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ethan_ferguson2026-04-18

I've recently begun treatment with Kanjinti (the biosimilar version of Herceptin) for my HER2-positive breast cancer. I'm having my first infusion this week and I'm feeling a mix of hope and anxiety. I want to manage my expectations and be prepared for the potential side effects. I've read about possible symptoms like fever, chills, and nausea, but I'm wondering if anyone has experienced more unusual side effects, or if there are some great tips for managing them. Do you do anything special on infusion days? Based on your experience, what advice do you have for coping with potential side effects, and how did you manage some of the common symptoms?

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last active 2d ago
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Comments (7)

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steven_lewis2d ago

I had some unusual burning sensations and tingling in my hands and feet. My doctor said it was peripheral neuropathy, a nerve issue. It went away after a couple of weeks, but it was scary at first. So, yeah, be aware that side effects can vary.

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edward_gardner2d ago

A lot of people don’t know, but ginger tea can help if you're getting sick or nauseous. It works for me every time.

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nancy_herrera2d ago

For me, the worst part was the anxiety leading up to the infusion. I found that talking to my oncologist and understanding exactly what was going on really helped. They explained the whole process even before I was admitted for the infusion, and that made me feel more at ease. I also brought my iPad and some snacks to keep my mind occupied during the infusion. My best advice? Ask questions, be informed, and don't hesitate to ask for help during the infusion.

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carolyn_hughes2d ago

Stay hydrated and bring a book or someone to talk to. The first few hours are pretty boring, so having a distraction helps.

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teresa_henry2d ago

I'm so glad you posted this! I'm going to be asking my doctor about these side effects at my next appointment. Thanks for sharing.

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nathan_dunn2d ago

I never had severe side effects, but I did get a really nasty headache for a few hours after each one. I stocked up on pain killers to help with that. It's all individual and can be tough but we can do it.

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joyce_ford2d ago

I heard that some people experience infusion reactions, so make sure your medical team is aware if your body temperature spikes or if you feel unusually short of breath, dizzy, flushed etc. I got the same advice from my doctor in advance, which made me feel in control.

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