It's odd that the injectable Tylan was too expensive because Tylan 50 usually costs around $14 for a vial, then you would need several syringes and needles. It can be given orally as well as the preferred method by injection. Tylan Powder for putting in water is very expensive at about $55 or so. The pox infection itself is a virus that won't respond to antibiotics, but any bacterial infections should respond. Your vet could write you a prescription for something stronger. Enrofloxacin is similar to Baytril. Sulmet which most feed stores carry is a sulfa drug that treats coryza which can cause the bad odor and eye swelling. Without a culture, it's guesswork on what it is. Be sure and get some probiotics for her to help the good bacteria in her intestines. Here is a link for Tylan 50 to show you the price: http://www.valleyvet.com/ct_detail....an 50|pmt|e|&gclid=CPnA45qL-8ECFRAF7AodoloAIw