How Can Discomfort In The Chest Be Managed After Getting Treated For Night Sweats, Elevated Heart Rate, Fever And Chills?

Hello. I got tetanus from a sandal full of nails. I developed night sweats, high heart rate, fever/ chills, and my spine became misshapen. I was treated with antibiotics. Every thing got better except I keep getting a gnawing feeling on my heart. Pls help