Wednesday, March 25, 2009

Symptoms of Salmonella poisoning

Typhoid worldwide. Image from Wikipedia

symptoms of Salmonella food poisoning appear after a few hours of ingestion of contaminated food (any type of food specially undercooked eggs, meat, chicken, milk and other dairy products and unclean vegetables and fruits.)

We have to remember that this is different from Typhoid fever. While Salmonella food poisoning is caused by the organism : Salmonella Typhimurium, Typhoid fever is caused by Salmonella Typhi.
They also differ in the symptoms and incubatory period of the organisms.

The clinical picture (symptoms) of Salmonella food poisoning are :
  • Vomiting.
  • Fever.
  • Diarrhea.
  • Colic.
  • Rash and headache in some cases.
It's diagnosed by stool and vomitus analysis where the organism can be found.

The infection is treated by antibiotics such as ciprofloxacin (3rd generation qiunolones) or chloramphenicol.
Dehydration may develope due to vomiting and diarrhea, in this case fliud replacement is indicated.


Typhoid fever symptoms:
The incubatory period for Salmonella Typhi is from one to two weeks. The course of the disease passes by 4 stages in 4 weeks:

  1. The 1st week:
    • Increasing fever (a step-ladder form) untill 40℃ (104 °F). This stage of the disease is characterised by what is called (relative bradycardia or Sphygmo-thermal dissociation). This means that the pulse rate remains low inspite of the high temperature. In other fevers, the pulse should increase by 10 with every 1 ℃ elevation of temperature.
    • Severe headache.
    • Constipation.
    • Sore throat and bleeding nose sometimes.
    • Bronchitis and lung rhonchi can be heard.
    • Splenomegally.
    • Excess sweating in sudoral type of typhoid fever.
    • Rose spot rash n some cases.

  2. The 2nd week:
    Symptoms get worse and the heart rate is accelerated (fever continues) spleen is more enlarged and diarrhea developes (or constipation sometimes).
    Deliruims and sometimes nervousness are frequent.

  3. The 3rd week:
    Recovery with treatment. The following complications may occur in untreated cases:
    • Intestinal perforation and haemorrhage.
    • Encephalitis and meningitis.
    • Loss of consciousness and twithces. (Typhoid State) which is characterized by delirium).
    • Endocarditis and osteitis.

  4. The 4th week:
    Complete cure. Relapses may occur.
Typhoid fever is Diagnosed by:

-Positive Widal test in the 2nd week with antiO and antiH antibodies.
-Leucopenia with relative lymphocytosis.
-Stool culture in the 2n week.

Tratment of typhoid fever:
  • Complete rest and easily digested food intake.
  • Antibiotics as Ciprofloxacin, Ampicillin, Chloramphenicol and Amoxicillin.
  • Antipyretics, analgesics.
  • Treatment of complications.

In addition to the mentioned symptoms of Salmonella, a reactive reaction in the joints may develope in some cases (Reiter's syndrome). It's also called reactive arthritis with joins pain and inflammation.


maxiVelasco said...

i remember many getting sick from salmonella poisoning years back. good thing that nowadays, people are aware of it and are already very cautious about what they eat.

take care friend!!!

thanks for visiting my blog...

Anonymous said...

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Anonymous said...

We just found out that Baytown TX and all the surrounding areas has salmonella poisoning in the water system and thankfully it's not as bad as it sounds it sucks"per say" but I was happy to ready your blog so we could learn a little bit about it as people are not really sure what to think because all they said was it was found in our water system! ~the end~ so it's nice of people like you to have things like this. nothing a little rest and percautions will not cure. thanks a million. ~citizen of baytown, tx

Sam said...

Salmonella (sal-muh-NEL-uh) is a type of bacteria often found in tainted food. The germs usually settle in your stomach and intestines and cause diarrhea. Salmonella infection usually stems from undercooked meat and poultry, raw eggs, or water containing live salmonella bacteria. Pet turtles and other animals can carry the bacteria. Infection can also spread from person-to-person.

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