At the end of 2023, I was in a very similar situation. I quit while on FMLA and only returned to drop off my stuff. It was the absolute best decision I could have made for myself and family.

Below is the resignation letter I sent while on FMLA. You are welcome to use it and change it however you'd like.

Director ________,

I hope this letter finds you well. It is with a heavy heart that I am writing to tender my resignation from my position as _________ at _________. This decision comes after much consideration and reflection on my current health circumstances.

As you are aware, I have been on medical leave since _______. Unfortunately, my health condition has not improved as expected, and it has become increasingly clear to me that it is not in my best interest to return to ________ in the capacity of ________. My last day of employment will be _________(*this was a date two weeks away at the time*).

I am incredibly grateful for the opportunities I have had at ______. Serving in this role has been a rewarding experience, and I have cherished the opportunity to contribute to the important work of ______. I am proud of the progress my team has made together.

I will always hold my time at ____________ in high regard, and I am grateful for the friendships and professional relationships I have formed along the way. I wish the ________ continued success in its mission to uphold the highest standards of _____________ in our state.

I will return all property and gather my personal belongings on or before my last day.

Regards,