How to Write a Sick Leave Application for the Office
Published: 16 Oct 2025
Sometimes we all get sick and need to take a short break from work. In such cases, writing a sick leave application helps inform your office politely and clearly. It shows good manners and keeps your work organized even when you are away. A well-written sick leave application tells your boss why you can’t come to work, how long you’ll be absent, and when you’ll return.
Writing this letter is not hard. You just need to use simple language and a respectful tone. Whether you have a fever, flu, or any other illness, a short and clear application makes your communication professional.
This guide will help you write your sick leave application step by step in an easy and correct way.
How to Write a Sick Leave Application for the Office
When you are sick and cannot go to work, you should write a short and polite leave application. It helps your boss understand your situation and plan work smoothly in your absence.
Writing a sick leave application is very simple if you follow the right steps. Let’s see how to do it.
- Write the Date: The date shows when you wrote your application. It helps your office record and manage your leave properly. Always write the date at the top before starting your message.
- Add the Receiver’s Details: This part tells who will read your application. It usually includes the name and job position of the person you are writing to. It shows that your letter is meant for the right person and keeps things professional.
- Add a Subject Line: A subject line tells the reason for your application in one short line. It helps your boss understand your message quickly, even before reading the full application. Keep it simple and to the point.
- Write a Polite Greeting: A polite greeting sets a respectful tone for your message. It shows good manners and gives your letter a friendly start. Always greet the person properly before you begin writing the main message
- Write the Main Body: This is the main part of your application. Here you tell your boss that you are not feeling well and need some rest. You should clearly mention your reason for leave and how long you will be away. Keep your sentences short and polite.
- End Politely: Always end your application with kind and thankful words. This shows respect and gratitude toward your boss for understanding your situation. A polite ending leaves a good impression.
Could you write the Closing? Finally, could you write your name and other relevant details clearly? It helps your boss know who wrote the application. It also makes your letter look complete and professional.
Samples of sick leave applications for the office
Here are related sick leave applications for the office samples.
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Application for Sick Leave Due to Migraine
Respected Sir/Madam,
I am writing to formally request sick leave due to a severe migraine that started last night. The pain has made it extremely difficult for me to concentrate on work and perform my duties effectively. I have consulted my doctor and have been advised to take rest and avoid any stressful activity for a day or two.
Considering my health condition, I kindly request you to grant me sick leave from 13th October to 14th October 2025. I assure you that I will resume my duties immediately after my recovery and will ensure that all pending work is completed on time.
Thank you for your kind consideration and understanding.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request for Food Poisoning
Respected Sir/Madam,
I have been feeling very unwell due to food poisoning since last night. I am experiencing severe stomach pain, nausea, and weakness, which makes it impossible for me to carry out my office tasks efficiently. My doctor has advised complete rest and proper hydration for a speedy recovery.
Therefore, I request you to kindly grant me sick leave from 13th October to 14th October 2025. I will keep in touch via email in case of any urgent work and will ensure that all pending tasks are completed after my return.
Thank you for your understanding and support.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request Due to Accident
Respected Sir/Madam,
I am writing to inform you that I met with a minor accident yesterday. As a result, I have sustained injuries on my leg and shoulder, which require medical treatment and complete rest. My doctor has advised avoiding physical movement and stress for a few days to ensure proper recovery.
In view of this, I request you to grant me sick leave from 13th October to 17th October 2025. During my absence, I will ensure that all urgent work is handled or delegated appropriately. I will also provide updates regarding my recovery and expected date of return.
Thank you for your kind consideration.
Yours sincerely,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request for Mental Health Recovery
Respected Sir/Madam,
I am experiencing mental stress and emotional fatigue which has started affecting my focus and productivity at work. After consulting my doctor, I have been advised to take a few days off to rest and regain mental strength.
I request you to kindly approve my sick leave from 13th October to 20th October 2025. This will allow me to recover fully and return to work with better concentration and efficiency. I assure you that I will catch up on any pending work upon my return.
Thank you for your understanding and support.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request for Scheduled Dental Procedure
Respected Sir/Madam,
I am writing to inform you that I have a scheduled dental procedure that requires me to take a few days off from work. My dentist has advised that I should rest properly after the procedure to ensure a full recovery and avoid any complications.
In this regard, I kindly request you to grant me sick leave from 14th October to 16th October 2025. I will make sure to complete all urgent tasks before my leave and coordinate with my colleagues to ensure a smooth workflow during my absence.
Thank you very much for your understanding and support.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request for Family Health Emergency
Respected Sir/Madam,
I am writing to request sick leave due to a serious health emergency in my family. I need to be present to provide care and support during this critical time. My presence is essential to assist with medical arrangements and ensure proper care for my family members.
Therefore, I kindly request you to approve my leave from 13th October to 18th October 2025. I will stay in contact via email for any urgent matters and will keep you updated about my situation and expected return date.
Thank you for your kind understanding and support during this period.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request for Medical Tests
Respected Sir/Madam,
I am writing to request sick leave to undergo medical tests as advised by my doctor. These tests are necessary to monitor my current health condition and ensure timely treatment if required. I will need a short period of leave to complete the tests and take rest afterward.
I kindly request you to grant me leave from 14th October to 15th October 2025. I will ensure that any urgent work is delegated appropriately and will resume office duties immediately after recovery.
Thank you for your understanding and support.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request for Scheduled Surgery
Respected Sir/Madam,
I am scheduled to undergo surgery next week, and my doctor has advised hospitalization followed by a period of rest for complete recovery. Due to this medical procedure, I will be unable to attend the office during this time.
I request you to kindly approve my sick leave from 20th October to 3rd November 2025. I will ensure that all urgent tasks are completed before my surgery and will coordinate with my team to minimize any disruption to work. I will keep you informed about my health and expected date of return.
