The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
Early breast cancer
- Lower white blood cell counts (up to 97%)
- Lower red blood cell counts (47%)
- Higher liver enzymes (up to 45%)
- Infections (37%)
- Higher creatinine levels (33%)
- Lower platelets (28%)
- Headache (23%)
- Nausea (23%)
- Tiredness (22%)
Advanced or metastatic breast cancer
- Lower white blood cell counts (up to 94%)
- Lower red blood cell counts (72%)
- Higher liver enzymes (up to 53%)
- Infections (46%)
- Nausea (46%)
- Tiredness (36%)
- Lower platelets (34%)
- Diarrhea (33%)
- Headache (29%)
- Hair loss (29%)
- Vomiting (29%)
- Back pain (25%)
- Constipation (25%)
- Cough (24%)
- Rash (22%)
- Higher creatinine levels (20%)
- Stomach pain (20%)
Less Common Side Effects
Early breast cancer
- Stomach pain
- Feeling weak
- Fever
- Hair loss
- Cough
- Rash
- Dizziness
- Vomiting
- Swelling in the arms and legs
- Itchiness
- Shortness of breath
- Mouth sores
Advanced or metastatic breast cancer
- Mouth sores
- Stomach pain
- Fever
- Swelling in the arms and legs
- Itchiness
- Trouble sleeping
- Reduced appetite
- Shortness of breath
- Urinary tract infection (UTI)
Kisqali/Femara serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Lung problems: cough, trouble breathing, shortness of breath, chest pain
- Severe skin reactions: severe rash, skin peeling, skin burning, blisters, flu-like symptoms, fever
- Heart rhythm problems: dizziness, fainting, fast or irregular heartbeat
- Liver problems: yellowing of the skin or eyes, stomach pain, dark urine, tiredness, reduced appetite, bleeding or bruising more easily
- Serious Infections: fever, chills, sore throat, tiredness, no energy, nasal congestion
Source: DailyMed
