• Q&A with Australian Health Practitioners

    Do Beta Blockers cause Chronic Fatigue?

    Having recently had a heart attack, I've been put on Beta Blockers (Toprol/metoprolol).

    Ever since, I have constantly been feeling fatigued, run down, overwhelmed, lack of concentration, broken sleep, have alot of difficulty getting up in the morning, even though I go to bed at a reasonable hour. If I force myself out of bed, then throughout the day I feel lethargic. I seem to be a bit more energised at around 4pm.

    I cannot stop the Beta Blocker according to my cardialogist. I also have type 1 diabetes (which is very much under control). I gave a normal body weight and BMI. My bloods are in excellent conditions. I excercise, eat healthy. Pretty much I do everything I should be doing, by the book.

    So my question is… have I developed Chronic Fatigue due to the Beta Blockers, and if so, what can I do about it?
  • Image of Nathan Butler

    Exercise Physiologist



    Nathan Butler is an exercise physiologist and founder of the multi-disciplinary Active Health Clinic whom specialise in chronic health especially Chronic Fatigue Syndrome, orthostatic intolerance ... View Profile

    Chronic fatigue syndrome is multifactorial and the cause is unknown. Beta blockers have a common side effect which may cause fatigue. However, it is uncertain whether they causes chronic fatigue syndrome. The criteria for chronic fatigue syndrome is post-exertional malaise, as well as un-refreshing sleep.
    Focus on pacing without exacerbation of symptoms, dealing with stressors and consulting with a health professional with experience in cardiac and chronic fatigue syndrome would be advised.

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