What are Tonsil Stones, Symptoms, and How to Get Rid of Them? Tonsil stones are those small, pebble-like lumps that form in your tonsils. They’re made of food particles, bacteria, and hardened minerals like calcium. Although bad breath is the primary symptom, some people also experience additional issues including coughing or sore throats. Although not often problematic, if they start bothering you, a doctor can help remove them. Have you ever noticed or dealt with tonsil stones before? Or is th