My DD got glue ear shortly after her 12 month immunisation. We didn't have to use antibiotics (thankfully). Instead, our GP put DD on 2 doses of Dimetapp (morning and night) for a week. Worked a charm, or so it seems. I think DD's was fairly mild though as some seem to get it so bad.
The main issue we had is that any loud noises like other babies crying would really hurt DD's ears. Other than that, she didn't seem too bothered by the glue ear.
I hope your bubs are going well and that they too, get over it quickly.
DD is 3yr 8 months - DS is 6 months