Does Verzenio (abemaciclib) commonly cause fatigue?
Yes. Fatigue is listed as a side effect of Verzenio (abemaciclib), and it can occur during treatment. Clinical information for abemaciclib includes fatigue among reported adverse reactions [1].
How does fatigue from Verzenio typically feel, and when does it happen?
Patients may experience low energy, weakness, or feeling tired during therapy. In practice, this side effect can show up after starting treatment and may change over the course of therapy, depending on dose and individual factors [1].
What can help if fatigue happens while taking Verzenio?
Supportive steps often include pacing activity, maintaining hydration, and checking for contributing issues such as anemia or thyroid problems if symptoms are persistent. If fatigue affects daily function, clinicians may adjust the dose or pause treatment to manage tolerability [1].
When should fatigue be checked urgently?
Contact a clinician promptly if fatigue is severe, rapidly worsening, or comes with other concerning symptoms such as shortness of breath, chest pain, fainting, fever, or signs of infection. These can indicate complications that need evaluation rather than routine fatigue management [1].
What dose or treatment changes are used if fatigue is a problem?
If fatigue is significant, the prescriber may consider dose adjustment or interruptions to reduce side effects while keeping treatment effective. The exact approach depends on severity and other lab or health findings [1].
Sources
[1] https://www.verzenio.com (Prescribing information and safety information for Verzenio/abemaciclib)