How to Write a Sick Leave Application (Free Templates)
Writing a sick leave application doesn't have to be complicated, but it does need to be professional and clear. Whether you're emailing your boss, HR department, or school principal, having the right template saves time. Below, we've provided free sick leave email templates for various situations, along with guidance on when and how to attach a medical certificate.
Office/Corporate Template
Subject: Sick Leave Application - [Your Name] Dear [Manager's Name], Please accept this email to notify you that I am unable to attend work today, [Date], due to [briefly mention illness, e.g., a severe viral fever]. My doctor has advised me to rest for [Number] days to recover completely. I plan to resume work on [Return Date]. I have attached my medical certificate for your reference. My colleague [Colleague's Name] will handle any urgent matters during my absence. Thank you for understanding. Best regards, [Your Name]
School/College Template
Subject: Leave of Absence - [Student Name, Class/Roll No.] Respected Principal / [Teacher's Name], I am writing to inform you that I / my child, [Name], will not be able to attend classes from [Start Date] to [End Date] due to illness. The doctor has advised complete bed rest for this duration. Please find the doctor's medical certificate attached to this application. I will ensure that all missed coursework is completed promptly upon return. Sincerely, [Your Name]
One-day vs multi-day leave wording
For a single day of sick leave, you can be brief and simply state that you are feeling unwell and need a day to recover. However, for multi-day leaves, it is important to clearly specify the start and expected return dates, and it is highly recommended to attach a doctor's certificate to validate the extended absence.
When you need to attach a medical certificate
Most corporate HR policies require a medical certificate if your sick leave extends beyond 2 or 3 consecutive days. Schools and universities often require them for missing exams or extended absences. Attaching a verifiable certificate demonstrates professionalism and ensures compliance with leave policies.
Need a certificate to attach?
If you need a valid medical certificate to support your application, you can get one online quickly and easily.