Melphalan Side Effects

Not all side effects for melphalan may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to melphalan: oral tablet

Along with their needed effects, medicines like melphalan can sometimes cause unwanted effects such as blood problems and other side effects. These and others are described below. Also, because of the way these medicines act on the body, there is a chance that they might cause other unwanted effects that may not occur until months or years after the medicine is used. These delayed effects may include certain types of cancer, such as leukemia. Discuss these possible effects with your doctor.

In addition to its needed effects, some unwanted effects may be caused by melphalan. In the event that any of these side effects do occur, they may require medical attention.

You should check with your doctor immediately if any of these side effects occur when taking melphalan:

Less common
  • Black, tarry stools
  • blood in urine or stools
  • cough or hoarseness, accompanied by fever or chills
  • fast or irregular heart beat
  • fever or chills
  • lower back or side pain, accompanied by fever or chills
  • painful or difficult urination, accompanied by fever or chills
  • pinpoint red spots on skin
  • shortness of breath
  • skin rash or itching (sudden)
  • troubled breathing
  • unusual bleeding or bruising
Rare
  • Diarrhea
  • difficulty swallowing
  • joint pain
  • redness and/or soreness in arm or leg
  • sores in the mouth and on the lips
  • swelling of the feet or lower legs

Some of the side effects that can occur with melphalan may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

Less common
  • Nausea and vomiting

For Healthcare Professionals

Applies to melphalan: intravenous powder for injection, oral tablet

Hematologic

Hematologic side effects including bone marrow suppression and anemia have been reported. Bone marrow suppression is the most common and the most significant toxicity associated with melphalan in most patients. Hemolytic anemia has also been reported.

Bone marrow suppression is usually reversible if melphalan is withdrawn early enough.

Oncologic

The risk of leukemogenesis increases with chronicity of treatment and with cumulative dose.

Oncologic side effects including secondary malignancies such as acute nonlymphocytic leukemia, myeloproliferative syndrome, and carcinoma have been reported. Melphalan has been reported to cause chromatid or chromosome damage in humans.

Genitourinary

Genitourinary side effects including the suppression of ovarian function in premenopausal women and both reversible and irreversible testicular suppression have been reported.

The suppression of ovarian function in premenopausal women has been reported to result in amenorrhea in a significant number of patients.

Respiratory

Fatal outcomes associated with pulmonary fibrosis have been reported.

Respiratory side effects including pulmonary fibrosis and interstitial pneumonitis have been reported.

Dermatologic

Dermatologic side effects including , maculopapular rashes, skin rashes, alopecia, and skin hypersensitivity have been reported.

Cardiovascular

Cardiovascular side effects including cardiac arrest and vasculitis have been reported.

Gastrointestinal

Gastrointestinal side effects including nausea and vomiting, diarrhea, and oral ulceration have been reported infrequently.

Hepatic

Hepatic side effects including toxicity have been reported rarely.

Hypersensitivity

Hypersensitivity side effects including anaphylaxis have been reported rarely.

Hypersensitivity reactions have been reported after multiple courses of treatment and have recurred in patients who previously experienced a hypersensitivity reaction.

Endocrine

Endocrine side effects including two cases of syndrome of inappropriate antidiuretic hormone secretion have been reported following high-dose intravenous melphalan.

Other

Other side effects including a sensation of warmth and/or tingling have been reported.

Renal

Renal side effects including temporary significant elevation of the blood urea have been seen in the early stages of therapy in patients with renal damage.

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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