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Doctor insights on: What Are Signs Of An Allergic Reaction

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What are signs of an allergic reaction to something?

What are signs of an allergic reaction to something?

Several symptoms: Allergic reactions may include any number of symptoms including hives, shortness of breath, cough, wheezing, throat discomfort, swelling of the lips/tongue, vomiting or diarrhea. Milder symptoms include runny nose, congestion, sneeze, or itchy/watery eyes. ...Read more

Dr. John Chiu
2,479 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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How to tell what are the signs of an allergic reaction to novocaine?

How to tell what are the signs of an allergic reaction to novocaine?

See Allergy: Local anesthetic allergy is very rare, some argue that it does not even exist. If there is a concern about a reaction to a local anesthetic agent see and allergist. They will review your history, perform a physical and if needed they can skin test to the local anesthetic if needed. Based upon those results decision can be made about if one is allergic and how to proceed. ...Read more

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What are the signs of an allergic reaction to the dentist's numbing medicine?

What are the signs of an allergic reaction to the dentist's numbing medicine?

Inflammation: Allergic reactions to local anesthetics are very rare, but possible. Depending on the type of hypersensitivity reaction, (allergy is typically termed hypersensitivity type I, or immediate) you can have different symptoms. Commonly you might experience nausea, trouble breathing, hives, itchy skin, cough, runny nose, or swelling. If you have trouble breathing, seek immediate medical attention. ...Read more

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What are signs and symptoms of an allergic reaction to food?

What are signs and symptoms of an allergic reaction to food?

Varies: Immediate reactions to a food can include hives, feelings of throat tightening and itching, shortness of breath, flushing of the skin and overwhelm feeling of doom. This can develop into nausea and vomiting as well as diarrhea. Some foods can cause a delayed skin reaction such as eczema and not always the immediate reaction. As always consult with your doctor get tested and avoid possible foods. ...Read more

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What are the symptoms and signs for an allergic reaction to prawns?

Prawns: The same as with shrimp. It can make hives, a rash or swelling. It may activate asthma or cause an allergic response in the eyes or nose. ...Read more

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Please tell me how long it takes for to show signs of an allergic reaction from medication?

Please tell me how long it takes for to show signs of an allergic reaction from medication?

Varies: Most allergic reactions to medication occur after 1 or 2 doses but sometimes it can take a week or more to develop. ...Read more

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Can you tell me the signs of an allergic reaction due to artificial joints?

Can you tell me the signs of an allergic reaction due to artificial joints?

Joint Failure: If one has an allergic reaction to the materials in a joint replacement typically the patient will have complications with the joint or joint failure. ...Read more

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Can someone tell me how to recognize the early signs a child is having an allergic reaction?

Can someone tell me how to recognize the early signs a child is having an allergic reaction?

Rash: Most children/people develop hives as the first sign of an allergic reaction. Some will itch, some will complain of throat or mouth itching....In babies or children not yet speaking, hives are the earliest obvious sign. ...Read more

Dr. John Chiu
1,001 doctors shared insights

Allergic Reaction (Definition)

Allergic reactions are sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more