Application for Sick Leave | Samples & Writing Guide
Updated: 25 Mar 2025
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A well-written application for sick leave is crucial for maintaining professionalism and ensuring smooth workflow management. Whether you need leave from work, school, or college, submitting a clear and concise application helps in gaining approval quickly.
When and Why to Write a Sick Leave Application?
- If you are feeling unwell and cannot attend work or school.
- To formally notify your absence to your employer, teacher, or HR department.
- To maintain a record of your leave for future reference.
Key Components of a Sick Leave Application:
- Date
- Recipient’s Details (Manager/Principal/HR/HOD)
- Subject Line
- Reason for Leave
- Duration of Leave
- Contact Information
How to Write a Sick Leave Application

Subject: Application for Sick Leave
Dear [Recipient’s Name],
I hope you are doing well. I am writing to formally request a sick leave from [Start Date] to [End Date] due to health issues. I have been experiencing [mention illness, e.g., high fever, flu, or severe headache], and my doctor has advised complete rest during this period.
I assure you that I will complete any pending tasks before my leave or delegate them to a colleague to ensure a smooth workflow. If necessary, I will be available via email for urgent matters.
I kindly request you to grant me leave for the mentioned duration. Your understanding and support in this matter would be greatly appreciated.
Looking forward to your approval.
Sincerely,
[Your Name]
[Your Position/Class]
Sick Leave Application for Office

Subject: Request for Sick Leave
Dear [Manager’s Name],
I hope this email finds you well. I am writing to inform you that I am feeling unwell and will not be able to attend work from [Start Date] to [End Date]. I have been experiencing [mention illness, e.g., fever, cough, or fatigue], and my doctor has advised me to take complete rest.
I have ensured that all my ongoing tasks are either completed or delegated to [Colleague’s Name] to ensure a smooth workflow during my absence. In case of any urgent matters, I will try my best to be available via email or phone.
Please let me know if any further documentation is required to process my leave request. I would be grateful for your understanding and approval.
Best Regards,
[Your Name]
[Your Designation]
Sick Leave Application for School

Subject: Application for Sick Leave
Respected Principal,
I am [Your Name], a student of [Your Class/Section] at [School Name]. I am not feeling well and have been diagnosed with [mention illness, e.g., viral fever, flu], which requires me to rest for [Number of Days]. Due to my health condition, I will not be able to attend school from [Start Date] to [End Date].
I request you to kindly grant me leave for the mentioned period. I assure you that I will catch up on all the missed lessons and assignments once I recover.
Thank you for your consideration.
Sincerely,
[Your Name]
[Your Roll Number/Class]
Sick Leave Application for Class 6 & 7

Subject: Request for Sick Leave
Respected [Teacher’s Name],
I hope you are doing well. I am [Your Name], a student of class [6/7], section [A/B]. Unfortunately, I am feeling unwell due to [mention illness, e.g., fever, flu, stomach ache] and will not be able to attend school on [Date]. My parents have advised me to take proper rest and recover before resuming my studies.
I kindly request you to grant me leave for [Number of Days] so that I can take the necessary treatment and avoid any health complications. I will make sure to catch up on any missed lessons and homework once I return to school.
Thank you for your understanding and consideration.
Sincerely,
[Your Name]
[Your Roll Number]
Sick Leave Application for College

Subject: Request for Sick Leave
Respected [Professor/HOD’s Name],
I hope you are doing well. I am writing to formally request a sick leave from [Start Date] to [End Date] as I have been experiencing [mention illness]. Due to my condition, I am unable to attend classes during this period and need rest for a full recovery.
I assure you that I will catch up on all the missed lectures and assignments upon my return. If any important coursework requires my immediate attention, I would be grateful if you could provide guidance on how I can manage it remotely.
I kindly request you to approve my leave application. Thank you for your understanding.
Best Regards,
[Your Name]
[Your Roll Number]
Urgent Sick Leave Application

Subject: Urgent Sick Leave Request
Dear [Recipient’s Name],
I am writing to inform you that I am feeling extremely unwell and need immediate rest. Due to sudden illness, I am unable to attend [work/school] today, [Date].
I sincerely request you to approve my urgent sick leave. If my condition does not improve, I will update you regarding any further absence.
Thank you for your prompt attention.
Best Regards,
[Your Name]
Professional Sick Leave Application

Subject: Request for Medical Leave
Dear [Manager’s Name],
I am writing to formally request sick leave from [Start Date] to [End Date] due to medical reasons. My doctor has diagnosed me with [mention illness] and has recommended that I take rest to recover fully.
I have attached my medical certificate for your reference. I have coordinated with my team to ensure that all ongoing work is managed in my absence. If needed, I will be available for urgent matters via email.
Please let me know if any additional documentation is required to process my leave request. I appreciate your support and understanding.
Best Regards,
[Your Name]
[Your Designation]
Conclusion
- Always mention the reason and leave duration clearly.
- Keep it professional and to the point.
- Use the right format for different scenarios.
- Ensure the request is polite and respectful.
By following these detailed templates, you can write a professional sick leave application that effectively communicates your request while maintaining a positive impression.
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