TETANUS 3

CLINICAL MANIFESTATIONS
The usual incubation period for tetanus is from 7 to 10 days
after injury.
It may even occur as late as 30 days.
- The first symptom is usually lock-jaw (Trismus) and is followed
by spasms in different parts of the body leading to difficulty in
swallowing and stiff neck.
- Pain and tenderness may also be felt at the site of the
original injury.
- There may be accompanying tachycardia and fever.
- Increased excitability to all stimuli including noise sets off
tonic (continous) and clonic (intermitant) spasms.
- In the late period,the patient has tonic spasm of the facial
muscles (risus sardonicus) and the posterior trunk muscles
(opisthotonus).
Death results from
* exhaustion
* toxaemia
* respiratory infection and
* respiratory failure

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