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Contour Health

Managing Side Effects

Fatigue & Energy Tips

Fatigue is a common side effect, especially early in treatment or after a dose change. Eating less, drinking less, and your body adjusting to the medication…

Why Fatigue Happens

Fatigue is a common side effect, especially early in treatment or after a dose change. Eating less, drinking less, and your body adjusting to the medication can all contribute to feeling more tired than usual.

What Helps

  • Stay hydrated — dehydration is a common, easy-to-miss contributor to low energy.
  • Make sure you're eating enough nutrient-dense food, even with a smaller appetite (see our Nutrition handouts).
  • Keep some gentle movement in your day — a short walk can boost energy more than resting all day does.
  • Prioritize sleep and a consistent routine where possible.
  • On days when energy is especially low, see “Staying Active on Low-Energy Days” for lower-intensity options that still count.

Key takeaway: Fatigue tends to be temporary and often improves as your body adjusts to your current dose — but it's worth mentioning at your next check-in if it doesn't.

When to Reach Out

  • Message your care team if: fatigue is severe, constant, getting worse rather than better, or comes with dizziness, fainting, or shortness of breath.
  • team, and message us with any questions.

This information is for general education only and is not a substitute for medical advice. Always follow the guidance of your Contour Health care team, and message us with any questions.