I would say yes. Sounds like
Kindling.
Best thing for you to do if it's causing issues is to just quit completely and then give it a few months. I really didn't feel like myself for almost a year, though I did feel quite a bit better at 3-4 months.
30 units is well above the recommended level for a week's worth of alcohol, let alone in one drinking event. About four times the recommended level for a woman for a whole week - there are going to be consequences to binge drinking.
Give it a chance. I think it takes a very long time for the body to completely heal. Good nutrition and exercise helped me quite a bit.