Harvard Men's Health Watch

When should you worry about fatigue?

On call Q. I have been quite fatigued over the past two weeks. How long should I wait before seeing a doctor? A. We all go through periods of low energy. Even a week of feeling more tired than usual is not uncommon. Yet most people can tell when their fatigue feels like something more serious. If thatís the case, or your fatigue gets worse or lasts longer than a…

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