Diphtheria
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Transcript of Diphtheria
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Diphtheria is an acute bacterial disease that can infect the
body in two areas: the throat (respiratory diphtheria) and the skin (skin or cutaneous diphtheria).
The diphtheria bacterium can
enter the body through the nose
and mouth. However, it can also
enter through a break in the skin.
It is transmitted from person to
person by respiratory secretions
or droplets in the air. After being
exposed to the bacterium, it
usually takes 2 to 4 days forsymptoms to develop.
Respiratory diphtheria
· breathing difficulty
· husky voice
· enlarged lymph glands
· increased heart rate
· stridor (a shrill breathing sound heard on
inspiration)
· nasal drainage
· swelling of the palate (roof of the
mouth)
· sore throat
· low-grade fever
· malaise
Skin (cutaneous) diphtheria With
this type of diphtheria, the
symptoms are usually milder and
may include yellow spots or sores (similar to impetigo) on the skin.
Symptoms
Diphtheria Clinical Features
Incubation period 2-5days (range,1-10days)
May involve any mucous membrane
Classified based on site of infection:
*anterior nasal
* pharyngeal and tonsillar
*laryngeal
*cutaneous
*ocular
*genital
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Treatment. The antitoxin, injected
into a vein or muscle, neutralizes the
diphtheria toxin already circulating in the
body. Before giving antitoxin, doctors
may perform skin allergy tests to make
sure that the infected person doesn'thave an allergy to the antitoxin.
Antibiotics. Diphtheria is also treated with antibiotics, such as penicillin or erythromycin. Antibiotics help
kill bacteria in the body, clearing up infections. Antibiotics reduce to just a few days the length of time thata person with diphtheria is contagious.
Children and adults who have diphtheria often need to be in the hospitalfor treatment.
Doctors may remove some of the thick, gray covering in the throat if thecovering is obstructing breathing.
Preventive treatments.If you've been exposed
to a person infected with
diphtheria, see a doctor for testing and possible treatment. Your
doctor may give you a prescription for antibiotics to help prevent
you from developing the disease. You may also need a booster
dose of the diphtheria vaccine. Doctors treat people who are
found to be carriers of diphtheria with antibiotics to clear theirsystems of the bacteria, as well.