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Doctor insights on: Food Allergy

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Dr. Michael Zacharisen
569 doctors shared insights

Food Allergy (Overview)

Allergies usually mean there is a response like diarrhea, vomiting, hives, or anaphylaxis when that food is eaten. Other allergies can be more subtle and lead to chronic congestion, headaches, eczema, rashes, constipation, etc. Best answer- if concerned about a particular food eliminate it from your diet and see how you respond. You can also get allergy testing.


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How long does an food allergy rash reaction last for a baby?

How long does an food allergy rash reaction last for a baby?

Few days: Once the offending food is identified and removed from the diet, the rash should go away in a few days. Most likely this is not a true food allergy and is some sort of environmental irritant rash. ...Read more

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Dr. Michael Zacharisen
569 doctors shared insights

Food Allergy (Overview)

Allergies usually mean there is a response like diarrhea, vomiting, hives, or anaphylaxis when that food is eaten. Other allergies can be more subtle and lead to chronic congestion, headaches, eczema, rashes, constipation, etc. Best answer- if concerned about a particular food eliminate it from your diet and see how you respond. You can also get allergy testing.


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Are swollen lymph nodes in the neck a symptom of food allergy? I have swollen lymph nodes in my neck several hours after eating chocolate.

Are swollen lymph nodes in the neck a symptom of food allergy? I have swollen lymph nodes in my neck several hours after eating chocolate.

No: It is unlikely to be a symptom of food allergy by itself. But you need to have your swollen glands evaluated by your doctor to determine what is causing them to swell. ...Read more

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Treating Skin Allergies (Tip)

Treating Skin Allergies

The detection of allergic antibody to a food by lab or skin test is not conclusive proof of allergy. ...See more

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What are the symptoms of food allergy?

What are the symptoms of food allergy?

Can vary: Ige mediated food allergy symptoms may include hives, swelling, vomiting, abdominal pain, difficulty breathing, and even drop in blood pressure. Symptoms typically occur within 2 hours of food ingestion. For more info go to foodallergy.Org. ...Read more

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What are signs of food allergies in toddlers other than the obvious signs such as breaking out in hives or having trouble breathing?

What are signs of food allergies in toddlers other than the obvious signs such as breaking out in hives or having trouble breathing?

Stomach symptoms!: Other than obvious signs such as breaking out in hives and having trouble breathing, which occur in rare cases, the frequent symptoms of food allergy are the less serious cases of vomiting, abdominal cramps, diarrhea, and exacerbation of eczema. ...Read more

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Treating Skin Allergies (Tip)

Treating Skin Allergies

Allergy shots, if given at appropriate doses, can cure allergies. ...See more

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Treating Food Poisoning (Checklist)

Go to ER/call Poison Control Center for antidote for serious cases
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If you're vomiting nonstop, go to the ER
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If you have diarrhea, eat something to stop water loss
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If you have excess dehydration, go to the ER for IV fluids
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What is a food allergy?

What is a food allergy?

Reaction to a food.: People can become allergic to many substances including certain foods. Some foods are more likely, such as milk, egg, wheat, soybean, shellfish, peanut, or nuts. Reactions can range from rash and itching to anaphylactic shock. ...Read more

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What does an allergist or an immunologist do to diagnose food allergies?

What does an allergist or an immunologist do to diagnose food allergies?

A logical approach: The allergist takes a detailed history & then performs a physical examination. Rather than screening food allergy tests more likely to reveal false positives the allergist prefers, when possible, to perform tests relevant to your history. They may be skin or blood tests, sometimes both. If the diagnosis is uncertain oral challenges are performed in a safe setting with appropriate safeguards. ...Read more

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Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


Dr. Heidi Fowler
3,408 doctors shared insights

Nutrition (Definition)

Nutrition is the synergistic combination of nutrients found in food and water that allows the human body to perform all essential ...Read more