FAQs
What is the most common side effect of immunotherapy for breast cancer?
The most frequently reported symptom is fatigue, affecting roughly 40‑60% of patients.
When do side effects usually start after beginning treatment?
Most mild effects like fatigue, rash, and thyroid changes appear within the first few weeks, while more serious immune‑related events may emerge after 4‑12 weeks.
How can I manage a skin rash caused by immunotherapy?
Use fragrance‑free moisturizers, antihistamines such as cetirizine, and follow any low‑dose steroid regimen your oncologist prescribes.
What are the red‑flag signs that require immediate medical attention?
High fever > 38 °C lasting over 24 h, persistent shortness of breath, severe diarrhea (≥ 4 stools/day), yellowing of skin or eyes, and sudden severe joint or muscle pain.
Can immunotherapy cure stage 4 breast cancer?
While not a guaranteed cure, immunotherapy can lead to long‑term remission in some patients, especially when combined with other therapies.
