Ibritumomab Side Effects

Some side effects of ibritumomab may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to ibritumomab: intravenous solution

Along with its needed effects, ibritumomab 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 while taking ibritumomab:

More common
  • Black, tarry stools
  • bleeding gums
  • blood in the urine or stools
  • cough or hoarseness
  • coughing up blood
  • difficulty with breathing or swallowing
  • dizziness
  • fever or chills
  • headache
  • increased menstrual flow or vaginal bleeding
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • lower back or side pain
  • noisy breathing
  • nosebleeds
  • painful or difficult urination
  • pale skin
  • paralysis
  • pinpoint red spots on the skin
  • prolonged bleeding from cuts
  • red or dark brown urine
  • red stools
  • shortness of breath
  • sore throat
  • sores, ulcers, or white spots on the lips or in the mouth
  • swollen glands
  • tightness in the chest
  • troubled breathing with exertion
  • unusual bleeding or bruising
  • unusual tiredness or weakness
  • wheezing
Less common
  • Bloody nose that does not stop after pinching the nose together and holding it for 5 to 10 minutes
  • bluish lips or skin
  • chest pain or discomfort
  • confusion
  • diarrhea
  • fainting
  • fast heartbeat
  • hives
  • itching
  • lightheadedness
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • rapid, shallow breathing
  • skin rash
  • small red or purple spots on the skin
  • unusual vaginal bleeding
  • vomiting blood or material that looks like coffee grounds
Rare
  • Agitation
  • anxiety
  • back pain
  • bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, or warmth at the injection site
  • blurred vision
  • coma
  • drowsiness
  • fast, pounding, or irregular heartbeat or pulse
  • hallucinations
  • inability to speak
  • irritability
  • mood or mental changes
  • nausea
  • redness of the skin
  • seizures
  • severe headache
  • slurred speech
  • stiff neck
  • temporary blindness
  • vomiting
  • weakness in the arm or leg on one side of the body, sudden and severe
  • welts
Incidence not known
  • Blistering, peeling, or loosening of the skin
  • cracks in the skin
  • joint or muscle pain
  • loss of heat from the body
  • red skin lesions, often with a purple center
  • red, irritated eyes
  • red, swollen skin
  • scaly skin
  • skin blisters

Some side effects of ibritumomab 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:

More common
  • Abdominal or stomach pain
  • bruising
  • constipation
  • difficult or labored breathing
  • difficulty with moving
  • faintness or lightheadedness when getting up from a lying or sitting position
  • fear
  • feeling of warmth
  • full or bloated feeling or pressure in the stomach
  • joint pain
  • lack or loss of strength
  • large, flat, blue or purplish patches in the skin
  • loss of appetite
  • muscle aching or cramping
  • muscle pain or stiffness
  • nervousness
  • pain
  • rash
  • redness of the face, neck, arms and occasionally, upper chest
  • runny nose
  • sleeplessness
  • sneezing
  • stuffy nose
  • sudden or increased sweating
  • swelling of the abdominal or stomach area
  • swelling of the hands, ankles, feet, or lower legs
  • swollen joints
  • throat irritation
  • trouble with sleeping
  • unable to sleep
  • weight loss
Less common
  • Acid or sour stomach
  • belching
  • heartburn
  • indigestion
  • stomach discomfort, upset, or pain
  • swelling or redness in the joints

For several months after receiving this therapy, it may still produce some side effects that need attention. During this period of time check with your doctor immediately if you notice any of the following:

  • Bleeding gums
  • bone pain
  • headache, sudden and severe
  • inability to speak
  • increased menstrual flow or vaginal bleeding
  • red or black, tarry stools
  • red or dark brown urine
  • temporary blindness

For Healthcare Professionals

Applies to ibritumomab: intravenous kit

Cardiovascular

Common (1% to 10%): Hypertension

Dermatologic

Common (1% to 10%): Night sweats, petechiae, pruritus, rash
Postmarketing reports: Erythema multiforme, Stevens-Johnson syndrome, toxic epidermal necrolysis, bullous dermatitis, exfoliative dermatitis

Gastrointestinal

Very common (10% or more): Nausea, abdominal pain, diarrhea

Genitourinary

Common (1% to 10%): Urinary tract infection

Hematologic

Very common (10% or more): Thrombocytopenia, neutropenia, anemia, leukopenia, lymphopenia
Common (1% to 10%): Ecchymosis
Frequency not reported: Cytopenias

Local

Postmarketing reports: Infusion site erythema, ulceration following extravasation

Metabolic

Common (1% to 10%): Anorexia

Musculoskeletal

Very common (10% or more): Myalgia

Nervous system

Common (1% to 10%): Dizziness

Oncologic

Frequency not reported: Secondary malignancy

Other

Very common (10% or more): Fatigue, asthenia, pyrexia, serious and life threatening infections
Common (1% to 10%): Influenza-like illness
Uncommon (0.1% to 1%): Antibody formation
Postmarketing reports: Radiation injury

Respiratory

Very common (10% or more): Nasopharyngitis, cough
Common (1% to 10%): Pharyngolaryngeal pain, epistaxis, bronchitis, rhinitis, sinusitis

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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