leave and look forward to being able to return to the office as usual once I have sufficiently recovered.

I will complete my current projects from my home when possible and send them in to the office by fax. Once I return to the office on August 19, I plan to put forth as much effort as possible to make up for the lost time. I can be contacted during my leave if there are any questions or concerns. Please feel free to leave me a message by phone at (555)-555-5555 or by email at [email] if any clarification is needed in this matter. Thank you for your consideration.

Yours sincerely,

Katrina Jacobs

Katrina L. Jacobs

Senior Assistant

Smith Communications