Skip to main content
Vincristine

Vincristine Side Effects

Julia Lee, PharmD, BCOPCydnee Ng, PharmD
Reviewed by Julia Lee, PharmD, BCOP, Cydnee Ng, PharmD
Last reviewed on September 2, 2025

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Nerve pain
  • Numbness or tingling in the fingers or toes (peripheral neuropathy)
  • Feeling very weak
  • Constipation
  • Nausea
  • Vomiting
  • Diarrhea
  • Stomach pain or cramps
  • Hair loss
  • Trouble walking or moving
  • Problems with urination

Less Common Side Effects

  • Pain or redness at the infusion site
  • Feeling dizzy
  • Lower appetite
  • Mouth sores
  • Jaw or throat pain
  • Bone or muscle pain
  • Headache
  • Trouble balancing
  • Rash
  • Changes in blood pressure
  • Low red blood cell counts (anemia)
  • Low white blood cell counts
  • Low platelets

Vincristine serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Problems with the digestive system: severe constipation, stomach pain, can’t pass gas, bloating, fever, chills
  • Problems with the nervous system: numbness, tingling, or pain in the fingers or toes; vision, movement, balance, or hearing problems; confusion
  • Lung problems: sudden or worsening cough, having trouble catching your breath, fast breathing
  • Liver problems: pain in the upper right side of your stomach, yellow skin or eyes
When do Vincristine possible side effects begin and end?
Time passed since treatment started:
H
D
W
M
Hair loss
Numbness, tingling, or pain in fingers or toes
Risk of constipation
If a line continues to the right, you'll likely keep experiencing this side effect once it starts.

Source: DailyMed

The following Vincristine side effects have also been reported

Along with their needed effects, medicines like vincristine can sometimes cause unwanted effects such as blood problems, nervous system problems, loss of hair, 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. Discuss these possible effects with your doctor.

Check with your doctor immediately if any of the following side effects occur:

Less common

Pain or redness at place of injection

Rare

Black, tarry stools

blood in urine or stools

cough or hoarseness

fever or chills

pinpoint red spots on skin

unusual bleeding or bruising

Check with your doctor as soon as possible if any of the following side effects occur:

More common

Blurred or double vision

constipation

difficulty in walking

drooping eyelids

headache

jaw pain

joint pain

lower back or side pain

numbness or tingling in fingers and toes

pain in fingers and toes

pain in testicles

stomach cramps

swelling of feet or lower legs

weakness

Less common

Agitation

bed-wetting

confusion

convulsions (seizures)

decrease or increase in urination

dizziness or lightheadedness when getting up from a lying or sitting position

hallucinations (seeing, hearing, or feeling things that are not there)

lack of sweating

loss of appetite

mental depression

painful or difficult urination

trouble in sleeping

unconsciousness

Rare

Sores in mouth and on lips

Some side effects 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:

Less common

Bloating

diarrhea

loss of weight

nausea and vomiting

skin rash

Other side effects may occur that usually do not need medical attention. This medicine often causes a temporary loss of hair. After treatment with vincristine has ended, or sometimes even during treatment, normal hair growth should return.

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

GoodRx icon

Other Vinca Alkaloids side effects articles

why trust our exports reliability shield

Why trust our experts?

Julia is a clinical hematology/oncology pharmacist working in the San Francisco Bay Area. She has 3 years of experience as a practicing pharmacist at academic medical centers, with 2 years at National Comprehensive Cancer Network member hospitals.
Cydnee Ng, PharmD
Reviewed by:
Cydnee Ng, PharmD
Cydnee Ng, PharmD, is a drug information pharmacist at GoodRx, where she lends her expertise to providing reader-friendly, accessible content about medications. She holds her pharmacist license in California.

Was this page helpful?