Pegin Injection 135 mcg/0.5 ml contains Peginterferon alfa-2a, a pegylated form of interferon alfa-2a with long-acting antiviral and immunomodulatory properties. It is primarily used in the management of chronic viral hepatitis infections, helping the body’s immune system fight viral replication and reduce liver inflammation. This lower-strength formulation is used in selected patients based on clinical need and tolerance.

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Composition

• Active Ingredient: Peginterferon alfa-2a (Pegylated Interferon alfa-2a)
• Strength: 135 mcg per 0.5 ml

Mechanism of Action

Peginterferon alfa-2a works by activating intracellular antiviral proteins and enhancing immune system activity against virus-infected cells. It inhibits viral replication and promotes clearance of infected hepatocytes. The pegylated structure ensures prolonged activity, allowing once-weekly dosing with sustained antiviral effects.

Indications

Pegin Injection 135 mcg is indicated for:

• Chronic Hepatitis B infection (as per specialist recommendation)
• Chronic Hepatitis C infection (in combination therapy)
• Selected viral hepatitis cases requiring dose adjustment
• Patients requiring lower-dose interferon therapy due to tolerability or clinical condition

Dosage and Administration

• Administered as a subcutaneous injection
• Usually given once weekly under medical supervision
• Dose and duration depend on disease severity, viral response, and patient tolerance
• Must be used strictly as prescribed by a hepatologist or infectious disease specialist

Benefits

• Helps suppress hepatitis virus replication
• Supports improvement of liver inflammation
• Enhances immune response against viral infection
• Long-acting formulation allows convenient weekly dosing
• Suitable for individualized dose adjustment therapy

Possible Side Effects

Common side effects may include:

• Flu-like symptoms (fever, chills, fatigue)
• Headache
• Muscle and joint pain
• Loss of appetite
• Irritability or mood changes

Serious side effects may include depression, blood count suppression, and thyroid dysfunction.

Precautions and Warnings

• Must be used only under specialist supervision
• Regular monitoring of blood counts and liver function is required
• Not recommended during pregnancy or breastfeeding
• Use with caution in patients with psychiatric conditions
• Dose adjustment may be required in renal or hepatic impairment
• Inform doctor about all concurrent medications

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Storage

• Store in a refrigerator at 2°C to 8°C
• Do not freeze
• Protect from light
• Keep out of reach of children

Conclusion

Pegin Injection 135 mcg/0.5 ml (Peginterferon alfa-2a) is a long-acting immunomodulatory antiviral therapy used in chronic hepatitis B and C management. It helps control viral replication and supports liver health under strict medical supervision.