Product image of Marcain Heavy Steripack (Bupivacaine Hydrochloride, Anhydrous) supplied by GNH India

Marcain Heavy Steripack

Active Ingredient:
Bupivacaine Hydrochloride, Anhydrous
Origin:
EU

Marcain Heavy Steripack (Bupivacaine Hydrochloride, Anhydrous)

Bupivacaine hydrochloride, the active ingredient in Marcain Heavy Steripack, is a local anesthetic presented as an injectable solution for intrathecal use. It provides surgical and obstetric anesthesia by reversibly blocking nerve impulse conduction in the spinal cord.\n\nGNH India supplies Marcain Heavy Steripack as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals worldwide.

Manufacturer / TM Owner

Aspen Pharma Trading Limited

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Indications & Clinical Uses

  • Marcain Heavy Steripack is a local anesthetic used in procedures that require regional nerve blockade.\n\nSpinal anesthesia: provides dense sensory block for surgeries performed under spinal analgesia.\nEpidural anesthesia: delivers continuous analgesia for labor, postoperative pain control, and certain surgeries.\nSurgical anesthesia: offers profound anesthesia for a variety of operative interventions where intrathecal delivery is appropriate.

How It Works

  • Bupivacaine hydrochloride reversibly binds to voltage‑gated sodium channels on neuronal membranes, stabilising the inactive state of the channel. This inhibition prevents the influx of sodium ions required for depolarisation, thereby blocking the generation and propagation of nerve impulses and producing a reversible loss of sensation in the targeted region.

Side Effects

  • Adverse reactions may occur following intrathecal administration of bupivacaine.\n\nCommon Side Effects:\n- Hypotension: decreased blood pressure due to sympathetic blockade.\n- Bradycardia: slowed heart rate, especially with high spinal levels.\n- Nausea and vomiting: gastrointestinal upset related to autonomic changes.\n- Dizziness or light‑headedness: transient feeling of faintness.\n- Pruritus: itching, often localized.\n- Transient motor weakness: temporary reduction in muscle strength.\n\nSerious or Rare Side Effects:\n- Cardiac arrest: severe cardiotoxicity at high plasma concentrations.\n- Seizures: central nervous system excitation from excessive dosing.\n- Respiratory depression: inadequate ventilation due to high spinal block.\n- Allergic reaction: rash, urticaria, or anaphylaxis.\n- Prolonged motor block: extended loss of movement beyond expected duration.\n- Neurotoxicity: rare nerve injury presenting as persistent numbness or pain.

Precautions & Warnings

  • Careful assessment and monitoring are essential when using intrathecal bupivacaine.\n\nPatient assessment: evaluate cardiovascular and respiratory status before administration.\nDose titration: use the lowest effective dose to achieve the desired block.\nAllergy check: confirm no known hypersensitivity to amide‑type local anesthetics.\nMonitoring: continuously observe blood pressure, heart rate, and oxygen saturation during and after injection.\nEmergency preparedness: have resuscitation equipment and lipid emulsion therapy readily available.\nStore at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.

Avoid Interactions

  • Bupivacaine may interact with other drugs that affect cardiac or central nervous system function.\n\nMajor Interactions (Avoid):\n- Class I antiarrhythmics (e.g., quinidine): increase risk of cardiotoxicity.\n- Beta‑blockers (e.g., propranolol): may exacerbate bradycardia and hypotension.\n- General anesthetics (e.g., propofol): additive CNS depression leading to respiratory compromise.\n\nModerate Interactions (Monitor Closely):\n- Opioids (e.g., fentanyl): may enhance sedation and respiratory depression.\n- Muscle relaxants (e.g., rocuronium): potential potentiation of neuromuscular blockade.\n- Lithium: increased risk of neurotoxicity and prolonged block.

Frequently Asked Questions

Marcain Heavy Steripack is an injectable formulation of bupivacaine hydrochloride used to provide regional anesthesia. It is commonly employed for spinal, epidural, and surgical anesthesia, delivering a reversible nerve block that allows procedures to be performed without pain.

Bupivacaine hydrochloride blocks voltage‑gated sodium channels on neuronal membranes, stabilising them in an inactive state. This prevents sodium influx, halting the generation and propagation of nerve impulses, which results in loss of sensation in the targeted area.

The specific dose of Marcain Heavy Steripack is determined by the prescribing clinician based on the type of procedure, patient characteristics, and desired depth of block. Healthcare professionals calculate the appropriate volume and concentration for each individual case.

The safety of bupivacaine hydrochloride in pregnancy and lactation has not been fully established. It should only be used when the potential benefit justifies any potential risk to the fetus or infant, and the decision must be made by a qualified healthcare provider.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including cold‑chain if needed), and import documentation.

Bupivacaine provides a longer duration of action compared with agents such as lidocaine or mepivacaine, making it suitable for procedures requiring extended anesthesia. However, its higher potency also carries a greater risk of cardiotoxicity, so careful dosing and monitoring are essential.

The product should be stored at 2‑8 °C in a refrigerator, protected from light, and must not be frozen or shaken. Keep the vial in its original packaging until use to maintain sterility and potency.

Marcain Heavy Steripack is administered by a qualified healthcare professional via intrathecal injection, typically using a sterile spinal needle. The injection is performed under aseptic conditions, and the patient is monitored for hemodynamic and neurologic responses throughout the procedure.

Serious risks include cardiotoxicity leading to arrhythmias or cardiac arrest, central nervous system toxicity such as seizures, and severe respiratory depression. Prompt recognition and treatment, including availability of lipid emulsion therapy, are critical to managing these events.

Patients with known hypersensitivity to amide‑type local anesthetics, significant cardiac conduction abnormalities, or severe uncontrolled hypotension should not receive this medication. Contraindications must be evaluated by the prescribing clinician before administration.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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