Filgen Injection 300mcg

About Filgen Injection 300mcg

Filgen Injection 300mcg Uses

• Reduces the duration of neutropenia after cancer chemotherapy
• Speeds up white blood cell recovery following a bone marrow transplant
• Used in patients with severe chronic neutropenia to lower infection risk
• Mobilizes stem cells into the bloodstream before a stem cell transplant

Filgen Injection 300mcg Benefits

• Lowers the risk of fever and infection during chemotherapy cycles
• Helps patients stay on schedule with planned chemotherapy doses
• Shortens hospital stays linked to low white blood cell counts
• Supports faster immune recovery after intensive cancer treatment

What Experts Say

Oncologists prescribe filgrastim to protect patients from dangerously low neutrophil counts, a common and serious side effect of many chemotherapy regimens used against solid tumors and blood cancers. Correcting neutropenia quickly reduces the chance of severe, potentially life threatening infections during treatment.

Dosing is calculated by body weight and usually starts a day or more after chemotherapy ends, given once daily until the neutrophil count recovers to a safe level. Doctors track complete blood counts closely during this window to decide exactly when to stop the injections and whether the chemotherapy dose needs adjusting.

Bone pain is the most common complaint, and doctors generally advise a standard painkiller like paracetamol to manage it rather than stopping treatment early. Because filgrastim is a biologic, correct cold chain storage and careful injection technique are stressed heavily during patient counselling, especially for patients continuing injections at home.

Filgen Injection 300mcg Drug Class

• Granulocyte colony stimulating factor (G-CSF)
• Recombinant human protein that stimulates bone marrow to produce neutrophils

Filgen Injection 300mcg formula

• Filgrastim

Available forms

• Injection

How to use Filgen Injection 300mcg?

• Filgen Injection 300mcg is given as a subcutaneous or intravenous injection, usually by a healthcare provider
• Your oncologist decides the exact timing based on your chemotherapy schedule
• Do not shake the vial vigorously, since this can damage the protein
• Let the vial reach room temperature for a few minutes before injection if it was refrigerated
• Complete blood counts are checked regularly to guide how many doses you need

Drug Interactions

• Avoid using within 24 hours before or after a chemotherapy dose unless your oncologist directs otherwise
• Lithium may increase the release of neutrophils and needs closer blood count monitoring if combined
• Other bone marrow stimulating agents should not be combined without specialist advice
• Tell your doctor about all cancer medicines you are taking, since dosing schedules are closely linked

Risks and warnings

• Can cause bone pain, most commonly in the back, hips and long bones
• Rare risk of spleen enlargement or rupture, seek urgent care for left upper abdominal or shoulder pain
• May trigger acute respiratory distress in rare cases, report sudden breathlessness immediately
• Allergic reactions including rash, swelling or difficulty breathing can occur
• Use with caution in patients with sickle cell disease, since it can trigger a sickle cell crisis
• Regular blood monitoring is required throughout treatment

Filgen Injection 300mcg Side Effects

• Bone pain
• Headache
• Fatigue
• Nausea
• Injection site redness or irritation
• Low grade fever
• Muscle and joint aches
• Reduced appetite
• Mild rash
• Elevated liver enzymes on blood tests

Storage Conditions

• Store in a refrigerator between 2°C and 8°C, do not freeze
• Keep the vial in its outer carton to protect it from light
• Do not shake the vial vigorously
• Discard the vial if it has been left out of the refrigerator for more than 24 hours
• Keep out of reach of children