What Is An Antigen? Defining Antigen
What is an antigen?
An antigen is a foreign substance that triggers an immune response in the body, such as a virus, bacterium, or allergen, by binding to antibodies or immune cells.
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What is an antigen?
An antigen is a substance that triggers an immune response in the body.
How do antigens affect the body?
When an antigen enters the body, the immune system recognizes it as foreign and produces antibodies to fight it.
Are all antigens harmful?
No, not all antigens are harmful. Some antigens are harmless, like those found in vaccines.
Can allergies be caused by antigens?
Yes, allergies are caused when your immune system develops antigens against allergens. Common allergens include pollen, dust mites, mold, and pet dander.
Can allergies develop later in life, or are they present from birth?
Allergies can develop at any point in life, even if you have not previously had an allergic reaction to a substance. Some people may be more predisposed to developing allergies due to genetic factors.
How are allergies diagnosed?
Allergies can be diagnosed through skin tests, blood tests, or elimination diets. A doctor may also consider a patient's symptoms and medical history when making a diagnosis.
Can allergies be cured?
Allergies can be managed by limiting exposure to allergens and using medications such as antihistamines. Long-term relief can be achieved through allergy immunotherapy.
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