Bupivacaine HCL Injection 0.5% Single-Dose Vials 30 mL x 25/Box by Pfizer (RX)
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Bupivacaine HCL Injection 0.5% is a local anesthetic used to provide prolonged pain relief during surgical, dental, and obstetrical procedures, including cesarean sections. It works by blocking nerve signals in the body, resulting in a temporary loss of sensation in the targeted area. This medication is especially useful for epidural anesthesia and peripheral nerve blocks. Due to its duration and potency, it must be administered with caution to avoid potential side effects such as cardiovascular and central nervous system complications.
Details and Features
Active Ingredient: Bupivacaine Hydrochloride
Concentration: 0.5%
Volume: 30 mL per vial
Packaging: 25 single-dose vials per box
Route of Administration: Injectable, typically administered by trained healthcare professionals.
Indications: Bupivacaine is used for local or regional anesthesia or analgesia during surgery, dental procedures, and childbirth.
Mechanism of Action
Bupivacaine is a long-acting amide-type local anesthetic. It works by blocking sodium ion channels in nerve fibers, which inhibits the depolarization required for the propagation of nerve impulses. This blockade results in a loss of sensation in the targeted area, effectively producing local anesthesia. Its long duration of action makes it suitable for procedures that require extended anesthetic effects.
Warnings
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Cardiovascular Risk: Bupivacaine can cause cardiovascular complications, including hypotension and arrhythmias. Bupivacaine should be used cautiously in patients with cardiovascular issues.
- Central Nervous System Effects: Overdose or improper administration can lead to
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CNS toxicity, characterized by seizures and respiratory depression.
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Allergic Reactions: Although rare, some individuals may experience allergic reactions to bupivacaine.
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Intravenous Administration: Bupivacaine is not intended for intravenous regional anesthesia (IVRA or Bier block) due to the increased risk of cardiovascular collapse.
- Obstetric Concerns: Use during labor should be closely monitored due to the potential for fetal bradycardia or decreased muscle tone.
Side Effects
While bupivacaine is effective for anesthesia, it may cause certain side effects. Administration should be supervised by healthcare professionals to mitigate these risks:
Common Side Effects:
- Hypotension
- Nausea
- Vomiting
- Dizziness
Serious Side Effects:
- Cardiovascular complications (bradycardia, arrhythmias)
- Neurological symptoms (seizures, confusion)
- Allergic reactions (rash, itching, anaphylaxis)
- Respiratory depression
Bupivacaine HCl Injection 0.5% is a potent local anesthetic suitable for a variety of medical applications that require prolonged nerve block. It is essential that this anesthetic be used under the guidance of trained medical professionals, who are equipped to manage potential side effects or complications that arise during its use. Always follow specific dosage and administration guidelines as per the medical institution's protocols and regulatory standards.
