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Iril 300mcg Injection is used to prevent infections after chemotherapy. It is a growth factor that stimulates the bone marrow to produce white blood cells. These cells protect the body against infections.

Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 09 Aug 2026 | 01:03 AM (IST)
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General Information

Contains

Granulocyte Colony Stimulating Factor (300mcg)

Marketer

Gufic Bioscience Ltd

Storage

Store in a refrigerator (2 - 8°C). Do not freeze.
The content is shown in English
Iril 300mcg Injection image
Iril 300mcg Injection image

Product introduction

Iril 300mcg Injection is given as an injection by a qualified medical professional. You should continue to take as long as your doctor advises for it. The duration of treatment varies according to your need and response to treatment. You might be asked to get regular tests done to check the number of blood cells in your blood and your bone density level while you are taking this medicine.

The most common side effects of this medicine include bone pain, weakness, joint pain, headache, and rash. Other than this, pain or redness at the site of injection is common. But, inform your doctor if you notice a lump, swelling, or bruising that does not go away. It might not prevent you from all kinds of infection, hence inform your doctor if you notice fever, chills, rash, sore throat, and swelling around the face or neck.

Many other medicines can affect, or be affected by, this medicine so let your healthcare team 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 Iril Injection

  • Prevention of Infections after chemotherapy

Benefits of Iril Injection

Prevention of Infections after chemotherapy
Iril 300mcg Injection increases the production of white blood cells by stimulating the immune system in our body. White blood cells are those cells that help us to fight infections. This medicine is really effective and must be used under medical supervision. Avoid being in crowds and wash your hands often to prevent any infections. Have plenty of fluids, unless otherwise advised by the doctor not to.

Side effects of Iril 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 Iril
  • Low blood platelets
  • Hair loss
  • Fatigue
  • Diarrhea
  • Headache
  • Nausea
  • Vomiting
  • Anemia (low number of red blood cells)
  • Musculoskeletal (bone, muscle or joint) pain
  • Mucosal inflammation
  • Fever

How to use Iril Injection

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

How Iril Injection works

Iril 300mcg Injection is a growth factor that stimulates the bone marrow to produce white blood cells. These cells protect the body against infections. .

Quick tips

  • Iril 300mcg Injection reduces the risk of infection in people treated with chemotherapy.
  • It is usually given as a daily injection into the tissue just under the skin or into the vein. 
  • You will normally receive your first dose at least 24 hours after your chemotherapy or bone marrow transplant.
  • Store it in the refrigerator, protect it from light, and don't shake it.
  • For a more comfortable injection, leave the syringe at room temperature for 30 minutes before using it.
  • Pain or redness in the area of injection is common. Let your doctor know if you notice a lump, swelling, or bruising that doesn't go away.
  • Use caution while driving or doing anything that requires concentration as Iril 300mcg Injection may cause dizziness.
  • Your doctor may get regular tests done to monitor the number of blood cells in your blood, and your bone density level while you are receiving treatment with this medicine.
  • Stop taking Iril 300mcg Injection and inform your doctor if you have a fever, shortness of breath, fast rate of breathing or trouble breathing.
  • Iril 300mcg Injection reduces the risk of infection in people treated with chemotherapy.
  • It is usually given as a daily injection into the tissue just under the skin or into the vein. 
  • You will normally receive your first dose at least 24 hours after your chemotherapy or bone marrow transplant.
  • Store it in the refrigerator, protect it from light, and don't shake it.
  • For a more comfortable injection, leave the syringe at room temperature for 30 minutes before using it.
  • Pain or redness in the area of injection is common. Let your doctor know if you notice a lump, swelling, or bruising that doesn't go away.
  • Use caution while driving or doing anything that requires concentration as Iril 300mcg Injection may cause dizziness.
  • Your doctor may get regular tests done to monitor the number of blood cells in your blood, and your bone density level while you are receiving treatment with this medicine.
  • Stop taking Iril 300mcg Injection and inform your doctor if you have a fever, shortness of breath, fast rate of breathing or trouble breathing.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Iril 300mcg Injection. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Iril 300mcg 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

SAFE IF PRESCRIBED
Iril 300mcg Injection may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
Driving

Driving

UNSAFE
Iril 300mcg Injection may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CAUTION
Iril 300mcg Injection should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Liver

Liver

CAUTION
Iril 300mcg Injection should be used with caution in patients with liver disease. Dose adjustment may be needed.
All

Frequently asked questions

Iril 300mcg Injection is a medicine that helps the body make more white blood cells. It is usually given to people receiving chemotherapy or bone marrow transplants to reduce the risk of infections.
Iril 300mcg Injection should not be used by anyone allergic to filgrastim, pegfilgrastim, lenograstim, lipegfilgrastim, or any of the other ingredients present in this medicine. It should also be avoided in people with rare conditions like Kostmann’s syndrome (a rare genetic disorder characterized by a severe deficiency of neutrophils, a type of white blood cell crucial for fighting bacterial infections) if they have developed certain serious blood problems.
Before starting Iril 300mcg Injection, inform your doctor if you have sickle cell disease, osteoporosis, lung problems, or if you have planned bone marrow or stem cell testing. Your doctor will also monitor your blood counts regularly during treatment.
In rare cases, Iril 300mcg Injection can cause the spleen to become enlarged, which may lead to a rupture. Signs include pain in the upper left side of your stomach or shoulder. You should seek medical help immediately if this happens.
Yes. Iril 300mcg Injection has been linked to lung-related side effects such as cough, fever, difficulty breathing, or fluid in the lungs. If you notice these symptoms, contact your doctor right away.
Serious side effects of Iril 300mcg Injection may include severe allergic reactions, chest pain, sudden trouble breathing, swelling, high white blood cell counts, or signs of inflammation in the blood vessels. These require urgent medical attention.
In some very rare cases, Iril 300mcg Injection has been linked to changes in bone marrow and blood cells. It is usually used under strict monitoring in people with cancer or blood disorders, so your doctor will check your blood counts often.

Fact Box

Chemical Class

Glycoproteins

Habit Forming

No

Therapeutic Class

ANTI NEOPLASTICS

Action Class

Granulocyte-Colony Stimulating Factor (G-CSF)

References

  1. Masters SB. Agents Used in Anemias; Hematopoetic Growth Factors. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 581-82.
  2. Central Drugs Standard Control Organisation (CDSCO). [Accessed 27 Mar. 2019] (online) Available from:
  3. Cancer Research Uk. Granulocyte Colony Stimulating Factor. [Accessed 27 Mar. 2019] (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: Gufic Bioscience Ltd
Address: 37,1st Floor, Kamala Bhavan II, Swami Nityanand Road, Andheri (East), Mumbai - 400 069. (INDIA)

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Iril 300mcg Injection. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India
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