This patient support community is for discussions relating to undiagnosed symptoms, breathing difficulties, feeling cold, cough, diarrhea, dizziness, fainting, fever, indigestion, itching, nausea, numbness, pain (chronic), paralysis, rash, sweating, swelling, urination problems, and vomiting.
The first thought of things to cause such tiredness would be anemia, diabetes, thyroid, and sleep disorders. If you don't find a medical cause for your fatigue, consider checking your sleep to see if it can be identified why your sleep isn't restoring you.