What Is The Best Way To Proceed And Heal Properly From Intermittent Pain At The Ribs After A Cracking Sound Post Injury?

hi there, i believe that i cracked my ribs on my left side when my nephew jumped on me and i heard a crack or snap of some sort. i have pain getting in and out of bed and in and out of my car. i can breath without pain but coughing, sneezing, and laughing is a bit uncomfortable. i haven t gone into the doctor because i ve heard not alot can be done with this injury. what is the best way to procede and heal up properly? thanks.