Food Poisoning

What is Food Poisoning?

Food poisoning is an illness caused by eating contaminated food. In most cases, the food that causes the illness has been contaminated by bacteria or virus.

1.Infectious agents

A.  E.coli –in

undercooked hamburger,

unpasteurized apple juice


raw milk

contaminated water /ice

vegetables fertilized by cow manure

spread from person to person

B.  L. monocytogenes— in

  • Cole slaw
  • dairy products (mostly soft cheeses)
  • cold, processed meats

C.  Salmonella spp.- in

  • poultry
  • Beef
  • Eggs
  • dairy products

D.  Shigella spp.—in

  • raw vegetables
  • cool, moist foods ( potato, egg salads)

E.  S. aureus— in

  • salad dressing
  • ham
  • eggs
  • custard filled pastries
  • mayonnaise
  • potato salad

F.  C. jejuni — in

  • raw milk
  • chicken

G.  C. botulinum — in

  • improperly home canned foods (honey, corn syrup)

H.  C. perfringens—  in

  • meat
  • poultry dishes
  • gravies
  • foods (cooked for more than 24 hours)  not reheated well enough

I.  V. cholera—-  in

  • two shelled shellfish ( mussels, clams, oysters, and scallops)
  • raw shellfish
  • crustaceans ( lobsters, shrimp, and crabs)

2. Toxic agents.

Poisonous mushrooms (Amanita phalloides)

Improperly prepared exotic foods

Pesticides on fruits and vegetables

3. Contaminated food

Poor sanitation

Poor preparation

Improperly packaged food stored at the wrong temperature

4. Fish poisoning

Scombroid poisoning

Bacteria in dark meat fish ;tuna, bonito,skipjack,mahi-mahi, mackerel

Ciguatera poisoning in tropical fish grouper, surgeon fish, snapper, barracuda, moray eel, shark

Puffer fish poisoning
Organs and flesh of puffer fish

Shellfish poisoning

5. Diseases

Chronic kidney failure

Liver disease


Sickle cell anemia

6. Medication—



Steroid medicines

7. Weak immune system

8. Pregnant women

9. Age 65 and above

10. Traveling in contaminated area

Food poisoning Sign & Symptoms–

A. General–

  1. Nausea
  2. Vomiting
  3. Abdominal cramps
  4. Diarrhea
  5. Head or muscle aches
  6. Fever

B. Specific–

A.  C.botulinum(botulism)


Blurred vision

Sensitivity to light

Double vision

Paralyzed eye nerves

Difficulty speaking and swallowing

Paralysis that spreads downward

Respiratory failure


B.  Salmonella, Shigella spp., C. jejuni—



Bloody diarrhea

C. E. coli—

               hemorrhagic colitis occurring up to 3 days after eating contaminated food

D. Mushroom poisoning—

Stomach upset


Vision difficulties

Heart muscle problems

Kidney failure

Death of liver tissue

Death (if left untreated)

E.  Fish poisoning—




Abdominal pain



F. Ciguatera –

Numbness or tingling around the mouth

Feeling of loose teeth

Impaired touch sensation( hot as cold and cold as hot)


Muscle and joint pain

Slow heart rate

Low blood pressure

G. Pufferfish poisoning—

Numbness or tingling around the mouth

Trouble coordinating movement

Difficulty swallowing

Excess saliva


Loss of ability to talk


Paralysis that spreads upward

Respiratory failure


H.  Shellfish poisoning –

Numbness or tingling around the mouth or in the arms and legs

Trouble swallowing

Difficulty speaking

Food Poisoning Tests—

  1. Vitals Examination

Blood pressure


Breathing rate


2. Rectal examination

3. Urine examination

4. X-Ray (abdomen)

5. CT scan

Food Poisoning Treatment–

Replace fluids and electrolytes (such as sodium, potassium, magnesium, and chloride).

Stomach lavage/pumping the stomach


Food Poisoning Complications–

White blood cell problems and kidney problems(shigellosis)

kidney problems and bleeding problems( coli infection)

Respiratory failure (botulism)

Reiter syndrome and inflammation of the heart lining (salmonellosis)

Guillain-Barré syndrome (campylobacteriosis) 

Food Poisoning Prevention—

Wash hands and clean any dishes or utensil( preparing and serving food)

Keep juices from meat, poultry, and seafood away from ready to eat foods.

Cook food to proper temperatures.

Promptly refrigerate any food no to be eating right away.

Dispose of diapers carefully

Follow proper canning techniques(if making canned food at home) 

Don’t eat wild mushrooms.

When traveling where contamination is more likely, eat only hot, freshly cooked food. Boil water before drinking.

 Don’t eat raw vegetables or unpeeled fruit.

Always refrigerate fish.

Don’t eat tropical fish caught during blooms of poison plankton.

Don’t eat shellfish exposed to red tides.

25 thoughts on “Food Poisoning”

  1. This post truly made my day. You cann’t imagine simply how much time I had spent for this info! Thanks!

  2. I like the helpful information you supply in your articles.
    I will bookmark your weblog and take a look at again here
    regularly. I’m moderately certain I’ll be informed plenty of new stuff proper right here!
    Best of luck

  3. I siomply couldn’t leave your site before suggesting that I extremely
    loved the standard info a person supply for your visitors?
    Is gonna be back ceaselessly to checdk out new posts

  4. certainly like your website but you need to check the spelling on several of your posts. Many of them are rife with spelling problems and I find it very troublesome to tell the truth nevertheless I’ll certainly come back again.

  5. Thanks for the sensible critique. Me & my neighbor were just preparing to do some research on this. We got a grab a book from our area library but I think I learned more from this post. I am very glad to see such wonderful information being shared freely out there. Greetings from Decaar Türkiye

  6. Hi this is kind of of off topic but I was wanting to know if blogs use WYSIWYG editors or
    if you have to manually code with HTML. I’m starting a blog soon but have no coding
    skills so I wanted to get guidance from someone with experience.
    Any help would be greatly appreciated!

  7. Having read this I believed it was rather informative.
    I appreciate you spending some time and effort to put this
    short article together. I once again find myself spending a lot of time both reading and commenting.
    But so what, it was still worth it!

  8. It’s really a nice and helpful piece of information. I’m glad that you shared this helpful info with us. Please keep us informed like this. Thank you for sharing. Greetings from Decaar Türkiye

  9. The details you have supplied is motivating. I would certainly have thought it would certainly be far more challenging to recognize. You have handled to offer a lot of details and I value the effort you have actually taken into your research study. I make certain that concur with me. Thanks.

  10. There is definately a lot to find out about this issue. I love all of the points you made.|

  11. Muchos Gracias for your article.Much thanks again. Great.

  12. I blog often and I truly appreciate your information. Your article has truly peaked my interest. I will book mark your blog and keep checking for new information about once per week. I subscribed to your RSS feed too.

  13. Howdy! I simply wish to give you a big thumbs up for the excellent information you have got right here on this post. I’ll be coming back to your blog for more soon.

  14. It’s hard to find knowledgeable people on this topic, but you sound like you know what you’re talking about! Thanks

  15. When I initially commented I seem to have clicked on the -Notify me when new comments are added- checkbox and now whenever a comment is added I recieve four emails with the same comment. Perhaps there is a way you are able to remove me from that service? Thank you!

Leave a Comment