I Sprained My Left Ankle 3 Days Ago I Was

I sprained my left ankle 3 days ago i was chasing my 5 year old at the park playing tag when i leaped off a step i felt it twist but seemed ok the an hour later i sat down and could not get back up so i wraped iced it and elevated it swelling has gone down some now on day 3 but over my ankle its all red with like spider red vains coming out should i get this looked at or will i be fine its also ichy