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How long does allergen stay in your system

A 30-year-old male asked:
Dr. Colin Kerr
Family Medicine 44 years experience
Immune system: If only we knew. There is a certain evolutionary advantage to forming antibodies against substances that can harm you, but clearly the body at times g... Read More

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A 48-year-old member asked:
Dr. Paul Carter
A Verified Doctoranswered
A US doctor answeredLearn more
None: It is a response that is intended for parasites and that is why it is an abnormal response to other substances that cause allergy symptoms.
A 23-year-old female asked:
Dr. John Chiu
Allergy and Immunology 57 years experience
2 hours: Most allergic responses occur within 2 hours although reaction to red meat may not come on until 3-6 hours later. Most allergic responses from food ... Read More
A 50-year-old female asked:
Dr. Elisa Ribelles-medhus
Internal Medicine 41 years experience
No allergy: The IgG test just shows that you have been exposed to it. IgE is the test for an allergic response.
A 27-year-old member asked:
Dr. Eric Macy
Internal Medicine 37 years experience
A foreign protein : An allergen is a foreign protein that the immune system over-reacts to and produces allergic antibody, also called ige, against.
A 38-year-old member asked:
Dr. Ahmad M Hadied
Orthopedic Surgery 49 years experience
Eight foods : Milk eggs peanuts tree nuts such as almonds, cashews, walnuts. Fish (such as bass, cod, flounder) shellfish (such as crab, lobster, shrimp) ... Read More
A 21-year-old member asked:
Dr. Troy Reyna
Pediatric Surgery 44 years experience
Ragweed: Ragweed, mulberry, sage grasses are some of the more common plant allergens.
A 39-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 33 years experience
Yes: If your nachos contain chips (wheat) or cheese (dairy) these are very common food allergens. The other common food allergens are egg, peanut, soy, nu... Read More
A 40-year-old member asked:
Dr. Stephen Kimura
Allergy and Immunology 35 years experience
Yes: Most allergens are proteins (as opposed to polysaccharides or lipids). So most foods including chocolate are allergens and can cause allergic reactio... Read More
A 37-year-old member asked:
Dr. Pratip Nag
Pediatrics 18 years experience
Depends on what kind: Respiratory allergens attach to eosinophils, mast cells or other cells and cause allergy symptoms; oral allergens get absorbed and bind to mast cells ... Read More

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