Thank you very much for your kind consideration and understanding.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request for Routine Medical Checkup
Respected Sir/Madam,
I am writing to request sick leave for a routine medical checkup that is scheduled tomorrow. This checkup is necessary to maintain my health and prevent any potential health issues. The appointment may require me to be away from work for a short period.
I kindly request you to grant me leave for one day, on 14th October 2025. I will ensure that all my responsibilities are managed before my leave and will resume work the following day.
Thank you for your kind understanding.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Sick Leave Request with Uncertain Return Date
Respected Sir/Madam,
I am currently experiencing a health issue that requires continuous medical attention. My doctor has not been able to confirm an exact date for my full recovery. Due to this uncertainty, I am unable to specify a definite return date at this time.
I kindly request you to grant me sick leave until I am medically fit to resume my duties. I will keep you updated regarding my health condition and expected return date. I sincerely apologize for any inconvenience my absence may cause and thank you for your understanding.
Yours faithfully,
Arman Khan
To
The Manager,
[Company Name],
[City Name]
Date: 13 October 2025
Subject: Request for Extension of Sick Leave
Respected Sir/Madam,
I am currently on approved sick leave; however, my health has not improved as expected. My doctor has advised that I extend my rest period to ensure complete recovery.
Therefore, I kindly request you to extend my sick leave from 13th October to 20th October 2025. I will ensure that all pending tasks are handled and will resume my duties immediately once I am fit to return. I apologize for any inconvenience this extension may cause and appreciate your understanding and support.
Yours faithfully,
Arman Khan
Importance of Writing a Sick Leave Application
Writing a sick leave application is an important step when you cannot attend work due to illness. It is not just a formality—it shows professionalism, respect, and responsibility. Here are the main reasons why it is important:
- Keeps Your Boss Informed: A sick leave application informs your boss about your absence in advance. It explains your situation clearly so your manager knows why you cannot attend work. This prevents confusion or misunderstandings.
- Maintains Professionalism: Writing a formal leave application shows that you take your job seriously. It reflects discipline and responsibility. Even if you are sick, your professionalism remains intact when you communicate properly.
- Helps in Work Planning: When your boss knows about your leave, they can plan work accordingly. Tasks can be delegated or deadlines adjusted. This ensures the team or office continues to function smoothly without interruptions.
- Acts as a Record: A written sick leave application acts as a record for both you and the office. It helps in tracking your attendance, leave balance, and any future reference if needed. This is important for HR and payroll purposes as well.
- Shows Respect and Courtesy:
Writing a polite leave application shows respect towards your manager and organization. It demonstrates that you care about your responsibilities and the smooth functioning of your workplace.
- Reduces Miscommunication: Without a proper application, your absence might create misunderstandings. A clear and concise sick leave application explains the reason for your absence, the duration, and your return plan, leaving no room for confusion.
- Supports Health and Recovery: A sick leave application allows you to take time off without worrying about your job. When you communicate professionally, you can focus on rest and recovery, knowing your office is informed and work is managed.
Conclusions.
Writing a sick leave application is an essential part of professional life. It helps you communicate your absence clearly, maintain discipline, and show respect for your workplace. A proper application ensures smooth work management, reduces misunderstandings, and keeps a record for future reference.
By submitting a well-written sick leave application, you not only take care of your health but also demonstrate responsibility, honesty, and professionalism. It creates trust between you and your employer and ensures that your work continues efficiently even in your absence.
In short, a sick leave application is not just a formality—it is a tool to maintain clear communication, support your recovery, and uphold your professional image.
FAQS.
Here are written FAQS related sick leave applications for the office.
A sick leave application is a formal document or email submitted to your manager or HR when you are unwell and cannot attend work. It explains the reason for your absence, the number of days you need off, and any arrangements you’ve made for pending work.
Why it matters: It is your official way of communicating absence and ensures your workplace records are accurate. For example, if you have a fever for two days, a sick leave application informs your manager and avoids misunderstandings.
Writing a sick leave application is important for several reasons:
Keeps your boss informed: Your manager knows exactly why you are absent.
Maintains professionalism: Even when sick, it shows you are responsible.
Helps with work planning: Colleagues can manage tasks in your absence.
Acts as a record: HR can track attendance and leave balance.
Shows respect: It demonstrates courtesy and honesty.
For instance, if you are recovering from a surgery, sending a detailed sick leave application ensures your manager can plan deadlines and reassign tasks temporarily.
The number of days depends on your illness and company policy. Short-term illnesses like cold, fever, or migraine may require 1–3 days, while serious issues like surgery, hospitalization, or accidents may require several weeks.
Tip: Always mention the exact dates of leave and, if possible, add the expected return date. This helps your manager plan workflow efficiently
Yes, especially if your illness is serious, involves hospitalization, or lasts more than a few days. A doctor’s note validates your leave request and shows that your absence is genuine.
Example: For a dental surgery, attaching a note from the dentist specifying the procedure and recovery days makes your request more credible and professional.
Yes, most offices accept sick leave applications via email. Ensure your email is:
Clear: State your illness, duration, and reason for absence.
Polite: Use respectful greetings and closing phrases.
Professional: Avoid informal language or emojis.
- Be Respectful
- Stay Relevant
- Stay Positive
- True Feedback
- Encourage Discussion
- Avoid Spamming
- No Fake News
- Don't Copy-Paste
- No Personal Attacks
- Be Respectful
- Stay Relevant
- Stay Positive
- True Feedback
- Encourage Discussion
- Avoid Spamming
- No Fake News
- Don't Copy-Paste
- No Personal Attacks
