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
- Low blood cell counts (up to 82%)
- Fatigue (54%)
- Hair loss (45%)
- Feeling numbness or tingling (35%)
- Nausea (35%)
- Constipation (25%)
Less Common Side Effects
- Muscle, bone, or joint pain
- Fever
- Not feeling hungry
- Weight loss
Note: Side effect data are collected from studies with people who took this medication for metastatic breast cancer. Your side effect experience might differ depending on your cancer and specific treatment plan.
Halaven serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Infections (as a result of having low white blood cell counts): fever, chills, cough, pain or burning when urinating
- Abnormal heart rhythms: new pounding or fluttering heartbeat, lightheadedness, dizziness, chest pain
Source: DailyMed
The following Halaven side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
- Infection—fever, chills, cough, sore throat, wounds that don't heal, pain or trouble when passing urine, general feeling of discomfort or being unwell
- Pain, tingling, or numbness in the hands or feet
- Unusual bruising or bleeding
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Constipation
- Fatigue
- Hair loss
- Headache
- Nausea
- Stomach pain
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