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Antibody Structure01:10

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Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing numerous...
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Application of Biochip Microfluidic Technology to Detect Serum Allergen-specific Immunoglobulin E sIgE
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Vaccination and allergy: EAACI position paper, practical aspects.

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Confirmed allergic reactions to vaccines are rare, despite common concerns. Patients with allergies can safely receive immunizations, but those with a history of reactions need special precautions.

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Area of Science:

  • Public Health
  • Immunology
  • Allergy

Background:

  • Immunization is a critical public health strategy for preventing infectious diseases.
  • Allergic patients should receive recommended vaccines unless risks are prohibitive.
  • Confirmed vaccine-induced allergic reactions are rare, though anaphylaxis can occur.

Purpose of the Study:

  • To address concerns regarding vaccine safety in allergic populations.
  • To clarify the risks and benefits of immunization for patients with allergies.
  • To discuss the relationship between childhood immunization and allergy development.

Main Methods:

  • Review of existing literature on vaccine safety and allergic reactions.
  • Analysis of reported adverse events following vaccination.
  • Discussion of risk factors and predictive tools for allergic reactions.

Main Results:

  • Confirmed allergic reactions to vaccines are infrequent.
  • Anaphylaxis post-vaccination is rare (<1/100,000).
  • Certain patient groups have a higher risk, requiring precautions.

Conclusions:

  • Vaccination is safe and recommended for allergic patients, with specific precautions for high-risk individuals.
  • Unwarranted fears can lead to suboptimal vaccination rates.
  • Current evidence does not support routine childhood immunization increasing allergy risk, but this warrants discussion.