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Precitar 100mg Injection 1
Precitar 100mg Injection 2
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Precitar 100mg Injection

Cytarabine (100mg)
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Product Summary :

Precitar 100mg Injection is an anti-cancer medicine containing cytarabine. It is used to treat certain blood cancers, particularly different types of leukemia. It works mainly by interfering with DNA formation in cancer cells. It is given by a doctor and may be administered into a vein, under the skin, or into the fluid around the brain and spinal cord depending on the condition. Bone marrow suppression is its serious toxicity, so regular blood tests and close medical monitoring are essential. 


Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 08 Oct 2026 | 03:36 PM (IST)
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Precitar 100mg Injection 1
Precitar 100mg Injection 2

Product introduction

Precitar 100mg Injection is used to treat some kinds of cancers of blood. It may be also used to treat other conditions, as determined by the doctor. It is sometimes used with certain other medicines as part of combination chemotherapy.

Precitar 100mg Injection is given as an injection into the vein or under skin by the doctor. Your doctor will decide what dose is necessary and how often you need to take it. This will depend on what you are being treated for and may change from time to time. You should take it exactly as your doctor has advised. It may take several weeks or months for you to see or feel the benefits, but do not stop taking it unless your doctor tells you to.


The most common side effects of this medicine include rash, skin ulcer, nausea, vomiting, and hair loss. This medicine may reduce the number of blood cells (decrease red blood and white blood cells) in your blood, thereby, increasing the susceptibility to infections or bleeding. Inform your doctor if you notice chills, unusual bleeding or bruising and black and tarry stools. Regular blood tests are required to check your blood cells along with heart, liver, and blood uric acid levels.


Before taking it, tell your doctor if you have bleeding, liver, or kidney problems or are taking any medicines to treat infections. Many other medicines can affect, or be affected by, this medicine so let your doctor know all medications you are using. This medicine is not recommended during pregnancy or while breastfeeding. The use of effective contraception by both males and females during treatment is important to avoid pregnancy.

Uses of Precitar Injection

  • Blood cancer : Treats certain types of leukemia, including acute myeloid leukemia (AML), acute lymphocytic leukemia (ALL), and advanced chronic myeloid leukemia (CML).

Benefits of Precitar Injection

Blood cancer
Blood cancer, also called leukemia, is a cancer of the blood-forming tissues that decreases the body's ability to fight infection. Precitar 100mg Injection kills or stops the growth of cancer cells and also prevents the multiplication of cancer cells. It is a potent and very toxic medicine, and you should discuss the risks and benefits with your doctor.

Side effects of Precitar Injection

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Precitar
  • Nausea
  • Vomiting
  • Abdominal pain
  • Anal ulcers
  • Fever
  • Decreased appetite
  • Diarrhea
  • Liver dysfunction
  • Thrombophlebitis

How to use Precitar Injection

Your doctor or nurse will give you this medicine. Kindly do not self administer.

How Precitar Injection works

Precitar 100mg Injection interferes with the growth of DNA and RNA of the cancer cells by substituting their building blocks. It prevents the cancer cells from growing and multiplying.

All substitutes for Precitar 100mg Injection

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

  • Use a reliable contraceptive method to prevent pregnancy while you are taking this medicine.
  • Inform your doctor immediately if you notice any signs of infection such as fever, sore throat, rash or severe diarrhea.
  • Fever during treatment should never be ignored. Precitar 100mg Injection can lower infection-fighting white blood cells, so contact your doctor promptly if you develop fever, chills, sore throat, or other signs of infection.
  • Report unusual bruising, bleeding from the gums or nose, blood in urine or stools, or bleeding that does not stop. Precitar 100mg Injection can lower platelets and increase the risk of bleeding.
  • Keep every scheduled blood-count and bone-marrow test, even if you feel well. Blood-cell levels may continue to fall for some time after treatment has stopped, so monitoring remains important between doses.
  • Report problems with balance, walking, coordination, unusual sleepiness, confusion, numbness, or weakness promptly, particularly if you are receiving high-dose cytarabine. High-dose treatment can cause serious neurological toxicity.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Precitar 100mg Injection. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Precitar 100mg Injection is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Precitar 100mg Injection during breastfeeding is not available. Please consult your doctor.
Driving

Driving

CONSULT YOUR DOCTOR
It is not known whether Precitar 100mg Injection alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.
Kidney

Kidney

SAFE IF PRESCRIBED
Precitar 100mg Injection is probably safe to use in patients with kidney disease. Limited data suggest dose adjustment may not be needed.
However, talk to your doctor if you have any underlying kidney disease.
Liver

Liver

CAUTION
Precitar 100mg Injection should be used with caution in patients with liver disease. Dose adjustment may be needed.
Because of the limited information, a cautious use of Precitar 100mg Injection is recommended in patients with liver disease.

