FOOD ALLERGIES VS FOOD SENSITIVITIES: WHATS THE DIFFERENCE? BY MADIHA
Aug 4
2 min read
I am Madiha a nutritionist at The Kenko Life.
Not all reactions to food are the same and knowing the difference between a food allergy and a food sensitivity is key for understanding your body and staying safe. While both can cause discomfort, the causes, symptoms, and severity are very different.
What is a Food Allergy?
A food allergy is an overreaction of the immune system. When your body mistakes a certain food as harmful, it launches an immediate attack usually involving IgE antibodies.
This reaction can be instant and severe and even life-threatening. Just a small amount of the allergen can trigger symptoms like:
Hives, itching, or swelling
Wheezing or difficulty breathing
Vomiting or diarrhea
Low blood pressure
Common food allergens include peanuts, tree nuts, milk, eggs, fish, shellfish, soy, and wheat.
What is Food Sensitivity?
Unlike allergies, a food sensitivity or intolerance doesn’t involve the immune system. Instead, it usually affects the digestive system. These reactions are more delayed, showing up hours or even days after eating the food.
While food sensitivities aren’t dangerous, they can still make you feel awful.
Symptoms may include:
Bloating or gas
Stomach pain
Headaches or migraines
Brain fog
Fatigue
Common food sensitivities include lactose, gluten (in people without celiac disease) etc.
The Key Differences : Food Allergy and Food Sensitivity
1. Cause
Allergy: Immune system reaction
Sensitivity: Digestive issue (not immune-related)
2. Reaction Time
Allergy: Happens quickly (within minutes)
Sensitivity: Happens slowly (hours to days)
3. Severity
Allergy: Can be life-threatening
Sensitivity: Not life-threatening, but uncomfortable
4. Amount Needed to Trigger
Allergy: Even a small amount can cause a reaction
Sensitivity: Often needs a larger amount to cause symptoms
5. Symptoms
Allergy: Hives, swelling, trouble breathing, vomiting
Sensitivity: Bloating, gas, headache, fatigue
Understanding the difference between food allergies and sensitivities can help you better manage your health. If you suspect either, it’s best to track your symptoms and consult a healthcare professional.