[header] How to write a medical leave letter [title] Learn your company's medical leave policy. [step] Before you write your letter, make sure you know your company's policy. When asking for leave, you'll want to make sure you're asking for an appropriate amount of days. 
[substeps] You can look in your company's handbook, or online, to find their sick leave policy. You can also talk to the hr department if anything is still unclear.