askvity

Why Do Apples Hurt My Mouth?

Published in Food Allergy 3 mins read

It's likely you're experiencing oral allergy syndrome when apples hurt your mouth. This common condition is a type of food allergy characterized by localized symptoms, usually triggered by certain raw fruits and vegetables.

Understanding Oral Allergy Syndrome (OAS)

Oral allergy syndrome, often linked to pollen allergies, causes immediate but usually temporary discomfort in the mouth and throat. Here's a breakdown:

Symptoms

According to the provided reference, symptoms of oral allergy syndrome from eating apples typically manifest quickly, within 5-15 minutes of eating the fruit. These can include:

  • Itching of the mouth and throat
  • Itching, redness, and swelling of the lips

Importantly, these symptoms usually resolve within 15 to 60 minutes.

What Causes It?

OAS occurs due to cross-reactivity. The proteins in certain raw fruits and vegetables (like apples) are similar to the proteins in pollen. When someone with a pollen allergy consumes these fruits, their immune system mistakes the fruit proteins for pollen, triggering an allergic response.

Why Apples Specifically?

Apples are one of the most common triggers for oral allergy syndrome. The specific proteins in apples, particularly those in the skin, often mimic pollen proteins. This is why some people react more strongly to the skin of the apple than the flesh.

What You Can Do

If you experience mouth discomfort when eating apples, consider the following:

  • Cook the Apples: Cooking can often denature the problematic proteins, reducing or eliminating the allergic reaction. Try applesauce or baked apples.
  • Peel the Apples: Removing the skin may help as most of the reactive proteins are often concentrated there.
  • Antihistamines: Over-the-counter antihistamines can help manage symptoms if they are not too severe, however, consulting a doctor is always recommended.
  • Allergy Testing: Consider allergy testing to determine what you're reacting to, which can be helpful for management.

Summary

Symptom Timing Duration Cause
Itching of mouth/throat Within 5-15 minutes of eating 15-60 mins Cross-reactivity to pollen proteins
Lip redness/swelling Within 5-15 minutes of eating 15-60 mins Cross-reactivity to pollen proteins

In conclusion, if apples cause mouth discomfort, you're likely experiencing oral allergy syndrome due to the similarity between apple proteins and pollen proteins.

Related Articles