# Situation: A 46-year-old woman had a modified radical mastectomy for breast cancer and is now receiving outpatient chemotherapy with doxorubicin and cyclophosphamide every 3 weeks. She lives with her husband and their 22-year-old daughter, who will help care for her at home. The daughter asks how to protect herself when helping her mother at home after each treatment. Which instruction should the nurse give?

> source: MyMerci (mymerci.kr)  
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> subject: Nursing Practice III — Care of Clients with Problems in Surgery, Oxygenation, Fluid and Electrolytes, Infectious, Inflammatory and Immunologic Response, Cellular Aberrations

## 문제

Situation: A 46-year-old woman had a modified radical mastectomy for breast cancer and is now receiving outpatient chemotherapy with doxorubicin and cyclophosphamide every 3 weeks. She lives with her husband and their 22-year-old daughter, who will help care for her at home.

The daughter asks how to protect herself when helping her mother at home after each treatment. Which instruction should the nurse give?

## 보기

1. Wear gloves for her urine, vomitus, or soiled linen for 48 hours **✔ 정답**
2. Use separate plates, cups, and spoons for her throughout treatment
3. Wash her soiled linen with the family laundry right away
4. Avoid hugging or kissing her for 48 hours after each dose

**정답: 1**

## 해설

Chemotherapy drugs are excreted in body fluids for at least 48 hours after each dose, longer for some drugs, as instructed, so caregivers wear gloves when handling urine, vomitus, stool, or linen soiled with them. Ordinary contact such as hugging and sharing dishes is safe, and soiled linen is washed separately.

## 심화 해설

Why body-fluid precautions are needed
Doxorubicin and cyclophosphamide are cytotoxic drugs. After each intravenous dose, the parent drug and active metabolites are eliminated through urine, stool, vomitus, sweat, and saliva. The highest-risk period for household exposure is the first 48 hours after treatment, although some drugs can be detected longer. A caregiver who touches contaminated body fluids or soiled linen without protection can absorb these agents through the skin or mucous membranes, so barrier precautions are the core of home safety teaching [1][2].

The daughter should wear disposable gloves whenever she handles her mother’s urine, vomitus, stool, or any linen or clothing soiled with these fluids for at least 48 hours after each chemotherapy dose. Gloves should be removed inside-out and discarded, followed by handwashing with soap and water. If splashing is possible, a disposable gown or apron and eye protection are also reasonable, but gloves are the minimum essential instruction for this situation [1].

Why the other options are incorrect

| Option | Why it is not the best instruction |
| --- | --- |
| 2. Use separate plates, cups, and spoons throughout treatment | Chemotherapy is not transmitted through saliva in amounts that make shared dishes unsafe. Routine washing of dishes with hot water and detergent is sufficient. Isolating tableware is unnecessary and can increase the patient’s sense of stigma. |
| 3. Wash soiled linen with the family laundry right away | Soiled linen should be washed separately from the family laundry, not mixed in. If it is heavily contaminated, it should be placed in a plastic bag first, then washed in hot water with detergent. Mixing it with family clothing spreads contamination. |
| 4. Avoid hugging or kissing for 48 hours after each dose | Ordinary skin-to-skin contact such as hugging, holding hands, or a brief kiss on the cheek is safe. The risk is from contact with body fluids, not from casual physical closeness. Restricting affection is not supported by evidence and harms emotional support. |

Applying this to the home setting
The daughter is the identified home caregiver, so teaching must be practical and specific. The nurse should explain that cytotoxic contamination is a contact hazard, not an airborne or casual-contact hazard. The key behaviors are glove use for body fluids, separate washing of soiled linen, and hand hygiene after any potential contact. The patient should also flush the toilet twice with the lid closed after use during the first 48 hours, and any spills of body fluids should be cleaned with detergent and disposable towels while wearing gloves [2].

Watch out! The 48-hour window is a minimum teaching point, not an absolute cutoff for every drug. Cyclophosphamide metabolites can be present in urine beyond 48 hours, so if the patient has incontinence or the caregiver must handle large volumes of body fluids, glove use should continue until the next treatment cycle begins or per the oncology team’s instruction [2].

Key point! The correct answer focuses on the mechanism of exposure: cytotoxic drugs leave the body through fluids, and the caregiver’s hands are the main route of uptake. Options that restrict ordinary contact or isolate the patient socially overstate the risk, while mixing soiled linen with family laundry understates it.References (research sources)

- [1]Health Effects of Ergonomics and Personal Protective Equipment on Chemotherapy Professionals.Research articleReis A, Silva V, Joaquim JJ, Valadares L, Matos C, Valeiro C, Mateos-Campos R, Moreira F. (2025) · DOI: 10.3390/curroncol32100563

- [2]Safe handling of oral antineoplastic medications: Focus on targeted therapeutics in the home setting.Research articleCass Y, Connor TH, Tabachnik A. (2017) · DOI: 10.1177/1078155216637217

## 임상 시나리오

Home Safety After Cytotoxic ChemotherapyProtecting caregivers from body fluid exposure
After each dose of doxorubicin and cyclophosphamide, the drugs and active metabolites are excreted in urine, stool, vomitus, and other body fluids for at least 48 hours. Caregivers must wear disposable gloves when handling these fluids or any soiled linen.

Remove gloves inside-out and discard them, then wash hands with soap and water. If splashing is possible, add a disposable gown or apron and eye protection.

Ordinary contact such as hugging, kissing, and sharing dishes is safe. Soiled linen should be washed separately from family laundry, not together.

CautionSome drugs may be detected in body fluids longer than 48 hours; follow the oncology team's specific instructions. Skin or mucous membrane contact with contaminated fluids can cause absorption of cytotoxic agents.

## 핵심 개념

- **Cytotoxic precautions** — Measures to prevent exposure to chemotherapy drugs excreted in body fluids for at least 48 hours after treatment
- **Doxorubicin** — An anthracycline chemotherapy agent that is excreted in urine, stool, and other body fluids
- **Cyclophosphamide** — An alkylating chemotherapy agent with active metabolites eliminated through body fluids
- **Barrier precautions** — Use of gloves and other protective equipment when handling contaminated body fluids or linen
- **Modified radical mastectomy** — Surgical removal of breast tissue, nipple-areola complex, and axillary lymph nodes for breast cancer

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