What are the dangers of a tetanus shot?

The DTaP vaccine and Tdap vaccines are associated with a range of well-known side effects. They range from mild to severe. These risks include seizures, permanent brain damage known as encephalopathy and or encephalitis, bleeding disorders, harmful allergic reactions, pain and stiffness of the joints.

What happens if you don't get a tetanus shot?

If you don't receive proper treatment, the toxin's effect on respiratory muscles can interfere with breathing. If this happens, you may die of suffocation. A tetanus infection may develop after almost any type of skin injury, major or minor. This includes cuts, punctures, crush injuries, burns and animal bites.