dactinomycin 0.5 mg intravenous solution

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Medication name

Generic name:
Dactinomycin - injection

Pronunciation
(dack-tin-oh-MY-sin)

Brand name(s)
Cosmegen

Uses

Dactinomycin is used to treat cancer. It works by slowing or stopping the growth of cancer cells.

How to use

This medication is given by injection into a vein over 10 to 15 minutes by a health care professional as directed by your doctor, usually once daily for 1 to 5 days. If this medication accidentally leaks into surrounding tissue when being given, the skin and/or muscle may be severely damaged. Tell your doctor or nurse right away if you have pain, burning, redness, blistering, or irritation at the injection site.

Dosage is based on your medical condition, weight, body size, and response to treatment. Your doctor will order lab tests to make sure you can receive your next dose. Keep all medical/lab appointments.

Since this drug can be absorbed through the skin and lungs, women who are pregnant or who may become pregnant should not handle this medication or breathe the dust from the powder.

Side effects

See also How to Use section.

Nausea, vomiting, or diarrhea may occur. Nausea and vomiting can be severe. In some cases, your doctor may prescribe medication to prevent or relieve nausea and vomiting. Eating several small meals, not eating before treatment, or limiting activity may help lessen some of these effects. If these effects last or get worse, tell your doctor or pharmacist promptly.

Temporary hair loss is another common side effect. Normal hair growth should return after treatment has ended.

Many people using this medication may have serious side effects. However, you have been prescribed this drug because your doctor has judged that the benefit to you is greater than the risk of side effects. Careful monitoring by your doctor may decrease your risk. Serious side effects may not happen until days to weeks after your treatment.

Pain/sores in the mouth and throat may occur. Brush your teeth gently/carefully, avoid using mouthwash that contains alcohol, and rinse your mouth often with cool water mixed with baking soda or salt. It may also be best to eat soft, moist foods. Tell your doctor right away if these effects last or get worse or if you have trouble swallowing.

Tell your doctor right away if you have any serious side effects, including:

  • unusual weight gain
  • signs of liver problems (nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine)
  • signs of kidney problems (such as change in the amount of urine, painful/difficult urination, red/pinkish urine)

This medication decreases bone marrow function, an effect that may lead to a low number of blood cells such as red cells, white cells, and platelets. This effect can cause anemia, decrease your body's ability to fight an infection, or cause easy bruising/bleeding. Tell your doctor right away if you develop any of the following unlikely symptoms:

  • unusual tiredness
  • pale skin
  • signs of infection (such as sore throat that doesn't go away, fever, chills)
  • easy bruising/bleeding

Dactinomycin may increase the risk of other cancers (such as leukemia). Consult your doctor for more details.

When dactinomycin is given after radiation treatment, it can sometimes cause a serious skin reaction that looks likes a severe sunburn (radiation recall). The reaction usually develops within days to months after treatment on the skin area previously treated with radiation. Throat problems can also be part of radiation recall with dactinomycin. Tell your doctor right away if you develop skin redness/tenderness/swelling/peeling/blisters or painful/difficult swallowing. If you develop a skin reaction, avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Precautions

Before using dactinomycin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

  • current/recent infection (such as herpes, chickenpox)
  • liver problems
  • kidney problems
  • blood disorders (such as anemia, clotting problems)
  • previous chemotherapy/radiation treatment

Do not have immunizations/vaccinations without the consent of your doctor, and avoid contact with people who have recently received oral polio vaccine or flu vaccine inhaled through the nose.

Dactinomycin can make you more likely to get infections or may make current infections worse. Stay away from anyone who has an infection that may easily spread (such as chickenpox, COVID-19, measles, flu). Talk to your doctor if you have been exposed to an infection or for more details.

To lower your chance of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using dactinomycin. Dactinomycin may harm an unborn baby. Women using this medication should ask about reliable forms of birth control during treatment and for 6 months after the last dose. Men using this medication should ask about reliable forms of birth control during treatment and for 3 months after the last dose. If you or your partner becomes pregnant, talk to your doctor right away about the risks and benefits of this medication.

It is unknown if this medication passes into breast milk. Because of the possible risk to the infant, breastfeeding is not recommended while using this medication and for 14 days after the last dose. Consult your doctor before breastfeeding.

Drug interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

This medication may interfere with certain lab tests (such as antibiotic drug levels), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.

Overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669.

Notes

Lab and/or medical tests (such as complete blood count, liver/kidney function) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.

Missed dose

It is important to get each dose of this medication as scheduled. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule.

Storage

Not applicable. This medication is given in a clinic and will not be stored at home.

Medical alert

Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-888-633-4298 (US) or 1-800-668-1507 (Canada).

Important note

HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

Information last revised May 2024.

Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019. This copyrighted material has been downloaded from a licensed data provider.

The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional. You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment.