I had an ingrowing toe-nail on my big toe several years back and had the nail cut in a way so it wouldn't cause me problems in the future.
I've never had any pain since, until last month but only for a few days. It felt like the pain you get with an ingrowing toe-nail but the nail was fine.
Anyway, I changed from leather shoes to suede ones and the pain went.
Could it be a bout of gout? I also had a dull ache on the top of the same toe too.