Yes, Terramycin eye ointment can be useful and if that is not available, plain Neosporin or Triple Antibiotic Ointment is okay to use. Here is a link for an antibiotic to treat MG, but you might get it faster through your vet:
https://www.jedds.com/shop/tylan-soluble-100-g/
And another:
https://pigeonsuppliesplus.com/products/doxy-tylan-100-grams-pdr-pigeon-supplies-plus-line
https://www.jedds.com/shop/tylan-soluble-100-g/
And another:
https://pigeonsuppliesplus.com/products/doxy-tylan-100-grams-pdr-pigeon-supplies-plus-line
