Usually, the tetanus we talk about is a specific infection caused by the toxins produced by Clostridium tetani entering the body through the damaged skin and mucous membranes. Tetanus has some early symptoms and some characteristic symptoms during an attack. Early symptoms mainly include dizziness, headache, fatigue, decreased appetite, difficulty in chewing, some soreness in the jaw muscles, cyanosis of some muscles, or some reflexive muscle pain. If the condition worsens, it can enter a convulsive phase, characterized by lockjaw, difficulty in opening the mouth, a sardonic smile, and stiffness of the neck.