well, the folks on this forum seem to think that Tylan50 would help my latest outbreak of something, I guess some respiratory thing that also shows up with huge swelling of the eye. I ordered the Tylan on Sunday, guess it wont get here earliest on at Friday... My BSL is quarantined and is still doing pretty well relatively speaking, the swelling is bad and constant but she is still eating and running around. the tetracyclene doesnt seem to do anything at all for whatever she has. She has been sick for almost a whole week so it will be two good weeks till the Tylan shows up. I hope she is that tough to be well enough to respond to the meds when they arrive... its a nail biter....