Pulled muscles

Okay mamas  I am in some severe pain! I think I pulled a muscle on my right side just below my rip cage. Anything that requires using abdominal muscles hurt and when I sneeze or cough which is almost always bc of my severe allergies I am in tears! My OB nurse is talking to my dr and going to call me back, and I had the physical therapy dept. at my work tape my side but nothing helps. Any suggestions? I feel like the ER wouldn't be helpful?