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Generic

Bacitracin Zinc + Neomycin Sulphate Topical

29 brands available in the market

At a glance

Bacitracin Zinc + Neomycin Sulphate Topical is a combination antibiotic used for the treatment of bacterial skin infections. It is effective against both gram-positive and gram-negative bacteria.

Description

Bacitracin Zinc + Neomycin Sulphate Topical is a combination of two antibiotics: Bacitracin and Neomycin. Neomycin is an aminoglycoside antibiotic that binds to the 30S subunit of the bacterial ribosome, inhibiting protein synthesis. Bacitracin inhibits bacterial cell wall synthesis. This combination provides broad-spectrum antibacterial activity against both gram-positive and gram-negative bacteria.

Indications
  • Bacterial skin infections (impetigo, boils, infected wounds)
Therapeutic class

Topical Antibiotic

Pharmacological class

Aminoglycoside + Polypeptide

Pharmacology

Neomycin is an aminoglycoside antibiotic that binds to the 30S subunit of the bacterial ribosome, inhibiting protein synthesis. It is active against gram-negative aerobes and some strains of staphylococci. Bacitracin inhibits bacterial cell wall peptidoglycan synthesis and is active against gram-positive bacteria.

Mechanism of action

Neomycin binds to the 30S subunit of bacterial ribosomes, inhibiting protein synthesis. Bacitracin inhibits bacterial cell wall peptidoglycan synthesis.

Dosage

Adults and Children:

  • Cream: Apply to affected area 3 times daily
  • Powder: Apply to affected area 2-4 times daily
Administration

For external use only. Clean and dry the affected area before application. Apply a small amount of cream or powder to the affected area. Wash hands after application.

Missed dose

If you miss a dose, apply as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose.

Side effects
  • Allergic contact dermatitis (60%)
  • Application site burning
  • Itching
  • Redness
Precautions & warnings
  • Avoid application in large quantities and prolonged use
  • Caution during pregnancy and lactation
  • Caution in liver and renal impairment
  • Avoid contact with eyes, nose, or mouth
Contraindications
  • Hypersensitivity to aminoglycosides
  • Pre-existing nerve deafness
  • Neonates and infants under 2 years
Drug interactions
  • Bacitracin Zinc: Increased nephrotoxicity risk with other nephrotoxic drugs; may enhance neuromuscular-blocking agents
  • Neomycin Sulphate: Additive nephrotoxic and neurotoxic effects with other aminoglycosides, cisplatin, vancomycin, amphotericin B, polymyxin B, colistin; enhanced toxicity with potent diuretics; may reduce efficacy of oral contraceptives
Food interactions

No food restrictions (topical application).

Use in pregnancy

[CONSULT YOUR DOCTOR] Limited safety data during pregnancy (Category C). Use only if clearly needed and under medical supervision.

Pregnancy Category: C — always consult a doctor before taking during pregnancy.

Use in lactation

[CONSULT YOUR DOCTOR] Excretion in breast milk is unknown. Use with caution in nursing mothers.

Pediatric use

Contraindicated in neonates and infants under 2 years. For children over 2 years, adult dosage applies.

Geriatric use

No dose adjustment needed for elderly patients.

Renal / hepatic impairment

Caution in liver and renal impairment. Systemic absorption with topical application is minimal, but caution is advised in severe impairment.

Overdose effects

Overuse may cause systemic absorption and toxicity. Consult a doctor if symptoms occur.

Storage conditions

Store in a cool and dry place, protected from light. Keep out of reach of children.

Chemical structure

Bacitracin Zinc + Neomycin Sulphate

Common questions

What is this ointment used for?
It is used for bacterial skin infections such as impetigo, boils, and infected wounds.
How should it be used?
Clean and dry the affected area, then apply a small amount of cream or powder 2-4 times daily.
What are the side effects?
Allergic contact dermatitis, burning, itching, and redness may occur.
Who should not use this medicine?
Patients allergic to aminoglycosides, those with pre-existing nerve deafness, neonates and infants under 2 years.
Can it be used during pregnancy?
Category C. Consult your doctor before use.
⚠️ This information is for educational purposes only — not a substitute for medical advice. Consult a registered physician before taking any medicine.