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Fatigue is a feeling of weariness, tiredness, or lack of energy. It is different from drowsiness which is feeling the need to sleep, while fatigue is a lack of energy and motivation. Drowsiness and apathy (a feeling of indifference or not caring about what happens) can be symptoms of fatigue.
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| Reason | # Patients | Percentage of patients | |
|---|---|---|---|
| Coffee | 6 | 1% | |
| Vitamin B12 (cyanocobalamin) | 6 | 1% | |
| Modafinil | 3 | 1% | |
| Multivitamins | 3 | 1% | |
| Vitamin B Complex | 3 | 1% | |
| Acupuncture | 1 | 0% | |
| Levothyroxine | 1 | 0% | |
| Naps | 1 | 0% | |
| Tea - black, partly decaffeinated | 1 | 0% | |
| TravaCor | 1 | 0% |