Brand Name:- Irinotecan

Generic Name:- Irinotecan Hydrochloride

Manufacturer:- Getwell

Dosage Form:- Injection



Packaging:- 1vial

Indication:- Colon or rectal cancer



This medicine is used to treat colon or rectal cancer. It belongs to the group of cancer-fighting medications known as antineoplastic. This medication works by suppressing the activity of topoisomerase I  involved in DNA. This helps to slow down the growth of cancer cells. Take this medicine as prescribed by your medical advisor. Dosage is based on your medical condition and your response to the treatment. This medicine is given as an infusion into your vein. Do not self-administer this medicine. Do not take this medicine in the wrong way as it may lead to some severe side effects. If you experience any symptoms while receiving this medicine, inform your doctor immediately.

Pharmacodynamics Of Irinotecan 

Irinotecan is an antineoplastic enzyme inhibitor primarily used in the treatment of colon or rectal cancer. Irinotecan is a semisynthetic derivative of camptothecin. Camptothecins interact specifically with topoisomerase I, an enzyme in the cell nucleus that regulates DNA topology and facilitates nuclear processes such as DNA replication, recombination, and repair.

Side Effects Of Irinotecan 

This medicine may cause some major and minor side effects. Discuss the risks and benefits of this medication with the doctor before starting the treatment.

Common Side Effects 

  • Dizziness
  • Diarrhea
  • Fever
  • Cough
  • Loss of appetite
  • Indigestion
  • Fainting
  • Sore throat
  • Lightheadedness
  • Bleeding
  • Nausea
  • Irregular heartbeat
  • Shortness of breath
  • Back pain
  • Pale skin
  • Rash
  • Low blood counts
  • Weight loss
  • Low calcium
  • Vomiting
  • Weakness
  • Difficulty in urination
  • Anemia
  • Hair loss
  • Mouth ulcers
  • Abdominal pain
  • Blurred vision
  • Unusual bruising
  • Muscle cramps
  • Allergic reaction
  • Loss of strength
  • Bloody stools
  • Dehydration
  • Swelling around the eyes
  • Runny or stuffy nose

Note – Immediate medical attention is required if any side effects occur.


Take this injection as prescribed by your doctor.  The injection is given slowly as an infusion into the vein by a doctor or nurse. Do not self-administer.

Missed Dose 

  •  It is advisable not to miss a dose. If you miss an appointment for a scheduled dose of this medicine, contact your doctor immediately.


  • In case of an overdose, the doctor will provide emergency medical treatment.

Usage Of Irinotecan 

This medicine is also used to treat cancer of the pancreas. It kills the cancer cells by interfering with the DNA, which stops the multiplication of cancerous cells. It can lower blood cells that help your body to fight infections. This medicine must be given slowly as an infusion into the vein. It is important to take this medicine exactly as prescribed by your medical advisor. Do not skip or miss the dosing schedule. It is advisable not to change or stop the dose without taking suggestions from your doctor. Do not use this medicine if you are pregnant.


Before starting treatment with Irinotecan, please inform the doctor about your previous medical history. If you experience any symptoms while receiving this medication, do not ignore those symptoms because it may lead to higher risk.

  •  Contraception
    • Use effective methods of contraception to prevent pregnancy while taking this medicine.
  • Children and adolescents
    • This medicine is not advisable for use in children and adolescents

Warnings For Female 

  • Pregnancy
    •  Do not use Irinotecan if you are pregnant or planning to become pregnant. Avoid this medication at the time of pregnancy.
  • Breastfeeding
    • This medicine is not recommended for breastfeeding unless it is necessary. Please consult your medical advisor before starting treatment with this medication.


  • Avoid contact with people who have infections.
  • Close monitoring of blood cell count is necessary with this medication.
  • This medication increases the risk of severe diarrhea in some patients.
  • Patients with a history of lung disease need close monitoring while receiving this medication.
  • This medicine may increase the chance of blood clots.
  • Do not receive any vaccines while having treatment with this medicine.
  • This medication can reduce the number of platelet cells in the blood.


  • Do not drive or operate heavy machinery.
  • Not safe for pregnant women.
  • Do not self-administer this medicine.
  • Do not breastfeed while receiving this medication.