How to get rid of this small bump near injection site? (Photo)

I got .5 of restalyn kyss filler in my lips about 3 months ago. Recently I've noticed I have this tiny bump on my upper lip (circled in picture). when i add my lip liner it looks weird because the bump is raised. I was going to try to pop it but I'm not sure what it is and i don't want a scar. What do you recommend I do to it or put on it to make it go away? I wear lipgloss and liner daily so wouldn’t be surprised if it isn’t related to the injection and is just a pimple. Is this common?