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How can you know if you have food sensitivity?

July 10 / 2025

food sensitivity

 

 

     Food sensitivity (IgG-mediated) differs from an acute food allergy (IgE-mediated) in that symptoms do not appear immediately after exposure to allergens. While acute food allergies trigger an immediate immune response upon contact with the allergen, food sensitivity leads to a delayed response. Symptoms may gradually manifest over time, often becoming chronic without the individual knowing the cause.

 

 


These symptoms vary from person to person and may appear several days after consuming the problematic food, making it difficult to identify the specific trigger.

 

The Following Symptoms 

If you experience any of the following symptoms, you may be at risk of food sensitivity:

  • Migraines or headaches
  • Nausea or vomiting
  • Coughing, sneezing, asthma, or difficulty breathing
  • Constipation, diarrhea, or irritable bowel syndrome (IBS)
  • Unexplained weight gain or body swelling
  • Skin rashes or hives

 

Common Food Groups Associated with Food Sensitivity

  • Gluten
  • Processed grains
  • Legumes
  • Whole grains
  • Fruits
  • Vegetables
  • Egg and dairy products
  • Meats
  • Seafood
  • Herbs, spices, and seasonings
  • Other items such as black tea, coffee, baking powder, etc.

 

Testing for Food Sensitivity

     Food sensitivity testing involves detecting IgG antibodies in response to specific foods consumed. If elevated IgG levels are found, it is recommended to limit or eliminate the intake of the corresponding food. The elimination period may range from 3 days, 1 week to at least 3 months, depending on the IgG concentration detected.

 

 

Reintroduction of the food can be considered afterward. Reducing or removing foods that provoke an excessive immune response can lead to significant improvement or complete resolution of chronic symptoms.

 

 

 

food sensitivity

food sensitivity

food sensitivity

food sensitivity

food sensitivity

food sensitivity

food sensitivity

food sensitivity