Learn about wrongful termination laws in Pennsylvania, including your rights and options for legal recourse. The short answer is yes, your employer can fire you for taking a sick day.To sue for wrongful termination, you'd need evidence that the real reason you were fired was discrimination (e.g. This state-specific guide covers labor and employment case law, statutes, rules, and regulations that HR professionals and clients often encounter Filing a Wrongful Termination Lawsuit. Employees who have been wrongfully terminated while they are sick have the option to pursue financial recovery. Am I entitled to Sick Leave? The short answer is yes you can be terminated even on an approved medical leave. The only exception I am aware of is if you have FMLA leave. Employees in Pennsylvania are protected under strict employment laws.