Pegfilgrastim
About Pegfilgrastim
Pegfilgrastim is a prescription injection used to lower the risk of infection in patients with non-myeloid cancers who are receiving strong chemotherapy. It helps prevent a severe drop in certain infection-fighting white blood cells, known as neutrophils, which can often occur after chemotherapy treatments. By stimulating your body to produce more of these protective cells, this medicine shields you from potentially dangerous infections.
This medicine is typically given as a single injection during each chemotherapy cycle, usually 24 hours after your chemotherapy session. Staying highly consistent with your scheduled injection dates is critical for maintaining your body's immune defense throughout your cancer treatment. Because this is an injection, food intake does not affect how it works. Making simple lifestyle adjustments, such as staying thoroughly hydrated and practising strict hand hygiene, can significantly support your body during this treatment.
The most common side effect you may experience is temporary bone pain, which indicates that your bone marrow is actively producing new white blood cells. However, you must contact your doctor immediately if you experience severe left upper stomach pain, shoulder pain, or sudden breathing difficulties, as these are signs of serious complications. Always consult your healthcare provider if any side effect becomes severe or bothersome.
Before you begin using this medicine, it is important to talk to your doctor if you have a history of sickle cell disorders, kidney disease, or lung problems. Do not take this if you have had a severe allergic reaction to human granulocyte colony-stimulating factors or acrylic adhesives. Sharing your medical history helps ensure this therapy is safe for your specific condition.
This medicine does not have direct interactions with food, alcohol, or smoking, but consuming alcohol should be avoided as it can dehydrate your body and weaken your recovering immune system. If you are pregnant, planning to become pregnant, breastfeeding, or are an elderly patient, you should consult your healthcare provider to discuss the benefits and risks of using this injection.
Uses of Pegfilgrastim
Medicinal Benefits
Pegfilgrastim helps reduce the risk of serious infections, supports uninterrupted cancer treatment, and promotes faster recovery of white blood cells. Key benefits include:
- Reduces the risk of infection: Increases neutrophil levels, helping lower the risk of serious infections and febrile neutropenia during chemotherapy.
- Supports uninterrupted chemotherapy: Helps maintain adequate white blood cell counts, reducing the need to delay or reduce chemotherapy doses.
- May reduce hospitalisation: Lowers the likelihood of severe infections that require emergency hospital care or intravenous antibiotics.
- Provides long-lasting protection: A single injection offers prolonged support throughout the chemotherapy cycle, reducing the need for frequent injections.
Directions for Use
- Follow your doctor’s instructions on the dosage and timing of this medication.
- Pegfilgrastim may be administered by your doctor, or you may be told to inject the medication yourself at home. Your doctor will train you on how to use Pegfilgrastim at home.
- Check the label for directions and use it as advised by the doctor.
- Pegfilgrastim should be administered subcutaneously (under the skin) in the thighs, abdomen, buttocks, or upper arm.
- Rotate the injection site each time.
- Do not inject into the areas where the skin is tender, red, bruised, hard, scarred, or has stretch marks.
Storage
Side Effects of Pegfilgrastim
Common Side Effects (Usually mild):
- Bone pain (often felt in the back, arms, or legs)
- Muscle or joint aches
- Redness, swelling, or mild pain at the injection site
- Headache
Serious Side Effects (Consult your doctor right away):
- Severe pain in the left upper stomach area or your left shoulder tip (signs of an enlarged or ruptured spleen)
- Sudden breathing difficulties, shortness of breath, coughing, or rapid breathing
- Signs of a severe allergic reaction, such as swelling of the face, lips, or throat, severe hives, or dizziness
- Blood in your urine, or swelling in your face or ankles (signs of kidney inflammation)
Medicines Containing this Salt
View AllDrug Warnings
- Check the expiry date: Always check the expiry date before using Pegfilgrastim. Do not use it if it has expired.
- Do not shake the syringe: Never shake the prefilled syringe, as this may damage the medicine.
- Rotate injection sites: Use a different injection site each time and avoid injecting into skin that is bruised, tender, red, or hard.
- Never reuse injection equipment: Use a new needle or prefilled syringe for each injection and dispose of it safely after use.
- Follow the correct timing: Inject Pegfilgrastim at least 24 hours after completing chemotherapy and not within 14 days before your next chemotherapy session.
Drug Interactions
- Lithium: Taking Pegfilgrastim with lithium may further increase white blood cell counts and requires careful monitoring by your doctor.
- Other bone marrow-stimulating medicines: Using Pegfilgrastim with other granulocyte colony-stimulating factors (G-CSFs) or medicines that stimulate bone marrow may increase the risk of excessively high white blood cell counts.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
cautionIt is unknown whether consuming alcohol with Pegfilgrastim is safe. However, as a precaution, it is best to avoid or limit alcohol consumption.
