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Vincristine Side Effects

Medically reviewed by Last updated on Aug 26, 2023.

Applies to vincristine: intravenous solution.


Intravenous route (Solution)

For intravenous use only; fatal if given by other routes. To reduce the potential for fatal medication errors due to incorrect route of administration proper dilution, product labeling and packaging is necessary. Intravenous needle or catheter must be properly positioned before any vinCRIStine is injected, as leakage into the surrounding tissue may cause considerable irritation. If extravasation occurs, the injection should be discontinued immediately, and any remaining portion of the dose should then be introduced into another vein. Local injection of hyaluronidase and the application of moderate heat to the area of leakage help disperse the drug and are thought to minimize discomfort and the possibility of cellulitis.

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 while taking vincristine:

Less common


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

More common

Less common


Other side effects of Vincristine

Some side effects of vincristine 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

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.

For Healthcare Professionals

Applies to vincristine: compounding powder, intravenous solution.

Nervous system

Uncommon (0.1% to 1%): Seizures[Ref]


Very common (10% or more): Alopecia[Ref]


Frequency not reported: Acute shortness of breath, severe bronchospasm, dyspnea[Ref]


Common (1% to 10%): Constipation (may take the form of upper colon impaction), paralytic ileus, abdominal cramps

Uncommon (0.1% to 1%): Nausea, vomiting, diarrhea, anorexia, stomatitis, oral ulceration, intestinal necrosis and/or perforation, abdominal cramps, abdominal distension, weight loss

Frequency not reported: Paralytic ileus (particularly in young children and in the elderly), pancreatitis[Ref]


Frequency not reported: Anemia, leukopenia, thrombocytopenia[Ref]


Frequency not reported: Hypertension, hypotension[Ref]


Frequency not reported: Transient cortical blindness, optic atrophy with blindness, diplopia, ptosis, photophobia, visual hallucinations[Ref]


Frequency not reported: Polyuria, oliguria, nocturia, dysuria, urinary retention, testicular pain[Ref]


Frequency not reported: Second malignancies[Ref]


Rare (0.01% to 0.1%): Allergic-type reactions (e.g., anaphylaxis)[Ref]


Frequency not reported: Hepatic veno-occlusive disease, hepatitis[Ref]


Frequency not reported: Neurotoxicity is the most common dose-limiting side effect of this drug. Frequently, there is a sequence to the development of neuromuscular side effects. Initially, only sensory impairment and paresthesia

may develop. With continued treatment, neuritic pain and later, motor difficulties may occur. Loss of deep-tendon reflexes, foot drop, wrist drop, ataxia, and paralysis have been reported with continued administration. Cranial nerve manifestations, including isolated paresis and/or paralysis of muscles controlled by cranial motor nerves, may occur in the absence of motor impairment elsewhere; extra-ocular and laryngeal muscles are those most commonly involved. Numbness of the fingers and toes, atrophy, cramps, slapping gait, and difficulty in walking or inability to walk, may occur. Jaw pain, pharyngeal pain, parotid gland pain, bone pain, back pain, limb pain, and myalgias have been reported; pain in these areas may be severe.[Ref]


Frequency not reported: Depression, agitation, insomnia, hallucinations[Ref]


In general, adverse reactions are reversible and are related to dosage size and cumulative dosage. The use of small amounts of this drug daily for long periods is not advised. The most common adverse reaction is alopecia; the most troublesome adverse reactions are neuromuscular in origin.[Ref]


1. (2018) "Product Information. Vincasar PFS (vincristine)." Teva SICOR Pharmaceuticals Inc

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.