Dude, finger still swollen after 6 weeks cannot be good. Might want to get that checked out... Of course, I don't follow such sage advice 99% of the time, so no judgement if you let it heal how it may.
That said, I'm a huge fan of arnica salves, especially those made by this local company:
https://www.etsy.com/shop/MettaEssentialsSadly, I go through a few bottles each year and wish the owner would just sponsor me already. But it genuinely helps with easing inflammation and speeding up recovery, whether from an acute injury or just noodled arms/shoulders during a surf trip.