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
- Lower blood cell counts (up to 92%)
- Fever (76%)
- Cytokine release syndrome (72%)
- Low protein (albumin) levels in blood (68%)
- Muscle pain (44%)
- Higher liver enzymes in blood (up to 42%)
- Electrolyte changes in blood (up to 38%)
- Skin reaction around injection site (37%)
- Tiredness (33%)
- Respiratory infections (up to 26%)
- Nausea (25%)
- Headache (25%)
- Diarrhea (21%)
Less Common Side Effects
- Bone pain
- Chills
- Constipation
- Vomiting
- Numbness and tingling
- Changes in blood pressure
- Lower appetite
- Movement problems
Tecvayli serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Cytokine release syndrome: Fever, trouble breathing, chills, low blood pressure, changes in heart rhythm, headache
- Serious nervous system problems: headache, confusion, difficulty speaking, difficulty writing, seizures
- Serious liver problems: yellow skin, yellow eyes, swelling in the belly
- Serious infection: fever, cough, weakness, tiredness, body aches, chills, painful rash, blisters, stomach pain
Source: DailyMed
The following Tecvayli 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
- Infection—fever, chills, cough, sore throat, wounds that don't heal, pain or trouble when passing urine, general feeling of discomfort or being unwell
- Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
- Low red blood cell level—unusual weakness or fatigue, dizziness, headache, trouble breathing
- Pain, tingling, or numbness in the hands or feet, muscle weakness, headache, change in vision, confusion or trouble speaking, dizziness, loss of balance or coordination, trouble walking, tremors or shaking, 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
- Muscle pain
- Nausea
- Pain, redness, or irritation at injection site
