Reviewed on 1/28/2022

Brand Name: N/A

Generic Name: Vincristine

Drug Class: Antineoplastics, Vinca Alkaloid

What Is Vincristine and How Does It Work?

Vincristine is a prescription medication used to treat Acute Leukemia and used in Combination Therapy for certain cancers. 

  • Vincristine is available under the following different brand names:

What Are Dosages of Vincristine?

Adult and pediatric dosage

Injectable solution

  • 1mg/mL

Acute Leukemia

Adult dosage

  • 1.4 mg/m2 IV once weekly

Pediatric dosage

  • 2 mg/m2 IV once weekly
  • Children weighing less than 10 kg: 0.05 mg/kg dose IV once weekly
  • Children weighing 10 kgs or over: 1.5-2 mg/m2/dose

Combination Therapy

Adult dosage

Dosage Considerations – Should be Given as Follows: 

  • See “Dosages”.

What Are Side Effects Associated with Using Vincristine?

Common side effects of Vincristine include:

Serious side effects of Vincristine include:

Rare side effects of Vincristine include:

  • none 
This is not a complete list of side effects and other serious side effects or health problems may occur as a result of the use of this drug. Call your doctor for medical advice about serious side effects or adverse reactions. You may report side effects or health problems to FDA at 1-800-FDA-1088.


What is leukemia? See Answer

What Other Drugs Interact with Vincristine?

If your medical doctor is using this medicine to treat your pain, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider, or pharmacist first

  • Vincristine has severe interactions with no other drugs.
  • Vincristine has serious interactions with at least 29 other drugs. 
  • Vincristine has moderate interactions with at least 98 other drugs. 
  • Vincristine has minor interactions with at least 58 other drugs.

This information does not contain all possible interactions or adverse effects. Visit the RxList Drug Interaction Checker for any drug interactions. Therefore, before using this drug, tell your doctor or pharmacist of all the drugs you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist. Check with your physician if you have health questions or concerns.

What Are Warnings and Precautions for Vincristine?


  • Hypersensitivity
  • Charcot-Marie-Tooth syndrome (demyelinating form), intrathecal (IT) administration

Effects of drug abuse

  • None

Short-Term Effects

  • See “What Are Side Effects Associated with Using Vincristine?”

Long-Term Effects

  • See “What Are Side Effects Associated with Using Vincristine?”


Preparation in IV infusion bag only

  • On January 15, 2021, FDA alerted that vinca alkaloids should be prepared in IV infusion bags only
  • Intrathecal (IT) administration will result in severe neurological injury and/or death
  • The label update is to reduce the potential for unintended IT administration

Pregnancy and Lactation

  • Use in LIFE-THREATENING emergencies when no safer drug is available during pregnancy.
  • Lactation: Not known if excreted in breast milk, do not nurse.
Medscape. Vincristine.

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