When Should You Speak to Your Doctor?<\/strong><\/span><\/h2>\n\n\n\nYou should speak to your doctor<\/strong><\/a> if you experience any new, persistent, or worsening symptoms during or after blood cancer treatment. You should also contact your doctor\/oncologist if you:<\/p>\n\n\n\n\n- Develop a fever, chills, or other signs of infection