1. Notify Your Employer: Inform your employer as soon as possible about your diagnosis and the anticipated need for leave. 2. Provide Medical Documentation: Submit documentation from your healthcare provider outlining your diagnosis and treatment plan. 3. Complete Required Forms: Fill out any necessary forms provided by your employer or human resources department. 4. Understand Your Rights: Familiarize yourself with legal protections such as the Family and Medical Leave Act (FMLA) in the United States, which allows eligible employees to take up to 12 weeks of unpaid leave for serious health conditions.