What Oncology Nurses Wish Every Patient Knew Before Starting Chemotherapy

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Megha Shah The Oncology Nurse

By Megha Shah, DNP, FNP, RN, OCN
Published: May 11th, 2026 | Est. reading time: 8 minutes

There is a moment that oncology nurses witness again and again. A patient sits in the waiting room before their first chemotherapy appointment, hands folded in their lap, eyes somewhere far away. The fear is not just of the treatment itself. It is of the unknown. Of not knowing how it will feel, what to say, or whether they will be able to handle what is ahead.

What we wish we could do in that moment is sit beside every one of those patients and tell them what we know. Not the clinical package insert version. The real version. The things learned from years of walking alongside people through one of the most challenging experiences of their lives.

This article is that conversation.

Your body will respond to chemotherapy in ways that are individual to you

One of the most important things to understand before your first infusion is that chemotherapy is not a uniform experience. Two people receiving the same regimen for the same diagnosis can have very different side effect profiles. What your neighbor, your colleague, or someone in an online forum experienced may bear little resemblance to what you will go through.

This is not meant to create anxiety. It is meant to release you from the weight of other people’s stories.

Some patients feel significant nausea. Many do not, particularly with the antiemetic medications now routinely used alongside treatment. Some experience profound fatigue. Others find they can maintain much of their normal routine. Peripheral neuropathy, mouth sores, and changes in appetite vary widely depending on the specific agents used, your overall health, and factors that are not always predictable in advance.

What this means practically is that your care team will monitor you closely, especially in the early cycles, so that your supportive care can be adjusted to fit your actual experience rather than a projected one. Go in with an open mind rather than a predetermined script.

Side effects are manageable, and managing them is part of the plan

Oncology nursing has changed profoundly over the past two decades, and one of the most significant areas of progress is supportive care. The experience of chemotherapy today is, for many patients, far more tolerable than the cultural stories we carry about it.

Nausea and vomiting, once the defining feature of chemotherapy in the public imagination, are now among the most effectively managed side effects in oncology. Antiemetic regimens are prescribed proactively, not reactively, and your team will want to know early if they are not working well enough so that adjustments can be made.

Fatigue is real, and it often follows its own pattern across the treatment cycle, typically peaking a few days after infusion and improving as the next cycle approaches. Understanding this rhythm helps. Rest is important, but so is gentle movement. Research consistently supports the benefit of moderate physical activity during treatment for improving energy levels, mood, and functional capacity. This does not mean pushing through exhaustion. It means that a short walk on a good day is genuinely helpful, not reckless.

Mouth care, hydration, nutrition, and skin protection are all areas where small consistent habits make a meaningful difference. Your nurse will give you specific guidance for your regimen. Take that guidance seriously. It is grounded in evidence.

Communication with your team is not optional: it is part of your treatment

Patients sometimes hold back from reporting symptoms because they do not want to seem like they are complaining, or because they worry that speaking up might affect decisions about their treatment. This hesitation is understandable, and it is also one of the things oncology nurses most want to gently challenge.

Your care team cannot adjust what they do not know about. When you report a symptom accurately and promptly, you are giving your team the information they need to help you. That is not complaining. That is clinical partnership.

There is a practical framework that helps here. Before you leave any appointment or infusion, know the answers to three questions. What symptoms should prompt me to call the clinic? When should I go to the emergency department rather than wait? Who do I call after hours and on weekends? These are not hypothetical questions. Get the specific answers for your situation and write them down.

Equally important is being honest about how you are managing emotionally. Anxiety, depression, and fear are not side effects that fall outside the scope of oncology care. They are expected, they are real, and there are evidence-based supports available. Telling your nurse that you are struggling is not a sign of weakness. It is a sign that you are paying attention.

Bring someone with you, especially at the start

Your first chemotherapy appointment involves a great deal of information arriving at a time when your nervous system is already under significant stress. Research on medical communication tells us that people retain a fraction of what they hear in high-anxiety clinical encounters. This is not a personal failing. It is physiology.

Having a trusted person with you serves multiple purposes. They can take notes, ask questions you might not think to ask in the moment, and help you process what was said once you are home. They also provide something that is harder to quantify but equally important: the experience of not facing the room alone.

If you do not have someone who can accompany you physically, ask whether the clinic allows phone or video participation for a support person. Many do, particularly since care teams became much more practiced at hybrid participation during the pandemic years.

Between appointments, consider keeping a simple symptom journal. Note when side effects occur, how severe they are on a scale of one to ten, and what helped or did not help. This becomes genuinely valuable data that helps your team see patterns and refine your care.

You are allowed to ask about the why behind your treatment

Informed consent is not a form you sign at the start. It is an ongoing process. At any point during your treatment, you have the right to ask why a particular drug or combination was chosen for your cancer, what the goals of treatment are, what the alternatives are, and what happens if you decide you want to pause or stop.

These conversations do not threaten your relationship with your care team. They strengthen it. Clinicians who practice evidence-based oncology expect and welcome informed patients. Your questions reflect engagement, and engagement with your own care is associated with better outcomes.

If you leave an appointment feeling confused or uncertain, call back. Ask to speak with your oncology nurse. That is what we are there for.

Preparing practically before your first infusion

There are concrete things that make the first few cycles easier, and knowing them in advance takes some of the logistical stress off a period when your energy is better spent elsewhere.

Before you start:

  • Arrange any dental work that is needed, as some chemotherapy regimens affect healing and your oncologist may want dental treatment completed first.
  • Fill any supportive care prescriptions before your first infusion so that they are ready if you need them.
  • Stock your kitchen with foods that tend to be well-tolerated during treatment, such as bland, low-fiber options, ginger-based products for nausea, and hydrating beverages. Your specific dietary recommendations will depend on your regimen.
  • Set up a comfortable space at home where you can rest during recovery days, with easy access to water, medications, and anything else you might need without having to move around too much.
  • Arrange any practical support you need, including help with childcare, transportation, or meals, particularly around the days following infusion.

On infusion days:

  • Dress in comfortable, layered clothing. Infusion suites can run cool, and easy access to your arm or port makes the process smoother for everyone.
  • Bring things to keep you occupied. Infusions can take several hours, and many patients find comfort in bringing a book, headphones, a tablet, or a small project.
  • Eat a light meal beforehand unless you have been specifically instructed otherwise. Arriving on an empty stomach can contribute to nausea.
  • Hydrate well before your appointment. Good hydration supports vein health and overall tolerance of treatment.

You are not doing this alone

The final thing oncology nurses want every patient to hear before they start chemotherapy is this: you will not be going through it alone.

Your oncology team cares about you as a person, not only as a patient with a diagnosis. The nurse who checks in on you at each infusion, the oncologist who reviews your labs, the social worker who can help coordinate support, the pharmacist who reviews your medications: these people are invested in your well-being and in your getting through this as well as possible.

Chemotherapy is hard. We will not pretend otherwise. But it is also something that thousands of people complete every year, often with more grace and resilience than they imagined possible before they began. The challenges are real. So is the capability to meet them.

If you are approaching your first infusion, we hope this gives you something useful to hold onto. And if you have questions specific to your own situation, please reach out to your care team. That conversation matters.

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This article is intended for general informational purposes and does not constitute individual medical advice. Always consult with your oncology team regarding decisions specific to your treatment and care.

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Keywords: what to know before chemotherapy, how to prepare for chemo, first chemo appointment tips, chemotherapy side effects management, oncology nursing patient guide