Benzapen Injection 12 lac units/vial 1pc

✔️ Uses of Benzapen Injection

• Bacterial infections
• Syphilis
• Prevention of rheumatic fever

✔️ How does Benzapen Injection work?

Benzapen Injection kills bacteria by preventing them from forming the bacterial protective covering (cell wall) which is needed for them to survive.

✔️ Side Effects of Benzapen Injection

• Rash
• Allergic reaction
• Injection site reactions (pain, swelling, redness)

Some patients experience a low-grade fever (up to 102°F), which typically resolves within 24-48 hours.

✔️ Quick Suggestions:

• You have been prescribed Benzapen Injection for the treatment of bacterial infections.
• It is given by an injection into a vein or muscle, or via a drip into a vein.
• Finish the prescribed course, even if you start to feel better. Stopping it early may make the infection come back and harder to treat.
• Diarrhea may occur as a side effect but should stop when your course is complete. Inform your doctor if it doesn't stop or if you find blood in your stools.
• Inform your doctor immediately if you develop an itchy rash, swelling of the face, throat, or tongue, or breathing difficulties while taking this medicine.

✔️ Indication of Benzapen Injection

Benzapen Injection is used to treat Anthrax, Group A Strep. infections, Neurosyphilis, Fusobacterium infections, Diphtheria, Erysipeloid, Uncomplicated pneumococcal pneumonia, Rat bite fever, Rheumatic fever, Syphilis, Streptococcal pharyngitis

✔️ Pharmacology

Benzathine penicillin works by inhibiting bacterial cell wall synthesis. It binds to penicillin-binding proteins (PBPs), which halts the final transpeptidation step in bacterial cell wall synthesis, ultimately leading to bacterial cell death as the cell wall breaks down.

✔️ Dosage & Administration of Benzapen Injection

Treatment of infections:
0.3 to 1.2 million units every five to seven days.

Prophylaxis of rheumatic fever:
1.2 million units every three weeks.

Specific dosages for streptococcal infections:

• Group A β-hemolytic streptococcal infections: Single intramuscular dose of 600,000 units.
• Prevention of rheumatic fever: Monthly injections of 1.2 million units.
• Acute otitis media: Single injection of 6 million units.
• Early syphilis: Single dose of 2.4 million units.
• Late syphilis: 2.4 million units weekly for three weeks.
• Neurosyphilis: 2 to 4 million units intravenously every 4 hours for 10 days, followed by 2.4 million units intramuscularly weekly for three weeks.
• Congenital syphilis: 50,000 units per kg intramuscularly in a single dose.

✔️ Interaction

No significant hazardous interactions have been reported.

✔️ Contraindications

Hypersensitivity to penicillins.

✔️ Pregnancy & Lactation

• Pregnancy category B.
  Should only be administered during pregnancy if clinically justified, especially in the first trimester.
• Penicillin is excreted in breast milk, so it is advisable to stop breastfeeding while on the medication.

✔️ Precautions & Warnings

• Use cautiously in patients with:
  • History of hypersensitivity to cephalosporins or penicillins.
  • Allergy, asthma, or seizure disorders.
• Not intended for intravenous or intra-arterial administration.
• Prolonged use may lead to superinfection (bacterial or fungal).
• Exercise caution in patients with renal impairment.

✔️ Storage:

Store between 2-8°C. Do not freeze. Keep out of the reach of children.