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Doctor insights on: What Are The Symptoms Of An Allergic Reaction

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What are the symptoms of an allergic reaction to peanuts?

What are the symptoms of an allergic reaction to peanuts?

Several symptoms: True allergic reactions to peanuts usually occur within a few minutes of ingestion (occasionally after 1-2 hours) and may include hives, shortness of breath, cough, wheezing, throat discomfort, swelling of the lips/tongue, vomiting or diarrhea. ...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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What are the symptoms of an allergic reaction to insect bite?

What are the symptoms of an allergic reaction to insect bite?

Depends: If it is mild- just some redness and itching, an antihistamine, such as Benadryl (diphenhydramine) will help. People who get severe reactions- such as difficulty breathing, or swelling of the mouth, tongue, or throat, should carry an epi-pen, which is injectable epinephrine. ...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 possible symptoms of an allergic reaction to phenyxyethan?

Phenoxyethanol: Do you mean "phenoxyethanol?" according to a warning by the fda of 2008 "phenoxyethanol is a preservative that is primarily used in cosmetics and medications. It also can depress the central nervous system and may cause vomiting and diarrhea, which can lead to dehydration in infants". ...Read more

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What are common symptoms of having an allergic reaction to tea tree oil?

What are common symptoms of having an allergic reaction to tea tree oil?

Usually a rash: Most common reaction to tea tree oil involves a chronic allergic dermatitis and may appear similar to a nasty reaction to poison ivy. ...Read more

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What are the symptoms or allergic reaction or risks from using iodinated intravenous contrast during CT chest scan.

What are the symptoms or allergic reaction or  risks from using iodinated intravenous contrast during CT chest scan.

Adverse Reactions...: Adverse reactions to iodinated intravenous contrast agents range from a mild inconvenience, such as rash and itching associated with hives, to a rare anaphylactic reaction (life-threatening emergency). Renal toxicity is also a known adverse reaction associated with IV contrast mostly in patients with renal insufficiency. Prior allergic reactions to contrast, asthma, and allergies are factors assoc. ...Read more

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What are the symptoms of someone having an allergic reaction to latex?

What are the symptoms of someone having an allergic reaction to latex?

Local rash,anaphylac: Most common reactions are allergic contact dermatitis with rash severetype 1 reaction is potentially life threatening but rare some people who are allegic to latex are also allergic to plant produce like banananpineapple, avocado, kiwi fruit, chestnut, mango, passion fruit, strawberry and soy , and can cause systemic symptoms. ...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

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