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 99%)
- Fever (up to 96%)
- Cytokine release syndrome (up to 92%)
- Lower blood pressure (up to 69%)
- Faster heartbeat (up to 63%)
- Confusion, poor memory, and other symptoms of encephalopathy (63%)
- Tiredness (up to 48%)
- Blood electrolyte changes (up to 47%)
- Infection (43%)
- Chills (up to 41%)
- Nausea (41%)
- Fast breathing, dizziness, and other symptoms of low oxygen levels (40%)
- Tremor (up to 38%)
- Cough (38%)
- Headache (up to 38%)
- Muscle pain (up to 37%)
- Swelling (up to 35%)
Less Common Side Effects
- Diarrhea
- Constipation
- Lower appetite
- Vomiting
- Trouble breathing
- Rash
- Trouble communicating
- Trouble sleeping
Tecartus serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Cytokine release syndrome: Fever, trouble breathing, dizziness, chills, low blood pressure, fast heartbeat, headache, tiredness
- Serious nervous system problems: headache, confusion, changes in personality, depression, difficulty speaking, difficulty writing, weakness in the arms and legs, tingling in the hands and feet, tremor, slower movement, seizures
- Serious infections: fever, body aches, fast heartbeat, chills
- Bleeding (from low platelets): nosebleeds, blood in urine, blood in stool, unexplained bruising
Source: DailyMed
The following Tecartus 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
- Fever, chills, unusual weakness or fatigue, loss of appetite, nausea, headache, dizziness, feeling faint or lightheaded, shortness of breath, fast or irregular heartbeat, which may be signs of cytokine release syndrome
- Fever, rash, swollen lymph nodes, confusion, trouble walking, loss of balance or coordination, seizures
- Infection—fever, chills, cough, sore throat, wounds that don't heal, pain or trouble when passing urine, general feeling of discomfort or being unwell
- Low red blood cell level—unusual weakness or fatigue, dizziness, headache, trouble breathing
- Pain, tingling, or numbness in the hands or feet, muscle weakness, change in vision, confusion or trouble speaking, loss of balance or coordination, trouble walking, seizures
- 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):
- Diarrhea
- Fatigue
- Headache
- Loss of appetite
- Muscle pain
- Nausea
- Swelling of the ankles, hands, or feet
