U.S. doctors online nowAsk doctors free
A 22-year-old female asked:

I have been putting polysporin (bacitracin and polymyxin) on a burn for the past 3-4 days. just realized it expired in 2007/2008. is this in any way dangerous?

1 doctor answer2 doctors weighed in
Dr. Arthur Balin
Dermatology 47 years experience
Polysporin (bacitracin and polymyxin): The outdated polysporin (bacitracin and polymyxin) will not hurt you and will be fine to use. Many expiration dates are not scientifically valid. Think of it as an expiration date on a bar of soap.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
Last updated Sep 20, 2016

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.