Before anyone prescribes antibiotics they need make sure the problem is in fact bacterial and not viral (it can be one or both). Viruses cannot be treated with antibiotics and there are some common viruses in the hobby. Nidovirus/Serpento Virus and Paramyxovirus to name a couple.
At this point, the eggs are irrelevant compared to her health. Given the symptoms, you’re probably not going to get good eggs anyway without a lot of luck. Her body is responsible for a lot, if it’s under attack, it isn’t doing all of it’s jobs properly.