Back pain. Help!!!

Abigail • Mother to 4 beautiful kiddos Izabella 7|7|2015 , Selena 10|14|17 , Damian 9|24|19 , Vincent 2/25/2023 💛
I have the worst back pain, every time I walk on my right leg I feel the pain on the right side of my lower back, its been going on for a week now. What could I do to alleviate the pain. I've tried Tylenol, doesn't work :(