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Can Ado-trastuzumab Emtansine cause fatigue?
HER2 (Human Epidermal Growth Factor Receptor 2) inhibitors
Yes — fatigue has been reported as a side effect of Ado-trastuzumab Emtansine in FDA adverse-event reports (FAERS) and product labeling. It is among the more frequently reported events for this medication. These are voluntary reports, so they show what's been reported, not how often it happens.
Other reported side effects of Ado-trastuzumab Emtansine
Frequently asked questions
Is fatigue a side effect of Ado-trastuzumab Emtansine?
Yes — fatigue has been reported as a side effect of Ado-trastuzumab Emtansine in FDA adverse-event reports (FAERS) and/or its labeling. These are voluntary reports, so they show what's been reported, not how often it happens.
How common is fatigue with Ado-trastuzumab Emtansine?
fatigue is among the more frequently reported events for Ado-trastuzumab Emtansine in FAERS. Reporting volume isn't a true incidence rate — check the prescribing information for documented frequencies.
What should I do if I have fatigue while taking Ado-trastuzumab Emtansine?
Don't stop a prescribed medication on your own. Tell your prescriber or pharmacist — they can tell you whether it's expected, whether it needs attention, and what to do next.
Informational only, drawn from FDA adverse-event reporting (FAERS) and labeling — not medical advice, and not proof a medication caused an effect. Talk to your clinician or pharmacist about any side effect.
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