• Tetanus, also known as Lockjaw, is an infection characterised by muscle spasms. It is called Lockjaw because the infection often causes muscle contractions in the jaw and neck.
• It is caused by bacterium clostridium tetani which is found in soil, saliva and dust.
• The tetanus bacteria often enters the body through a puncture wound, which can be caused by nails, splinters, insect bites, burns, skin break, and injection-drug sites.
• They produce staph toxins that interfere with muscle contractions resulting in symptoms like spasms, fever, headache, trouble in swallowing, high blood pressure, and sweating.
• The onset of symptoms is typically 3 to 21 days following the infection.

Source:TH