What to do friction burn?

Cynthia • I`m 33 my Husband is 37 we have 2 beautiful baby girls, and have 2 fur babies. First daughter conceived IUI. Second daughter is a miracle.
I fell down like 4 steps the other day on my but and drug my elbow on atleast 2 of them I have a nice friction burn that's bothering the crap out of me. What should I do to help it heal and stop stinging off and on?