Hi I Alredy Know I Have A Bad Soft Tissue

hi I alredy know I have a bad soft tissue injury to my right foot I am only 13 but I cant put any weight on it and it swells up with a little bruising it has been 2 weeks now and I am on crunches with daily pain reliever I slipped due to wet flooring and banged my foot again it swelled up again and I put ice on it I couldn't feel the ice though what should I do.whats wrong with my foot did I make it worse or is it a different injury