* Pessimism.
* Anxiety.
* Irritability.
* Depression.
* Hopelessness.
* Emotional detaching.

State University of New York at Albany

Symptoms of burnout can be:
* Physical
* Behavioral
* Emotional

Burnout Symptoms 

King, L. A. (2019). The science of psychology: An appreciative view. (4th ed). McGraw Hill Education. 

* Exhaustion.
* Repressed immune system. 
* Headaches.
* Sleep disturbance.
* Gastrointestinal issues.


* Social withdrawal.
* Absence.
* More caffeine, alcohol, and drug use.