If they are air filled, it is due to an air leak that can happen during strenuous fighting. The solution is to lance the swollen air and let it escape. Some people will also give antibiotics in case of secondary infections.
They feel soft and smushy
Don't lance it unless it feels like it is full of air, although getting it to bleed a little can speed up the healing process.
It is leaking clear stuff from this one spot on the top side what could that be
My guess is blood serum minus any blood cells.
