{"id":1574,"date":"2016-07-19T16:04:07","date_gmt":"2016-07-19T06:04:07","guid":{"rendered":"http:\/\/www.mvec.vic.edu.au\/?page_id=1574"},"modified":"2025-11-28T12:50:31","modified_gmt":"2025-11-28T01:50:31","slug":"allergy-and-immunisation","status":"publish","type":"references","link":"https:\/\/mvec.mcri.edu.au\/hi\/references\/allergy-and-immunisation\/","title":{"rendered":"\u090f\u0932\u0930\u094d\u091c\u0940 \u0914\u0930 \u091f\u0940\u0915\u093e\u0915\u0930\u0923"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div data-parent=\"true\" class=\"vc_row row-container\" id=\"row-unique-0\"><div class=\"row single-top-padding single-bottom-padding one-h-padding full-width row-parent\"><div class=\"wpb_row row-inner\"><div class=\"wpb_column pos-top pos-center align_left column_parent col-lg-12 single-internal-gutter\"><div class=\"uncol style-light\"  ><div class=\"uncoltable\"><div class=\"uncell no-block-padding\" ><div class=\"uncont\" ><div class=\"uncode_text_column\" ><\/p>\n<h2>\u092a\u0943\u0937\u094d\u0920\u092d\u0942\u092e\u093f<\/h2>\n<p>An allergy is an abnormal immune response, a hypersensitivity, to a particular trigger or allergen. Examples of triggers\/allergens include foods, mould, dust mites, pollen, insects and medications (including vaccines).<\/p>\n<p>Hypersensitivity responses can vary in severity. Following a vaccine they can present as:<\/p>\n<ul>\n<li>urticarial \u2013 a red, itchy skin rash, often referred to as hives, that characteristically has a central raised white wheal surrounded by an area of redness<\/li>\n<li>non\u2011urticarial rash \u2013 skin changes that do not involve hives<\/li>\n<li>angioedema \u2013 swelling in the deeper layers of the skin<\/li>\n<li>generalised allergic reaction \u2013 involving symptoms like vomiting and diarrhoea<\/li>\n<li>anaphylaxis \u2013 a sudden onset and rapid progression of symptoms involving the skin, respiratory and\/or cardiovascular systems.<\/li>\n<\/ul>\n<p>Some hypersensitivity responses that occur following vaccination are common, and may not preclude future doses. Severe allergic reactions involving anaphylaxis, sometimes referred to as true allergies, are rare.<\/p>\n<h2>Diagnosis and treatment<\/h2>\n<p>Distinguishing anaphylaxis from acute stress responses (including vasovagal, i.e. fainting) is often difficult. However, there are distinct, subtle differences.<\/p>\n<\/div>\n\t<div class=\"wpb_raw_code wpb_raw_html\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<div style=\"padding: 56.25% 0 0 0; position: relative;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/player.vimeo.com\/video\/594374451?color=f5e10f&amp;title=0&amp;byline=0&amp;portrait=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\u0964<\/span><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\u0964<\/span><\/iframe><\/div>\n\t\t<\/div>\n\t<\/div>\n<div class=\"uncode_text_column\" ><p>If symptoms of anaphylaxis occur, immediate treatment should be provided, refer to <a href=\"https:\/\/immunisationhandbook.health.gov.au\/vaccination-procedures\/after-vaccination#adverse-events-following-immunisation\" target=\"_blank\" rel=\"noopener\">Australian Immunisation Handbook: Adverse events following immunisation<\/a>.<\/p>\n<p>Taking tryptase levels is recommended following potential allergic reactions as they assist with allergy assessment. Normal tryptase levels are reassuring. Tryptase levels are recommended 1 hour, 4 hours and 24 hours post\u2011reaction. However, if this is not possible, testing is recommended once an individual presents to an emergency department and is stable, and then just prior to discharge in the case of a short admission.<\/p>\n<p>A true vaccine allergy (anaphylaxis), which will be a contraindication for future doses, can only be diagnosed after specialist consultation with a vaccine allergy specialist. A specialist will often determine a diagnosis after testing or a vaccine challenge is carried out under supervision.<\/p>\n<h2>Association and incidence<\/h2>\n<p>Suspected hypersensitivity responses, particularly non\u2011urticarial skin rashes following a vaccine, are common. However, confirmed allergy, where a person is contraindicated from being immunised with the same vaccine in the future, is rare (less than 1 case per million doses).