Is it possible to develop a shellfish allergy

Remind a host or hostess of your allergy when you reply to an invitation to a dinner party. You or your child should wear a medical bracelet or necklace containing your allergy information. Sometimes your immune system will identify a substance as harmful, even though it isn't. When this happens, it's called an allergic reaction. Some people may have a sensitivity to iodine.

Iodine is a common element found in the human body. Adverse reactions to iodine are rare, but they can…. You may experience seasonal allergies in late winter or spring or even in late summer and fall. If you experience seasonal allergies, these essential….

Gluten-, dairy-, or nut-free: Specialized diets are common. But not everyone with special dietary needs has the same reaction to offending foods…. Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease symptoms, diagnosis, and treatment.

MSG symptom complex refers to a group of symptoms some people experience after eating food containing monosodium glutamate. Learn about the symptoms…. Food sensitivity tests check how your immune system responds to different types of food.

Read more to figure out which test is best for you. Health Conditions Discover Plan Connect. Shellfish Allergies. Medically reviewed by Elaine K. Luo, M.

Foods to avoid Symptoms Treatment Iodine Allergy test Prevention We include products we think are useful for our readers. What are shellfish allergies? What foods should I avoid if I have a shellfish allergy? What are the symptoms of shellfish allergies? How are shellfish allergies treated? Can iodine trigger a shellfish allergy? How is a shellfish allergy diagnosed? How can a shellfish allergy be prevented?

Read this next. An allergy can worsen over time, so anyone who reacts to shellfish should check in with their doctor for further evaluation and testing. People typically have a half-moon shape on their nails. This appearance may be less visible in the case of people with malnourishment, anemia, or…. A garlic allergy is rare, but it is possible.

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Anyone with a tomato or…. What to know about shellfish allergies. Medically reviewed by Elaine K. Luo, M. Symptoms Causes Treatment At home Prevalence Summary The main symptoms of a shellfish allergy vary, but they can include vomiting, diarrhea, stomach pain, shortness of breath, coughing, chest pain, and swelling of the face, lips, tongue, or throat.

Share on Pinterest Shellfish allergy symptoms may include indigestion, vomiting, and stomach pain. Caring for a shellfish allergy at home. Share on Pinterest Many people with a shellfish allergy are still able to eat other types of seafood.

Exposure to air pollutants may amplify risk for depression in healthy individuals. Costs associated with obesity may account for 3. Related Coverage. What to know about not having a half-moon on the nails. Medically reviewed by Alana Biggers, M. Can you have a garlic allergy? Anaphylaxis might start with some of the same symptoms as a less severe reaction, but can quickly get worse.

The person may have trouble breathing or pass out. More than one part of the body might be involved. If it isn't treated, anaphylaxis can be life-threatening. If your child has a shellfish allergy or any kind of serious food allergy , the doctor will want him or her to carry an epinephrine auto-injector in case of an emergency. An epinephrine auto-injector is a prescription medicine that comes in a small, easy-to-carry container.

It's easy to use. Your doctor will show you how. Kids who are old enough can be taught how to give themselves the injection. If they carry the epinephrine, it should be nearby, not left in a locker or in the nurse's office.

Wherever your child is, caregivers should always know where the epinephrine is, have easy access to it, and know how to give the shot. Staff at your child's school should know about the allergy and have an action plan in place. Your child's medicines should be accessible at all times. Also consider having your child wear a medical alert bracelet.

Every second counts in an allergic reaction. If your child starts having serious allergic symptoms, like swelling of the mouth or throat or difficulty breathing, give the epinephrine auto-injector right away. Also give it right away if the symptoms involve two different parts of the body, like hives with vomiting. Then call and take your child to the emergency room. Your child needs to be under medical supervision because even if the worst seems to have passed, a second wave of serious symptoms can happen.

It's also a good idea to carry an over-the-counter OTC antihistamine for your child, as this can help treat mild allergy symptoms. Use antihistamines after — not as a replacement for — the epinephrine shot during life-threatening reactions. If allergy testing shows that your child has a shellfish allergy, the doctor will give you guidelines on keeping your child safe.

To prevent allergic reactions, your child must not eat shellfish. Your child also must not eat any foods that might contain shellfish as ingredients. Anyone who is sensitive to the smell of cooking shellfish should avoid restaurants and other areas where shellfish is being cooked. Always read food labels to see if a food contains shellfish.