 [ Symptoms ] i have an allergy for dust mites now pain in back of head when i cough [ Disease ] the spotting probably is normal but if it would set your mind at ease then by all means call your doctor in terms of the fatigue your doctor is right it is probably normal every person recovers from surgery differently some people bounce back very quickly others take longer much of this depends on your health status before surgery to help get your strength back be sure to drink plenty of fluids and eat a healthy well balanced diet that includes an appropriate number of calories and includes fresh vegetables and fruits protein whole grains and healthy fats you will find some great information in webmd is diet center hope this helps