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Beware of the Heat!... Food Poisoning: What Symptoms? When to See a Doctor!!

July 10 / 2025

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     Food poisoning is a danger that can happen to anyone, of any age, especially in hot climates like Thailand where pathogens thrive. Most patients typically experience symptoms like diarrhea, vomiting, and dizziness.

 

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Food poisoning

     Food poisoning occurs from consuming contaminated food or water, such as bacteria, viruses, or parasite eggs found in food like overnight dishes, undercooked meat, or dirty drinking water. When the body is infected with these pathogens, it tries to expel them, resulting in various symptoms. The severity varies depending on the type and amount of pathogens ingested, as well as the individual's health.

 

 

 

 

 

 

The Cause of Food Poisoning

     Food poisoning does not only manifest as diarrhea; some patients may experience additional symptoms such as headaches, vomiting, abdominal pain, dry throat, headache, and fever. Symptoms often occur immediately after eating or within 4-30 hours afterward. Generally, food poisoning is not severe and can resolve on its own within 24-48 hours with basic treatment such as:

 

  • Drinking oral rehydration solution (ORS) to prevent dehydration and electrolyte imbalance.
  • Avoiding spicy, dairy, or fruit foods.
  • Eating well-cooked, clean, and easily digestible foods.
  • Drinking plenty of clean water, resting, and avoiding strenuous activities.

 

Seek Medical Attention After Symptom Occurences

  • Persistent diarrhea or bloody mucus, high fever, weakness.
  • Continuous vomiting with blood.
  • Sunken eyes, weak muscles, difficulty breathing.

 

The Preventions

     During hot weather, follow the principle of "Eat hot, medium spoon, clean hands." Choose freshly cooked foods, avoid overnight dishes or raw foods, drink clean water, and use a shared spoon when eating together. Most importantly, wash hands thoroughly before every meal. These preventive measures can reduce the risk of food and waterborne diseases, including food poisoning.