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FOR PATIENTS · SOURCE READING

Side effects of chemotherapy

Source: Chemotherapy for Breast Cancer, National Cancer Institute.

Source updated: Not stated in this source · Captured 2026-09-09.

Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.

NCI patient treatment article for this disease Exact source article; not a clinically reviewed indication or current-standard recommendation.

Context: Chemotherapy for Breast Cancer

Side effects of chemotherapy

The most common side effect of chemotherapy is fatigue, which is feeling exhausted or extremely tired. Other side effects may include hair loss, mouth sores, and nausea. Learn more about the side effects of cancer treatment and the steps you can take to manage or prevent them.

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Preserved source evidence · Independent clinical review pending · Not medical advice