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Doctor insights on: Seafood Allergy Rash

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4 mo boy exclusive breastfeeding. Has rashes on face every time when mom eats prawns or shell seafood. Allergy? Coincidence?

4 mo boy exclusive breastfeeding. Has rashes on face every time when mom eats prawns or shell seafood. Allergy? Coincidence?

No: Since breast milk does deliver some food allergens consumed by the mother, it is not a coincidence if this happens every time you ate shellfish. I would suggest that you avoid shellfish or discontinue breastfeeding. At age 4 months, it is also time to introduce table foods (no shellfish) to the child's diet since this may actually reduce the risk of developing yet more food allergies. ...Read more

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Dr. John Chiu
2,586 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


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Can a rash from getting a seafood allergy be painful?

Can a rash from getting a seafood allergy be painful?

No : The rash that one would get from a shellfish allergy should not be painful. It can be itchy and uncomfortable but not painful. ...Read more

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Rash all over body. Ate seafood, some for first time in Vancouver, BC, Canada , from Calgary,AB, Canada. No allergies. No fever. No nausea. Recommend?

Rash all over body. Ate seafood, some for first time in Vancouver, BC, Canada , from Calgary,AB, Canada. No allergies. No fever. No nausea. Recommend?

Antihistaminic: OTC to help control your symptoms for now, if no improvement or condition worsens, please go to ER or urgent care, avoid all sea food for now, also if you ate in a restaurant ask about any seasonings they might have added, keep a diary of what you ate, and fix an appointment with an allergist to sort it out, good luck ...Read more

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Could people with seafood allergy swim in the ocean?

Could people with seafood allergy swim in the ocean?

Enjoy your swim: Sensible people always swim with a partner, you can bring your medication just as you would if you were going to dine out, and if you start getting sick, do what you must. I've never heard of this being a problem. ...Read more

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Can someone with a severe seafood allergy swim in the ocean?

Can someone with a severe seafood allergy swim in the ocean?

Yes: The risk of an allergic reaction is typically with ingestion of the seafood or inhalation of steam from cooked seafood. There will not be enough protein exposure in the seawater to cause a reaction. ...Read more

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If I have a shellfish allergy what types of seafood can I eat?

If I have a shellfish allergy what types of seafood can I eat?

Shell less fish: Examples of fish or seafood that you could eat: tuna, salmon, herring, all other types of fish with scales. Avoid seafood that has shells or hard cases: oyster, clam, lobster, shrimp. ...Read more

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I have a severe allergy to shellfish, so i'm afraid of other seafood. Any advice?

I have a severe allergy to shellfish, so i'm afraid of other seafood.  Any advice?

Get tested: Get tested for lots of shellfish and fish. You may be negative to seafood items you like and are afraid to eat. Then bring a sample of food you want to eat to the allergist's office and have a challenge to be sure it's safe to eat it. Be sure to mention your allergy to any restaurant where you eat, and carry your epipen (epinephrine). A cooking spoon may cross-contaminate a dish, so safest place to eat is home. ...Read more

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Is my allergic reaction after exercising after seafood because of the exercise or seafood allergy?

Is my allergic reaction after exercising after seafood because of the exercise or seafood allergy?

Exercise induced: Food associated anaphylaxis is uncommon, but can happen. Wheat and shrimp are the most common culprits. Patients can eat the food without exercising, or exercise without eating the food and be fine. Be very careful to not eat shrimp within 4 hours of exercise and i would suggest not at all on exercise days. You should also see an allergist and have an Epipen (epinephrine) available. ...Read more

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If you have an allergy to fish does is increase your chances of having an allergy to shellfish or other seafoods?

If you have an allergy to fish does is increase your chances of having an allergy to shellfish or other seafoods?

Maybe a little: From an evolutionary point-of-view fish are closer to us than they are to crustaceans or mollusks. They share few similar proteins and so few similar allergens. Usually allergy to fish doe not mean allergy to shellfish. A few unfortunate people however are allergic to lots of foods. Hope that's not you. ...Read more

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Can I have developed an allergy to shrimp or is the seasoning the culprit? I have eaten seafood all my life including shrimp. I recently had some shrimp that i had an allergic reaction to. I beleive it was the seasoning i may have been allergic to.

Can I have developed an allergy to shrimp or is the seasoning the culprit? I have eaten seafood all my life including shrimp. I recently had some shrimp that i had an allergic reaction to. I beleive it was the seasoning i may have been allergic to.

Based : Based on your history of eating shrimp it is more likely the seasoning is the culprit. One other possibility is that the shrimp was spoiled. The only way to determine if you have a true allergy is to have a sensitivity test performed. ...Read more

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What medicine can help someone with a meat and seafood allergy?

What medicine can help someone with a meat and seafood allergy?

Best - don't eat: At this time, if you are truly allergic, the best thing would ber to void eating them. There is no medication that will completely prevent reactions and it also depends on what kind of reactions you have. As for seafood, are you allergic both to fish and crustaceans? If you haven't seen a board-certified allergist/immunologist you should. If no allergy is documented, you may have a G-I problem. ...Read more

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If someone has shellfish allergies, are they allergic to all seafood?

If someone has shellfish allergies, are they allergic to all seafood?

Not necessarily: but better be cautious, sea food mix would contain shellfish, also shellfish might be cooked in the same pan and contaminates other fish meat, please see an allergist for testing and follow up, meanwhile keep an Epipen (epinephrine) and antihistaminic tablets handy for any accidental exposure, good luck ...Read more

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Hi docs, do you think it's at all possible to join the military if you have a nut/seafood allergy?

Hi docs, do you think it's at all possible to join the military if you have a nut/seafood allergy?

YES: I don't think there should be any reason why you cant. they should have online what the medical restrictions are. ...Read more

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Do i understand this correctly : I have a seafood allergy, however it is safe for me to eat ground flax seed?

Do i understand this correctly : I have a seafood allergy, however it is safe for me to eat ground flax seed?

Not related: One can have a seafood allergy and have no problems with flax seeds, or one can have a seafood allergy and have a separate allergy to flax seeds. Flax if grown on a farm, and is not related to seafood. Also, a person with seafood allergy should actually say what kind of seafood, because many many things live in the sea (seaweed, shrimp, scallops, fish, squid, etc...). ...Read more

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How to cure 18 mos baby from chicken and seafood allergy?

How to cure 18 mos baby from chicken and seafood allergy?

Avoidance: For now, assessment by an allergist is important, to make sure it is real allergy to seafood or chicken or just the additives, epinephrine injectin plus oral antihistamines should be kept handy, your doctor would prescribe the dosage for your child, goodluck ...Read more

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What does seafood allergy really mean, since shrimp, clams, crabs, and squid are all different?

What does seafood allergy really mean, since shrimp, clams, crabs, and squid are all different?

Great question: Better to be specific. Shellfish = “crustaceans” (lobsters, "crayfish", prawns, crabs and shrimp) and “molluscs, ” [abalone, oysters, mussels, and squid (calamari)]. Other fish allergies are to “scaly” and “bony” fish, such as cod, haddock, herring, sprat, halibut, mackerel, trout and salmon. Hard to differentiate when they are cooked together! ...Read more

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Can you become anaphylactic to seafood in adult life if you have no history of any allergies? No family history either.

Yes: You can develop allergies to anything (food, medications, etc.) at any stage of life. Most times there is no history of allergies or any family history. ...Read more

Dr. John Chiu
2,622 doctors shared insights

Skin Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


Dr. Cornelia Franz
1,059 doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more