Why do tetanus shots hurt so bad?

It can cause a painful death and indeed does cause infant deaths by infecting belly button stump. Tetanus shots hurt cuz youre have an immune response at the injection site meaning it's working. Your immune response wares off overtime so you need boosters. read more

There are a few theories, but no single definitive answer. The nature of the tetanus bacteria itself may have something to do with the amount of pain you experience. Tetanus bacteria live in anaerobic environments, which means places with little to no oxygen. read more

Tetanus shots hurt cuz youre have an immune response at the injection site meaning it's working. Your immune response wares off overtime so you need boosters. Too frequent boosting can lead to nasty reaction at administration site. read more

They usually aren't so bad at first, but after an hour or so the injection point is usually really tender and this lasts (on me at least) for a couple of days. read more