ภูมิแพ้อาหาร คือ?

อาการของการเป็นภูมิแพ้อาหารเป็นได้ทุกระบบของร่างกาย จากข้อมูลที่พบบ่อยคือ อาการทางระบบทางเดินอาหาร (เมื่อแพ้อาหารจะมีอาการคันปาก อาเจียน ปวดท้อง ท้องเสีย) อาการทางผิวหนัง (เมื่อแพ้อาหารจะมีอาการผื่นคัน ลมพิษ) และอาการทางระบบหายใจ (เมื่อแพ้อาหารจะมีอาการจาม น้ำมูก ไอ หอบ แน่นหน้าอก) ในบางรายอาการแพ้อาจรุนแรงถึงขั้นเสียชีวิตได้.

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Food Allergy?

As with any allergy, a food allergy develops when the immune system attacks a normally harmless substance and creates specific antibodies for this substance. From this point on, whenever the food allergy sufferer eats the food to which they're allergic, the antibodies respond by releasing histamine, which causes allergic symptoms to appear.

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FOOD ALLERGIES AND INTOLERANCES

A food sensitivity is an adverse reaction to a food that other people can safely eat, and includes food allergies, food intolerances, and chemical sensitivities.

Food allergies are sensitivities caused by a reaction of the body's immune system to specific proteins in a food. Current estimates are that food allergies affect as many as 6% of young children and 3% to 4% of adults.

In allergic individuals, a food protein is mistakenly identified by the immune system as being harmful. The first time the individual is exposed to such a protein, the body's immune system responds by creating antibodies called immunoglobulin E (IgE). When the individual is exposed again to the same food protein, IgE antibodies and chemicals such as histamine are released.Histamine is a powerful chemical that can cause a reaction in the respiratory system, gastrointestinal tract, skin or cardiovascular system. In the most extreme cases, food allergies can be fatal. Although any food can provoke an immune response in allergic individuals, a few foods are responsible for the majority of food allergies.

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Details: Created on Friday, 27 November 2020 15:18; Written by ifrpd-foodallergy

Jonnie Meek: Second inquest finds boy, 3, died from milk allergy

A second inquest into the death of a three-year-old boy found he died due to an allergic reaction to hospital milk.

Jonnie Meek, from Cannock, died at Stafford Hospital in 2014.

A coroner originally ruled he had died from natural causes, but this has always been disputed by his parents.

The four-day hearing at Shrewsbury Coroner's Court heard how Jonnie, who had a milk allergy, "turned purple" during a trial feed with a new hospital formula and later died.

The boy, who had a rare congenital disability, had only turned three two days earlier and had had three previous allergic reactions.

His mother, April Keeling, told the inquest she had asked for a supervised feed at the hospital and told the nurse - Amanda Shenton - when Jonnie's condition started to deteriorate.

"He tensed up. His eyes rolled back. I ran out of the room and ran onto the road. I wanted to kill myself at that point," she said. "I wanted to die."

Ms Shenton contradicted Ms Keeling's testimony but coroner John Ellery believed the mother when there was conflicting evidence.

"In as far as there is a discrepancy in the evidence, I accept what the mother says," Mr Ellery said.

"He was rubbing his hands, becoming restless, a purple colour around his mouth, eyes swelling up. He had a rash which had a nettle sting appearance."

Details: Created on Wednesday, 18 November 2020 15:12; Written by ifrpd-foodallergy

Codex covers food hygiene and allergens in first ever virtual meeting

Work on food hygiene, allergens and support of food trade in Africa have been adopted by the Codex Alimentarius Commission, which recently met online for the first time in its history.

The first part of the virtual meeting on Sept. 24 to 26 saw six areas of new work agreed upon. Further discussions are set to take place on Oct. 12 with adoption of the report on Oct. 19.

Codex Alimentarius is the food standards setting body of the Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO). The COVID-19 pandemic has made it impossible to hold physical meetings and has severely impacted Codex sessions in 2020.

One new topic was to create guidelines to support development of harmonized food laws in Africa. Current rules are said to be fragmented, overlapping and generally not risk based.

Proposed guidelines will cover general principles of food and feed law, risk analysis, farm-to-fork food safety management, public consultation and information, obligations of food trade, imports and exports guidelines and principles, responsibilities of food and feed businesses and authorities, traceability, recall, packaging and labelling. Final adoption is planned for 2024.