You're best bet is to call the clerks office explain you're sick and ask to be put on the next available court date. Then go to hospital and get a letter.If an employer fires an employee for an unlawful reason, this is referred to as wrongful termination and can lead to a legal claim. In Texas, the deadline for filing wrongful termination claims is 180 days from the date of your dismissal. Employment discrimination generally exists where an employer treats an applicant or employee less favorably merely because of a person's protected class. You might be able to take legal action over your wrongful termination. Contact an Attorney. Every employee should understand their rights in the workplace and what the law has to say about termination over illness. Tarrant County Courts at Law. Call the court ASAP to give them the heads up, and ask what they will want to prove you were sick most likely a signed and dated letter from your doctor.