Fatigue is a debilitating kind of overall weariness, which is not predictable and unrelated to your activity level. Increase in body temperature will temporarily worsen fatigue; conversely, air-conditioning or a cool drink will lower your temperature, possibly enabling you to feel better and continue.
- MS-related fatigue generally occurs on a daily basis.
- It tends to worsen as the day progresses.
- It tends to be aggravated by heat and humidity.
- It comes on more easily and suddenly.
- It is generally more severe than normal fatigue.
- It is more likely to interfere with daily responsibilities.