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Side effects of immunotherapy
Source: Immunotherapy 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: Immunotherapy for Breast Cancer
The most common side effects of immunotherapy are rash, diarrhea, and fatigue, which is feeling exhausted or extremely tired. Learn more about the side effects of immunotherapy and steps you can take to manage or prevent them.
Source links and citations
Preserved source evidence · Independent clinical review pending · Not medical advice