Interaction with drugs

Taking Precitar with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Severe

Filgrastim (Injection Route)

Do not consume Filgrastim from 24 hours before and until 24 hours after taking Cytarabine. Cytarabine may reduce the efficacy of Filgrastim.
Severe

Cholera Vaccine (Inactivated) (Oral Route)

Do not use Cytarabine with Cholera Vaccine (Inactivated). If Cholera Vaccine (Inactivated) is essential, ensure a gap of at least 6 months after discontinuing Cytarabine. Please consult your doctor. Cytarabine may reduce efficacy of Cholera Vaccine (Inactivated).
Severe

Herpes Zoster / Shingles Vaccine (Recombinant, Adjuvanted) (Injection Route)

Do not use Cytarabine with Herpes Zoster / Shingles Vaccine (Recombinant, Adjuvanted). If Herpes Zoster / Shingles Vaccine (Recombinant, Adjuvanted) is essential, ensure a gap of at least 6 months after discontinuing Cytarabine. Please consult your doctor. Cytarabine may reduce efficacy of Herpes Zoster / Shingles Vaccine (Recombinant, Adjuvanted).
Severe

Purified Vi Polysaccharide Typhoid Vaccine (Injection Route)

Do not use Cytarabine with Purified Vi Polysaccharide Typhoid Vaccine. If Purified Vi Polysaccharide Typhoid Vaccine is essential, ensure a gap of at least 6 months after discontinuing Cytarabine. Please consult your doctor. Cytarabine may reduce efficacy of Purified Vi Polysaccharide Typhoid Vaccine.
Severe

Pegfilgrastim (Injection Route)

Do not consume Cytarabine from 14 days before until 24 days after taking Pegfilgrastim. Please consult your doctor. Cytarabine may reduce the efficacy of Pegfilgrastim.

Frequently asked questions

Some people develop a group of symptoms about 6–12 hours after receiving Precitar 100mg Injection, including fever, muscle or bone pain, sometimes chest pain, rash, red or irritated eyes, and a general feeling of being unwell.
Yes. Precitar 100mg Injection can be given intrathecally, meaning into the fluid surrounding the brain and spinal cord, to prevent or treat meningeal leukemia.
Poor liver or kidney function may increase the risk of toxicity, particularly nervous-system toxicity with high-dose treatment. Periodic liver, kidney, and bone marrow checks are recommended.
Yes. Precitar 100mg Injection can lower platelet levels because it suppresses the bone marrow. This can increase the risk of bleeding, so unusual bleeding or bruising should be reported promptly.

Fact Box

Chemical Class

Pyrimidine nucleosides

Habit Forming

No

Therapeutic Class

ANTI NEOPLASTICS

Action Class

Antimetabolites

References

  1. Chabner BA, Bertino J, Cleary J, et al. Cytotoxic Agents. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. p. 1698-700.
  2. Chu E, Sartorelli AC. Cancer Chemotherapy. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 947.
  3. Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 343-44.
  4. Central Drugs Standard Control Organisation (CDSCO). [Accessed 27 Mar. 2019] (online) Available from:
  5. Cytarabine. Lake Forest, IL: Hospira, Inc.; [Accessed 07 Oct. 2026] (online). Available from:
  6. Cytarabine. Lake Forest, IL: Fresinius Kabi; 2026. [Accessed 07 Oct. 2026] (online). Available from:
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Premedium Pharmaceuticals Pvt Ltd
Address: 207 SUCHET CHAMBERS, 1224/5 BANK STREET, KAROL BAGH, NEW DELHI Central Delhi DL 110005 IN

Vendor Details

Country of origin: India
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