<\/p>\n<p>If a person experiences a hypersensitivity response following vaccination, it may be related to a specific vaccine or a component in a vaccine.<\/p>\n<h3>Eggs<\/h3>\n<p>Certain vaccines (e.g. some <a href=\"https:\/\/mvec.mcri.edu.au\/references\/influenza-vaccine-recommendations\/\"><div id=\"space\"><\/div><\/a> vaccines, <a href=\"https:\/\/mvec.mcri.edu.au\/references\/measles\/\">MMR<\/a>\/<a href=\"https:\/\/mvec.mcri.edu.au\/references\/varicella\/\">\u0935\u0940<\/a> vaccines, <a href=\"https:\/\/mvec.mcri.edu.au\/references\/yellow-fever\/\">\u092a\u0940\u0932\u093e \u092c\u0941\u0916\u093e\u0930<\/a>, <a href=\"https:\/\/mvec.mcri.edu.au\/references\/q-fever\/\">Q fever<\/a>) are manufactured using chicken eggs\/tissue cultures.<\/p>\n<p>The amount of residual ovalbumin (egg protein) found in influenza and MMR\/V vaccines is not significant, and does not increase the risk of allergic reactions in those with egg allergy (even known egg anaphylaxis). People with egg allergy can receive influenza and MMR\/V vaccines safely in community vaccination settings without the need for additional monitoring,<\/p>\n<p>Due to the higher ovalbumin content in the yellow fever (Stamaril) and Q\u2011fever vaccines, administration is contraindicated in egg\u2011allergic individuals. However, due to the serious nature of the disease and some countries requiring proof of immunisation as an entry requirement, the Australian Immunisation Handbook recommends that people requiring these vaccines seek specialist input from an immunologist or allergist. Researchers from the National Centre for Immunisation Research and Surveillance (NCIRS) and the Royal Children\u2019s Hospital in Melbourne have published a <a href=\"https:\/\/journals.lww.com\/pidj\/Fulltext\/2020\/06000\/Yellow_Fever_Vaccination_In_EGG_Allergic_Children.24.aspx\" target=\"_blank\" rel=\"noopener\">\u092e\u093e\u092e\u0932\u0947 \u0915\u0940 \u0936\u094d\u0930\u0943\u0902\u0916\u0932\u093e<\/a> proposing that skin testing may not be required for patients with mild egg allergy, and that a 2\u2011step graded challenge under medical supervision is a safe alternative.<\/p>\n<h3><strong>Polyethylene glycol (PEG)<\/strong><\/h3>\n<p>PEG is an ingredient commonly used in hand sanitisers, cosmetics, bathroom products and medications (including colonoscopy preparation products). It is also used in the manufacture of mRNA COVID-19 vaccines (Comirnaty (Pfizer) and Spikevax (Moderna)).<\/p>\n<p>It is recommended that people with a history of confirmed or suspected allergy to PEG seek specialist advice from an immunology, allergy or vaccine specialist prior to vaccination. Administration of vaccines containing PEG to individuals with known anaphylaxis to PEG is contraindicated.<\/p>\n<h3><strong>Gelatine<\/strong><\/h3>\n<p>Gelatine is a protein product derived from collagen. It is also a stabilising agent used in the manufacture of some vaccines. The type of gelatine used in vaccines (usually porcine in origin) is different from the gelatine used in foods (usually bovine in origin) and is highly purified.<\/p>\n<p>The incidence of anaphylaxis to gelatin is extremely low, and reactions may depend on whether the gelatine is ingested, injected (e.g. during vaccine administration) or used as an intraoperative hemostatic agent (e.g. surgical Gelfoam). Individuals with severe allergy to gelatine should seek expert advice before receiving any vaccine containing gelatine.<\/p>\n<h2>\u092d\u0935\u093f\u0937\u094d\u092f \u0915\u0940 \u0916\u0941\u0930\u093e\u0915 \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u0939\u093f\u0924\u093e\u0930\u094d\u0925<\/h2>\n<p>Confirmed anaphylaxis to a previous dose of a vaccine and\/or confirmed anaphylaxis to a component of a vaccine is a contraindication for future administration.<\/p>\n<p>See sections above for future dose implications relating to suspected or known egg, PEG and gelatine allergies.<\/p>\n<p>Any suspected immunisation hypersensitivity or allergic responses following vaccination should be reported to the\u00a0<a href=\"https:\/\/mvec.mcri.edu.au\/references\/adverse-events-reporting-australia\/\">adverse event reporting service<\/a>\u00a0in your jurisdiction.