Overview
Bacitracin zinc ointment is a topical antibiotic used as a first aid treatment to help prevent infection in minor skin injuries such as scrapes, cuts, and burns. It contains bacitracin zinc as the active ingredient and is applied externally to the affected skin area.
What is it used for?
This ointment is used to prevent infection in minor wounds, including:
- Scrapes
- Minor cuts
- Burns
Active ingredients
Bacitracin Zinc 500 units
How it works
Bacitracin works by interfering with the bacteria's cell wall synthesis, which helps stop the growth of bacteria on the skin. By applying it directly to the wound, it reduces the risk of infection in minor skin injuries.
Dosage and administration
Directions for use:
- Clean the affected area before applying.
- Apply a small amount of the ointment, about the size of the tip of a finger, onto the affected area.
- This can be done 1 to 3 times daily.
- The treated area may be covered with a sterile bandage if desired.
Contraindications
Do not use if allergic to bacitracin zinc or any other ingredients in the ointment.
Warnings and precautions
Important warnings:
- For external use only.
- Do not use in the eyes.
- Do not use if allergic to any ingredients.
- Do not apply over large areas of the body.
- Do not use for longer than 1 week unless directed by a doctor.
- Consult a doctor before use if you have deep or puncture wounds, animal bites, or serious burns.
- Stop use and seek medical advice if symptoms worsen, persist for more than 1 week, or if a rash or allergic reaction develops.
Side effects
Side effects may include local allergic reactions such as rash or irritation. If an allergic reaction occurs, stop use and consult a healthcare provider.
Storage
Store at room temperature between 15° to 25°C (59° to 77°F).
Manufacturer(s)
Medical references
- U.S. National Library of Medicine – DailyMed
- Official prescribing information
- Other authoritative medical references, where applicable
References are used to support the medical information presented on this page.
Medical information disclaimer
The information on WikiDrug is provided for educational and informational purposes only. It is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about medication use.
Last updated November 3, 2026