Sick Leave Application with Medical Certificate: Format and Samples

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sick leave application with medical certificate

Whether you are a school or a college student or an office employee, once in a while you might need to write a sick leave application. To ask for permission for sick leave one always needs to provide a formal application to the concerned authorities. It can be a herculean task if you don’t know the proper format and are confused about what things to mention in it. 

Are you also struggling to write a sick leave application with a medical certificate? If the answer is yes, then this blog will surely help you! 

What is Sick Leave Application? 

An application for sick leave is written by students and working professionals to the principals and their managers respectively. It is written in a formal style to the concerned authorities informing them about the poor health condition. The sick leave application contains information like the name of the person, details of the concerned authorities, current health status, details about the illness, duration, and date of the leave. If a person is quite unwell and is planning to take a long duration of leave then they must provide a sick leave application with a medical certificate. 

Focus Areas while Writing a Sick Leave Application 

While writing a sick leave application make sure you split it into three paragraphs as the proper spacing and formatting are quite important when it comes to writing an application. 

First or Introductory paragraph – The first paragraph is all about you telling personal details about yourself which includes your name, in case of school and college – your class and course name respectively, and case of office your job designation. Make sure that while writing this you maintain a formal, professional, and respectful tone as an application like this should never be written informally. 

The second paragraph or the body -This part of the application is going to be about the no. of days you are going to take leave, the date of the leave, and details about your illness. It is easy to forget that you don’t have to write any unnecessary information here. Always stick to the specificness of the details and avoid any irrelevant information. 

Concluding paragraph – In the concluding paragraph you need to formally ask the concerned authorities to permit you to take the leave. Make sure that here also you maintain a respectful and formal tone to avoid any miscommunication. 

Also Read: Casual leave application – Format and Examples

Format of the Application 

Following are the details that you need to mention according to the format of the application. 

Date – You need to write the date at the top left corner of the application. Also, make sure that the date needs to be the one on which you will be sending the application to your principal / Manager.

Contact details about the recipient – After the date, you need to mention the details about the recipient like the address and name of the company or school. 

Subject – After the contact details of the recipient you need to write the subject of the application, which should not be more than 5-6 words.

Salutation – The next thing is to greet the concerned person. If you are a working professional make sure you follow the current trend where a person is greeted by their first name. 

Personal details – After the salutation, you need to write about some of your personal details in the introductory paragraph which includes your name and job designation.

Body – The body of the application is all about mentioning the important details. Avoid any kind of redundant and unnecessary details.

Sign-off – After completing the application you need to sign it off by mentioning Yours truly or Yours faithfully or Yours Sincerely which is then followed by your name, phone number, and email ID. 

Here is a sample of the Format of the Application for writing a sick leave application:

[Recipient’s Name]
[Recipient’s Position/Title]
[Company/Organization Name]
[Company/Organization Address]
[City, State, ZIP Code]

Subject: Sick Leave Application

Dear [Recipient’s Name],

I am writing to inform you that I am unable to attend work/school due to illness. I am experiencing [briefly describe your symptoms, if comfortable], and I have been advised by my doctor to take [number of days] off for rest and recovery.

I kindly request approval for sick leave starting from [start date] to [end date]. I will ensure to complete any pending tasks or delegate them appropriately before my absence.

Attached is the medical certificate provided by my doctor for your reference.

Thank you for your understanding and prompt attention to this matter. Please let me know if any further documentation or information is required from my end.


[Your Name]

[Your Signature – if submitting a hard copy]

Provide Necessary Details 

Always try to avoid information in your application that is already mentioned elsewhere, as this not only loses the reader’s interest but also diminishes its genuineness. Keep your writing on point and coherent by only including the relevant details.

Be Honest while Writing the Application

You must concisely describe the state of your health. Please remember that you are under no obligation to disclose any other personal information, including the circumstances of your emergency and the indications and symptoms of your medical conditions. If it makes you uncomfortable, you are not required to give them your information.

Analyze your Health Condition

Try and calculate the no. of days it will take you to feel well by analyzing your health situation and speaking with your doctor about it. To avoid confusion, always make an effort to have good and clear communication with your manager or teacher about your current situation.

Also Read: How to write an application to the Principal? 

Things to keep in Mind while Writing Sick Leave Application with Medical Certificate 

While writing a sick leave application keep in mind the following things to avoid any miscommunication: 

  1. Depending on the significance of your letter, don’t forget to include a range of details.
  2. Make sure to speak with your employer or principal to know whether the requested leave has been approved.
  3. Follow all necessary steps when submitting a sick leave application.
  4. Make sure you submit your sick leave application with a medical certificate that will assert your claim.
  5. Always remember to keep a copy of the application for future reference. 

Also Read: Leave application format for school, college, or office

Sample of Sick Leave Application with Medical Certificate 

The Principal,
Rani Laxmi Bai Senior Secondary School,
Shalimar Street,
Delhi – 22980

Date: 23.03.2024

Subject: Application for Sick Leave

Respected Sir/Ma´am,

My Name is XYZ and I am currently working as a software engineer in your company. I am currently unwell and therefore, would like to apply for sick leave.

I am currently suffering from really bad flu therefore, I would like to request you to please grant me two days’ leave which is from 22nd March 2023 to 23rd March 2023 as suggested by my doctor. For this purpose, I am attaching a copy of my medical certificate for your reference. 

I have no urgent tasks and will join back as soon as I recover. I would be highly obliged if you would consider my request.

Yours truly, XYZ 
(Phn. No.-XXXXXXXX)   


Q1. How do I tell work sick leave?

Ans- If you are a working professional and want to take a sick leave then you need to write a sick leave application addressed to your manager. The application should contain the dates you will be taking leave, details of your illness, and some personal details like your name and job designation.

Q2. How do I state the reason for sick leave?

Ans- Always be honest while mentioning the details and try to avoid any unnecessary details. Also if the illness is severe then send a sick leave application with a medical certificate.

How do I write a sick leave application?

Ans- While writing a sick leave application maintain a formal tone throughout the application, follow the format, and stick to the specificness of the details.

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