<\/p>\n<h2>\u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/h2>\n<p>\n<\/div><div id=\"mpc_accordion-916a3bf0dce036c\" class=\"mpc-accordion mpc-init mpc-transition accordion-tab\" ><ul class=\"mpc-accordion__content\"><li class=\"mpc-accordion__item\"><div class=\"mpc-accordion-item__heading mpc-transition mpc-typography--default\"><div data-id=\"mpc_icon-36a3bf0dce0354\" class=\"mpc-icon mpc-init mpc-transition mpc-effect-fade mpc-icon-hover\"><div class=\"mpc-icon-wrap\"><i class=\"mpc-icon-part mpc-regular mpc-transition  eti eti_arrow_right-down\"><\/i><i class=\"mpc-icon-part mpc-hover mpc-transition  eti eti_arrow_left-up\"><\/i><\/div><\/div><h3>Do people with allergies require additional monitoring following administration of vaccines?<\/h3><\/div><div class=\"mpc-accordion-item__content mpc-container\" ><div class=\"mpc-accordion-item__wrapper mpc-typography--default\"><div class=\"uncode_text_column\" ><p>Individuals with known allergies to ingredients\/triggers that are not found in vaccines (e.g. food, drugs, venom, latex) can be safely vaccinated in community immunisation settings. The standard 15\u2011minute observation period following vaccination should be adhered to.<\/p>\n<\/div><\/div><\/div><\/li><li class=\"mpc-accordion__item\"><div class=\"mpc-accordion-item__heading mpc-transition mpc-typography--default\"><div data-id=\"mpc_icon-36a3bf0dce0354\" class=\"mpc-icon mpc-init mpc-transition mpc-effect-fade mpc-icon-hover\"><div class=\"mpc-icon-wrap\"><i class=\"mpc-icon-part mpc-regular mpc-transition  eti eti_arrow_right-down\"><\/i><i class=\"mpc-icon-part mpc-hover mpc-transition  eti eti_arrow_left-up\"><\/i><\/div><\/div><h3>Do vaccines cause allergies?<\/h3><\/div><div class=\"mpc-accordion-item__content mpc-container\" ><div class=\"mpc-accordion-item__wrapper mpc-typography--default\"><div class=\"uncode_text_column\" ><p>No. An allergy is caused by an abnormal immune response to a trigger. There is no evidence to suggest that vaccines cause allergies.<\/p>\n<p>For more information, refer to <a href=\"https:\/\/www.chop.edu\/vaccine-education-center\/vaccine-safety\/vaccines-and-other-conditions\/asthma-allergies\">CHOP: Do vaccines cause asthma or allergies<\/a>.<\/p>\n<\/div><\/div><\/div><\/li><li class=\"mpc-accordion__item\"><div class=\"mpc-accordion-item__heading mpc-transition mpc-typography--default\"><div data-id=\"mpc_icon-36a3bf0dce0354\" class=\"mpc-icon mpc-init mpc-transition mpc-effect-fade mpc-icon-hover\"><div class=\"mpc-icon-wrap\"><i class=\"mpc-icon-part mpc-regular mpc-transition  eti eti_arrow_right-down\"><\/i><i class=\"mpc-icon-part mpc-hover mpc-transition  eti eti_arrow_left-up\"><\/i><\/div><\/div><h3>Should skin testing be routinely performed prior to vaccination?<\/h3><\/div><div class=\"mpc-accordion-item__content mpc-container\" ><div class=\"mpc-accordion-item__wrapper mpc-typography--default\"><div class=\"uncode_text_column\" ><p>No. True vaccine allergies are extremely rare. Performing routine skin testing on individuals without suspected allergy prior to vaccination is not recommended.<\/p>\n<\/div><\/div><\/div><\/li><\/ul><\/div><div class=\"uncode_text_column\" ><\/p>\n<h2>\u0938\u0902\u0938\u093e\u0927\u0928<\/h2>\n<ul>\n<li><a href=\"https:\/\/immunisationhandbook.health.gov.au\/resources\/tables\/table-components-of-immunisation-products-used-in-australia\" target=\"_blank\" rel=\"noopener\">Australian Immunisation Handbook: Table. Components of immunisation products used in Australia<\/a><\/li>\n<li><a href=\"https:\/\/www.allergy.org.au\/hp\/papers\/vaccination-of-the-egg-allergic-individual\" target=\"_blank\" rel=\"noopener\">Australian Society of Clinical Immunology and Allergy: ASCIA Guidelines \u2013 Vaccination of the egg\u2011allergic individual<\/a><\/li>\n<li><a href=\"https:\/\/mvec.mcri.edu.au\/wp-content\/uploads\/2022\/07\/Guidance-for-differentiating-Anaphylaxis-from-acute-stress-response-for-vaccine-providers-and-Emergency-Departments-Version-1.1_July-2022.pdf\" target=\"_blank\" rel=\"noopener\">Victorian Department of Health: Guidance for differentiating anaphylaxis from acute stress response for vaccine providers and Emergency Departments<\/a><\/li>\n<li><a href=\"https:\/\/www.jaci-inpractice.org\/action\/showPdf?pii=S2213-2198%2822%2900226-4\" target=\"_blank\" rel=\"noopener\">Leong P, Al-Harrasi M, Carr B, Leahy E, Bardin PG, Barnes S. Vocal cord dysfunction\/inducible laryngeal obstruction(s) mimicking anaphylaxis during SARS-CoV-2 (COVID-19) vaccination. <em>J Allergy Clin Immunol Pract<\/em>. 