Patients who may have this problem complain of having high temperature and other signs of fever regularly. Sometimes, it might mean that some infection penetrated the body. In other cases, a fever means something worse. There is no way to predict when the next attack of illness will be.
The ongoing fever which does not give you a chance to recover fully is a warning symptom of many disorders, but lymphoma is one of the worst guesses. Pay attention to whether this fever does not leave in more than a week.