The symptoms of lymphoma are very common in many other sicknesses, which is why you really have to be vigilant about your condition and consult a doctor whenever you feel like there is something wrong. It may actually take some time before you realize that you have this kind of sickness because during the first few days or weeks, you may not even feel that something has changed. If in doubt, do not hesitate and set an appointment with your doctor before you conclude anything and start looking for treatments.