Pregnancy
cautionPregnancy Category C. It should be used in pregnant women only if clinically needed, and the benefits outweigh the risks. Please consult your doctor.
Breast Feeding
cautionIt is unknown whether Pegfilgrastim passes into the breast milk. Please seek medical advice from your doctor if you are breastfeeding before taking Pegfilgrastim.
Driving
safe if prescribedThe ability to drive or utilize machines is unaffected by Pegfilgrastim.
Liver
cautionConsult your doctor if you have liver problems.
Kidney
cautionCaution should be exercised while using Pegfilgrastim in patients with renal dysfunction. Monitoring of patients with renal dysfunction is recommended.
Children
cautionPlease consult your doctor if you have any concerns regarding the usage of Pegfilgrastim in children.
Habit Forming
Diet & Lifestyle Advise
- Practice strict hand hygiene: Wash your hands thoroughly with soap and water throughout the day, especially before eating and after using public spaces, to minimize your exposure to bacteria.
- Eat fully cooked foods: Avoid raw meats, raw seafood, runny eggs, and unpasteurized dairy products, as these can carry bacteria that your recovering immune system might struggle to fight.
- Avoid crowded places: Limit your exposure to large crowds and individuals showing symptoms of cold, flu, or other contagious illnesses during your chemotherapy cycles.
- Stay well-hydrated: Drink plenty of water and clear fluids daily to support your kidneys and help your body process your treatments effectively.
- Engage in gentle movement: Light stretching or walking can help ease the temporary bone and joint pain that often occurs as your bone marrow works to produce new cells.
Special Advise
Monitoring of (CBC) complete blood count during therapy is recommended.
While using Pegfilgrastim, do not get any immunizations or vaccinations unless your doctor has approved them.
Patients Concern
Disease/Condition Glossary
Neutropenia: Neutropenia is characterized as a lower than the normal number of neutrophils (a type of white blood cell). White blood cells protect the body from infections. Without enough neutrophils, the body cannot fight bacteria, increasing the risk of many illnesses. Neutropenia can be caused by various conditions, including cancers like leukaemia, cancer treatment like radiotherapy, and infections like HIV or hepatitis.
FAQs
Pegfilgrastim belongs to the class of medicine called 'hematopoietic agent' used to treat neutropenia, a deficiency of specific white blood cells caused by cancer, bone marrow transplant, chemotherapy, or other diseases.
Pegfilgrastim contains 'Pegfilgrastim,' which is a growth factor that stimulates the formation of white blood cells and helps to reduce the chances of infection in cancer patients receiving chemotherapy.
This medication should not be used in individuals who have a known allergy to filgrastim, pegfilgrastim, or any of the inactive components present in it.
Yes, Pegfilgrastim may interfere with certain lab tests, such as bone imaging and blood testing, potentially resulting in incorrect test findings. Make sure your doctor and laboratory personnel are aware that you take Pegfilgrastim.
Pegfilgrastim may sometimes cause capillary leak syndrome, a condition that causes blood leakage from small blood vessels. Inform your doctor immediately if you notice difficulty breathing, swelling, a feeling of fullness, and tiredness.
Yes, you can self-inject if your healthcare provider trains you on proper technique, safety, and disposal. Do not attempt to inject yourself until you feel completely confident in doing so. Talk to your doctor or pharmacist if you need a demonstration.
Bone pain is a common sign that the medicine is working. It stimulates your bone marrow to quickly produce a large number of new white blood cells, which can create temporary pressure and pain inside your bones. Talk to your doctor about safe over-the-counter pain relievers you can use.
Because this medicine must be precisely timed with your chemotherapy cycle, missing a dose requires immediate guidance. Contact your healthcare provider right away to reschedule. Talk to your doctor or pharmacist for custom advice on your chemotherapy schedule.
The safety of this medicine during pregnancy or breastfeeding is not fully established. It should only be used if the potential benefit justifies the risk to the baby. Talk to your doctor to evaluate your options safely.
When traveling, keep the medicine in its original packaging inside a cool travel pack with ice packs, ensuring it does not freeze. Avoid exposing it to extreme heat or direct light. Talk to your pharmacist for specific travel storage tips.
While there is no direct interaction between this medicine and alcohol, alcohol can dehydrate you and strain your recovery during chemotherapy. Talk to your doctor before consuming alcohol during your treatment.
No, this medicine does not treat or cure cancer itself. It is a supportive therapy designed to protect your immune system and prevent life-threatening infections while you undergo cancer treatments. Talk to your doctor to learn more about how it fits into your overall treatment plan.