2022;10(5):1380-1381. doi:10.1016\/j.jaip.2022.02.025<\/a><\/li>\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0264410X22014256\" target=\"_blank\" rel=\"noopener\">Gold MS, Amarasinghe A, Greenhawt M, et al. Anaphylaxis: Revision of the Brighton collaboration case definition.\u00a0<em>\u091f\u0940\u0915\u093e<\/em>. 2023;41(15):2605-2614. doi:10.1016\/j.vaccine.2022.11.027<\/a><\/li>\n<li><a href=\"https:\/\/immunisationhandbook.health.gov.au\/contents\/vaccination-procedures\/after-vaccination#adverse-events-following-immunisation\" target=\"_blank\" rel=\"noopener\">Australian Immunisation Handbook: Adverse events following immunisation<\/a><\/li>\n<\/ul>\n<p>\n<\/div><div class=\"uncode_text_column\" ><\/p>\n<div class=\"reviewedSection\">\n<p><strong>\u0932\u0947\u0916\u0915:<\/strong> Kirsten Perrett (Clinician Scientist Fellow, Murdoch Children&#8217;s Research Institute), Nigel Crawford (Director, SAEFVIC, Murdoch Children\u2019s Research Institute), Sara Barnes (Head of Allergy, Monash Health), Adele Harris (Research Nurse, SAEFVIC, Murdoch Children&#8217;s Research Institute), Daryl Cheng (Paediatrician, The Royal Children\u2019s Hospital), Rachael McGuire (MVEC Education Nurse Coordinator), Francesca Machingaifa (MVEC Education Nurse Coordinator) and Nicole Wong (Immunisation Fellow, Royal Children&#8217;s Hospital)<\/p>\n<p class=\" translation-block\"><strong>\u0926\u094d\u0935\u093e\u0930\u093e \u0938\u092e\u0940\u0915\u094d\u0937\u093f\u0924:<\/strong> \u0930\u093e\u091a\u0947\u0932 \u092e\u0948\u0915\u0917\u093e\u092f\u0930 (MVEC \u0936\u093f\u0915\u094d\u0937\u093e \u0928\u0930\u094d\u0938 \u0938\u092e\u0928\u094d\u0935\u092f\u0915)<\/p>\n<p><strong>\u0924\u093e\u0930\u0940\u0916:<\/strong> December 2024<\/p>\n<p>\u0928\u0908 \u091c\u093e\u0928\u0915\u093e\u0930\u0940 \u0914\u0930 \u091f\u0940\u0915\u0947 \u0909\u092a\u0932\u092c\u094d\u0927 \u0939\u094b\u0924\u0947 \u0939\u0940 \u0907\u0938 \u0905\u0928\u0941\u092d\u093e\u0917 \u0915\u0940 \u0938\u093e\u092e\u0917\u094d\u0930\u093f\u092f\u094b\u0902 \u0915\u094b \u0905\u0926\u094d\u092f\u0924\u0928 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092e\u0947\u0932\u092c\u0930\u094d\u0928 \u0935\u0948\u0915\u094d\u0938\u0940\u0928 \u090f\u091c\u0941\u0915\u0947\u0936\u0928 \u0938\u0947\u0902\u091f\u0930 (MVEC) \u0915\u0930\u094d\u092e\u091a\u093e\u0930\u0940 \u0938\u091f\u0940\u0915\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u092f\u092e\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0938\u093e\u092e\u0917\u094d\u0930\u093f\u092f\u094b\u0902 \u0915\u0940 \u0938\u092e\u0940\u0915\u094d\u0937\u093e \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>You should not consider the information on this site to be specific, professional medical advice for your personal health or for your family\u2019s personal health. For medical concerns, including decisions about vaccinations, medications and other treatments, you should always consult a healthcare professional.<\/p>\n<\/div>\n<p>\n<\/div><\/div><\/div><\/div><\/div><\/div><script id=\"script-row-unique-0\" data-row=\"script-row-unique-0\" type=\"text\/javascript\" class=\"vc_controls\">UNCODE.initRow(document.getElementById(\"row-unique-0\"));<\/script><\/div><\/div><\/div>\n<\/div>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":"","_wp_rev_ctl_limit":""},"first_letter":[5],"class_list":["post-1574","references","type-references","status-publish","hentry","first_letter-a"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Allergy and immunisation - The Melbourne Vaccine Education Centre (MVEC)<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mvec.mcri.edu.au\/hi\/\u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e-\u0926\u0947\u0902-\u0938\u0902\u0926\u0930\u094d\u092d\/allergy-and-immunisation\/\" \/>\n<meta property=\"og:locale\" content=\"hi_IN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Allergy and immunisation - 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