Breast cancer treatments can cause a wide range of side effects, and everyone's experience is different. Your age, overall health, and genetic background all play a role in what you might face. Here's a breakdown by treatment type:
Chemotherapy
- Hair loss, fatigue, nausea, and vomiting
- Mouth sores, metallic taste, loss Show Full Answer
Breast cancer treatments can cause a wide range of side effects, and everyone's experience is different. Your age, overall health, and genetic background all play a role in what you might face. Here's a breakdown by treatment type:
Chemotherapy
- Hair loss, fatigue, nausea, and vomiting
- Mouth sores, metallic taste, loss of appetite
- Bone or joint pain, muscle pain
- Nerve pain or numbness (neuropathy)
- Increased risk of infection
- "Chemo brain" (difficulty concentrating or remembering)
Surgery
- Nerve pain and muscle pain
- Lymphedema (swelling from fluid buildup)
- Skin irritation or infections
- Phantom breast pains
Radiation Therapy
- Skin dryness or rashes
- Fatigue and breast soreness
- Muscle pain or neuropathy
Hormone Therapy
- Blood clots, headaches, infections
- Muscle or joint pain
- Bone or abdominal pain
Targeted Therapy
- High blood pressure, swelling
- Heart damage, vision problems
- Autoimmune reactions, bleeding or clotting issues Some side effects are short-term and resolve after treatment ends. Others can be long-term or even permanent, including:
- Ongoing fatigue
- Early menopause and infertility (in younger women)
- Heart or lung damage
- Lymphedema
- Bone thinning (osteoporosis)
- Depression or anxiety
- Sleep problems
As one MyBCTeam member wisely put it: "Don't worry yourself over side effects that haven't happened and may not happen. Deep breaths, listen to your body. If any issues arise, tell your oncologist."
Keeping open communication with your care team is really important — they can help monitor symptoms and adjust your plan as needed.
July 9
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