Swollen for three days and all you've done is look on the internet?

That would be bad enough, but to top it off you come from a country with socialised healthcare. You, or your taxpaying neighbour has already paid for it so I suggest you make the most of the local healthcare facilities. If it is fractured and you have had no treatment plus you're doing weights on it, there could be long term damage. I once let a big fracture heal for 8 weeks but it still hurts from time to time, 8 years later. Hands are the fighters most important assetts. Get them treated!