Temodar Side Effects

Generic Name: temozolomide

Note: This document contains side effect information about temozolomide. Some of the dosage forms listed on this page may not apply to the brand name Temodar.

Some side effects of Temodar 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 temozolomide: oral capsule

Along with its needed effects, temozolomide (the active ingredient contained in Temodar) 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 immediately if any of the following side effects occur while taking temozolomide:

Less common or rare
  • Amnesia
  • black, tarry stools
  • blood in the urine or stools
  • convulsions (seizures)
  • cough or hoarseness
  • fever or chills
  • infection
  • lower back or side pain
  • muscle weakness or paralysis on one or both sides of the body
  • painful or difficult urination
  • pinpoint red spots on the skin
  • swelling of the feet or lower legs
  • unusual bleeding or bruising
Incidence not known
  • Blistering, peeling, or loosening of the skin
  • chest pain
  • cough
  • difficulty swallowing
  • dizziness
  • fast heartbeat
  • fever or chills
  • hives
  • itching
  • joint or muscle pain
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • shortness of breath
  • skin rash
  • sneezing
  • sore throat
  • tightness in the chest
  • troubled breathing
  • unusual tiredness or weakness
  • wheezing

Some side effects of temozolomide 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
  • Constipation
  • headache
  • nausea and vomiting
  • unusual tiredness or weakness
Less common or rare
  • Abdominal or stomach pain
  • anxiety
  • blurred or double vision
  • breast pain (in females)
  • burning or prickling feeling on the skin
  • confusion
  • diarrhea
  • difficulty with speaking
  • dizziness
  • drowsiness
  • loss of appetite
  • loss of muscle coordination
  • mental depression
  • muscle pain
  • runny or stuffy nose
  • skin rash or itching
  • sore throat
  • trouble with sleeping
  • unusual weight gain
  • urinary incontinence or increased urge to urinate

For Healthcare Professionals

Applies to temozolomide: intravenous powder for injection, oral capsule

Gastrointestinal

Gastrointestinal effects including nausea (53%), vomiting (42%), constipation (33%), diarrhea (16%), abdominal pain (9%), and anorexia (9%) have been reported.

General

General effects including headache (41%), fatigue (34%), asthenia (13%), fever (13%), and back pain (8%) have been reported.

Nervous system

Nervous system effects including convulsions (23%), hemiparesis (18%), dizziness (12%), abnormal coordination (11%) amnesia (10%), insomnia (10%), paresthesia (9%), somnolence (9%), paresis (8%), urinary incontinence (8%), ataxia (8%), dysphasia (7%), local convulsions (6%), abnormal gait (6%), and confusion (5%) have been reported.

Cardiovascular

Cardiovascular effects including peripheral edema (11%) have been reported.

Other

Other effects including viral infection (11%) have been reported.

Endocrine

Endocrine effects including adrenal hypercorticism (8%) have been reported.

Genitourinary

Genitourinary effects including urinary tract infection (8%), increased frequency of micturition (6%) and female breast pain (6%) have been reported.

Respiratory

Respiratory effects including upper respiratory tract infection (8%), pharyngitis (8%), sinusitis (6%), and coughing (5%) have been reported. Cases of interstitial pneumonitis/pneumonitis, alveolitis, and pulmonary fibrosis have been reported.

Dermatologic

Dermatologic effects including rash (8%) and pruritus (8%) have been reported.

A case of diffuse erythematous skin rash that progressed to an extensive full body desquamative skin rash has been reported. Even though temozolomide was permanently discontinued, the patient continued to experience the rash on a long-term basis with periodic exacerbations.

Psychiatric

Psychiatric effects including anxiety (7%) and depression (6%) have been reported.

Metabolic

Metabolic effects including weight gain (5%) have been reported.

Musculoskeletal

Musculoskeletal effects including myalgia (5%) have been reported.

Ocular

Ocular effects including diplopia (5%) and abnormal vision (5%) have been reported.

Immunologic

Immunologic side effects including rare cases of opportunistic infections such as Pneumocystis carinii pneumonia have been reported.

Oncologic

Oncologic side effects such as very rare cases of myelodysplastic syndrome and secondary malignancies, including leukemia and newly diagnosed glioblastoma multiforme have been reported.

Hematologic

Hematologic side effects have been reported very rarely including prolonged pancytopenia (which may result in aplastic anemia).

Hepatic

Postmarketing hepatic side effects have included elevated liver enzymes, hyperbillirubinemia, cholestasis, and hepatitis.

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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