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Fever during chemotherapy

What to Tell the Hospital — When You Call About Fever

The faster the triage nurse gets the right information, the faster you get a decision. Have four things ready before you dial: your regimen name, last cycle date, temperature reading, and your current symptoms.

Medically reviewed by Dr. N. Kiranmayee, Medical Oncologist · Last reviewed September 2026

  • Regimen name first — The nurse needs the treatment name, not just 'chemotherapy.' It tells them which infection risks apply to you.
  • Last cycle date — How many days since your last dose changes how seriously a fever is treated.
  • Temperature reading — Take it just before you call. Saying 'high fever' is less useful than a number from a thermometer.
  • Other symptoms now — Shivering, confusion, difficulty breathing, rash, or pain change the picture immediately.
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Tell the triage nurse your treatment regimen name, the date of your last chemotherapy cycle, your current temperature, and any other symptoms you have right now. These four things let them assess you in the first minute and tell you whether to come in immediately or what to do next.

If a symptom below applies to you, do not wait for a callback. Call 1800-202-8726 or go to your nearest emergency department.

If you are worried right now, call

Our helpline is answered by clinical staff. If a symptom is on the list above, do not wait for a callback — call, or go to your nearest emergency department.

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What the triage nurse will ask — and what to say

What they askWhat to have readyWhy it matters to them
Which treatment are you on?The regimen name from your treatment card or discharge summaryDifferent regimens carry different infection risks — the name shapes how quickly they act
When was your last cycle?The exact date, or the number of days since your last doseFever in the days closest to your last cycle carries higher risk than fever three weeks later
What is your temperature?A reading from a thermometer taken in the last 30 minutesA number is faster and more useful than 'high fever' — it removes guesswork from the first assessment
Do you have blood count results?Your most recent report if you have it; 'I do not have them' is a complete answerLow counts with fever changes urgency — but not having results does not stop the call
What other symptoms do you have?Name all of them: chills, pain, rash, cough, confusion, difficulty breathingSymptoms together tell a different story than any one symptom on its own
Typically startsFever risk is highest in the days after a cycle when counts are at their lowest — your nurse can tell you your specific risk windowThis window helps the nurse judge urgency, but report fever at any point, not only during the expected window

Have this ready before you dial

  • Treatment card or discharge summaryIt has your regimen name, cycle number, and the hospital emergency contact.
  • Temperature reading taken nowTake it just before you call, not from an hour ago.
  • Date of your last chemotherapy doseCheck your treatment diary or discharge paper if you are not certain.
  • Most recent blood count reportBring it with you if you go in. If you do not have it, say so — it will not stop the call.
  • A list of your current symptomsWrite them down first: chills, rash, pain, difficulty breathing, confusion, anything new.
  • Name of your treating oncologistThe triage nurse may need to contact them or pull up your records.

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Common questions

Frequently asked questions

What if I do not know the name of my chemotherapy regimen?

Check your treatment card, discharge summary, or the letter you received when treatment started — the regimen name is on all of these. If you genuinely cannot find it, tell the nurse that. They can look up your file from your name and date of birth. Not knowing the name will not stop the call, but having it saves time for both of you.

Do I need blood count results before I call?

No. Call as soon as you have a fever. Blood count results are useful if you already have them, and the nurse will ask, but the answer 'I do not have them' is completely fine. The triage decision starts from your temperature and symptoms. Do not delay calling in order to get tested first — that is the wrong order.

Is it different calling at night or on a weekend?

The information you give is exactly the same at 2am as at 2pm. Most oncology units have a 24-hour helpline or an on-call team for exactly this situation. If the helpline does not answer after two attempts, go directly to the nearest emergency department and tell them on arrival that you are on chemotherapy and have a fever. Do not wait until morning.

Should I take any medicine before I go in?

Do not take fever-reducing medicine or antibiotics without speaking to your oncology team first, unless they have already given you specific written instructions to do so. Fever-reducing medicine can lower a temperature that the team needs to see. Call the helpline, describe your symptoms, and follow the instruction you receive.

Full index

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Blood Counts, Infection, Fever & Emergencies73

Anaemia & Low Haemoglobin

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