Do topical antibiotics contribute to the "superbug" problem?

Topical antibiotic ointments such as bacitracin & neomycin are easily available OTC.

Is there some particular reason why antibiotics can be applied externally without a prescription but not internally? Do topical antibiotic ointments not contribute to the super bug problem?

Antibiotic Ointments May Fuel Resistance and Spread of MRSA.

Flesh-Eating Bacteria’s Rise Tied to Antibiotic Cream. This article is about MRSA as well, but it has a much more entertaining title. The articles establish concerns but not rock solid evidence. Nonetheless, it is advised to thoroughly clean minor wounds and not rely solely on triple anti-biotic ointment.

What about Triclosan in toothpaste?

I’m curious too.