mommies I need help when I had my son i pumped for a couple of months then couldn't keep my supply…

mommies I need help when I had my son i pumped for a couple of months then couldn't keep my supply up but anyways I havnt pumped since my son was a month and a half old he is almost 8 months now and I thought i dried up but now I am starting to leak milk again and my breast r hurt like no other what can I do to help with the pain?????