Non-Hodgkin lymphoma and its treatment can lead to other health problems. You may receive supportive care to prevent or control these problems and to improve your comfort and quality of life during treatment. You may receive antibiotics and other drugs to help protect you from infections. Your health care team may advise you to stay away from crowds and from people with colds and other contagious diseases. If an infection develops, it can be serious, and you will need treatment right away. Non-Hodgkin lymphoma and its treatment also can lead to anemia, which may make you feel very tired. Drugs or blood transfusions can help with this problem. .