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Safety & Infection ControlANC < 1,000 = infection risk

NeutropeniaNCLEX cheat sheet

Neutropenia is a low absolute neutrophil count, severely impairing the body's ability to fight bacterial and fungal infection.

19 key facts 3 practice questions Reviewed Oct 2026
The 1-minute sheetCinnaRN

Values

  • ANC <1000 = neutropenic
  • ANC <500 = SEVERE risk

Report

  • FEVER = only sign, emergency
  • may have NO pus/redness (no WBC)
  • temp >100.4 → call provider NOW

Do

  • neutropenic precautions, private room
  • strict hand hygiene, limit visitors
  • filgrastim ↑neutrophils

Avoid

  • NO raw fruits/veggies, fresh flowers
  • no sick visitors, no live vaccines
Red flag to remember

Report a temperature of 100.4 F (38 C) or higher immediately; neutropenic fever is an emergency requiring prompt antibiotics.

Before you read

Test yourself first: 3 questions

Question 1 of 3

A client receiving chemotherapy has an absolute neutrophil count (ANC) of 480/microliter. Which precaution is most important?

What is neutropenia?

It most often results from chemotherapy, radiation, leukemia, or bone marrow suppression. It matters because the patient can develop overwhelming infection with minimal warning signs, and fever may be the only indicator since the inflammatory response is blunted.

Key points to remember

  • The absolute neutrophil count (ANC) guides infection risk; an ANC below 500/mm3 is severe neutropenia.
  • Classic signs of infection (redness, pus, swelling) are diminished because neutrophils drive inflammation.
  • Fever is often the first and only sign of a serious infection.
  • The patient's own body flora and the GI tract are common infection sources.
  • Sepsis can develop rapidly and progress to septic shock.
  • Chemotherapy nadir (lowest count) typically occurs 7-14 days after treatment.

Nursing priorities

  1. Implement neutropenic (protective) precautions: strict hand hygiene, private room, and limited visitors.
  2. Avoid fresh flowers, standing water, and raw fruits/vegetables; serve a low-bacteria diet.
  3. Monitor temperature frequently and assess for subtle signs of infection.
  4. Avoid invasive procedures when possible: no rectal temps, suppositories, enemas, or indwelling catheters.
  5. Administer growth factors (filgrastim) and antibiotics promptly as prescribed.

Labs & values

Absolute neutrophil count (ANC) below1,500/mm3 = neutropenia; below 500/mm3 = severe
WBC (normal5,000-10,000/mm3) decreased

Patient teaching

  • Wash hands often, avoid crowds and sick people, and do not receive live vaccines or contact with recently vaccinated people.
  • Take temperature daily and call the provider immediately for a temperature of 100.4 F or higher.
  • Cook foods thoroughly, wash produce, avoid raw/undercooked foods, and practice good oral and skin hygiene.

Red flags: report now

  • Report a temperature of 100.4 F (38 C) or higher immediately; neutropenic fever is an emergency requiring prompt antibiotics.
  • Report any subtle change such as chills, malaise, new pain, or hypotension that may signal sepsis.
  • Never delay reporting infection signs waiting for classic redness or pus to appear.

References

Clinical references for this topic

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