How to relactate?

Question can u lactate milk after 4 years of not producing any I just got my birth control taken out in October and had my first period after a couple days ago and I noticed that my breast was leaking just a little has this happened to anyone (back story) about 4 years ago I had tore a artery to my brain and had to be put on blood thinners and couldn’t breastfeed anymore so my milk dried up