Hello..I am 27 years old, 1 month back I scratches my feet ball point with safety pin,thought of any particles inside. But after that the size of small round size increasing day by day,now its 1 months,its paining and pale yellow liquid can be seen inside. .I shown to doctors, prescribe me ointment salicyic acid and chymoral forte tab. I use to gym n heavy pressure I put Ib feet,its paining n size increasing day by day. Pls suggested.