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
The following side effects happened in people who took [[EDITOR|DRUG_DISPLAY_NAME]] together with Herceptin (trastuzumab) with or without chemotherapy. Some side effects (e.g., mouth sores, hair loss) might be related more to the chemotherapy treatment than [[EDITOR|DRUG_DISPLAY_NAME]].
- Diarrhea (up to 72%)
- Nausea (up to 71%)
- Hair loss (up to 67%)
- Fatigue (up to 58%)
- Nerve problems in hands or feet (tingling or numbing sensation; up to 42%)
- Weakness or lack of energy (up to 41%)
- Vomiting (up to 40%)
- Constipation (up to 38%)
- Anemia (up to 38%)
- Mucosal inflammation (mouth sores, mouth or gut inflammation; up to 37%)
- Rash (up to 34%)
- Muscle pain (up to 33%)
- Headache (up to 30%)
Less Common Side Effects
- Lower appetite
- Changes in how things taste
- Indigestion
- Cough
- Nose bleed
- Dry skin
- Fever
- Dizziness
- Joint pain
- Swelling of the arms and legs
- Changes in the appearance of your nails
- Trouble sleeping
Perjeta serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Infusion-related or allergic reactions: fever, chills, dizziness, nausea, headache, sweating, rash, swelling of the face or throat, trouble breathing
- Heart problems: shortness of breath; dry cough; swelling of legs, arms, or face; irregular heartbeats; dizziness; sudden weight gain
Source: DailyMed
The following Perjeta side effects have also been reported
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur:
More common
Black, tarry stools
burning, numbness, tingling, or painful sensations
chills
fast heartbeat
hoarseness
joint pain, stiffness, or swelling
lower back or side pain
painful or difficult urination
pale skin
redness of the skin
swelling of the eyelids, face, lips, hands, or feet
tightness in the chest
troubled breathing or swallowing
ulcers, sores, or white spots in the mouth
unsteadiness or awkwardness
unusual bleeding or bruising
unusual tiredness or weakness
weakness in the arms, hands, legs, or feet
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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