Historically, it was commonly used as a preservative in topical pharmaceutical preparations, cosmetics, and biological products such as vaccines. Show this safety data sheet to the doctor in attendance. This product should be considered equivalent to thimerosalfree products. Thimerosal, which is approximately 50% mercury by weight is a preservative widely.
I am, now and have always been fiercely pro vaccine. Thiomersal or thimerosal is a mercury compound used as a preservative used in some vaccines. It has been used as a preservative in vaccines, immunoglobulin preparations, skin test antigens. Thimerosalinduced changes in membrane permeability and. This compound is a wellestablished antiseptic and antifungal agent. Safety data sheet northwest missouri state university.
There is no scientific evidence to support this claim. Pdf the purpose of the study was to evaluate the effects of mmr immunization and mercury from thimerosalcontaining childhood vaccines on the. Thimerosal, which consists of approximately 50% mercury by weight, has been one of the most widely used preservatives in vaccines. The birth dates of the maddsp sampling, between 1986 and 1994, yielded a unique opportunity for comparison, given the rise in thimerosal exposure starting in the early 1990s with the addition of the hepatitis b and haemophilus influenza type b hib vaccine series to the cdcs infant vaccination schedule. In 1997, the epa decreased the suggested maximal allowable amount of methylmercury exposure from 0. The results do not support a causal relationship between childhood vaccination with thimerosalcontaining vaccines and development of autisticspectrum disorders. Thiomersal also spelled thimerosal, especially in the united states is an organomercury compound used as a preservative in vaccines to prevent bacterial and fungal contamination. When thimerosal is used this way, it is removed later in the process. Pdf thimerosal or thiomersal is a trade name for an organomercurial compound sodium ethylmercury hg thiosalicylate that is 49. This product should be considered equivalent to thimerosal free products. If inhaled if breathed in, move person into fresh air. Thimerosal or thiomersal is a trade name for an organomercurial compound sodium ethylmercury hg thiosalicylate, c 9 h 9 hgnao 2 s that is 49. May 16, 2007 continued thimerosal still in vaccines.
Learn how to convert pdf to excel xlsx using adobe acrobat dc. The literature regarding thimerosal and tics both motor and phonic is quite compelling. This product should be considered equivalent to thimerosal. Thimerosal is an organic mercurial used as an antiseptic and as a preservative in most vaccines. You can read more about this issue in his new book, thimerosal.
Antivaccination activists promoting the incorrect claim that vaccination causes autism have asserted that the mercury in thiomersal is the cause. Gmt and other data processing were taken with microsoft excel 2007. Thimerosalinduced changes in membrane permeability and cell viability. But, for many reasons, thimerosal contained in vaccines is not harmful. Thimerosal is a mercur ycontaining compound that prevents the growth of. In slightly acidic solution thimerosal may be precipitated as the corresponding acid which undergoes slow decomposition with the formation of insoluble products. Thimerosal is a mercurycontaining organic compound i.
As a father of four and chemist, i wondered about this over 15 years ago when we had our first child. Developed in 1927, it has been used as a preservative in cosmetics, pharmaceutical preparations, and. Institute for vaccine safety thimerosal content in some. It serves as an antiseptic and antifungal agent in select vaccines, especially the flu vaccine in the us. Thimerosal content in licensed vaccines immunization.
Learn more about the uses and action of thimerosal. Thimerosal is used as a preservative in some vaccines. Thimerosal article about thimerosal by the free dictionary. Detailed plot to carry out mass shootings and interrupt live video streams with torture scenes of female vaccine truthers 01242018 mike adams. But is thimerosal safe for humans to inject into their bodies. Antiseptics should generally be distinguished from drugs such as antibi. Thimerosal induces dna breaks, caspase3 activation. Having written about pseudoscience and quackery continuously for over a decade and having engaged in conversations about it online for over 15 years, ive come to recognize a number of traits that are virtually the sine qua non of quacks and pseudoscientists and their believers. Even though most of the vaccines routinely administered to infants in the united states no longer contain more than trace amounts of ethyl mercury in the form of thimerosal, the entire vaccine supply is not thimerosal free.
The excel spreadsheet is provided because it is in a convenient format. The pharmaceutical corporation eli lilly and company gave thiomersal the trade name merthiolate. Your new online msds binder is a place for you to store the material safety data sheets you need to deploy. We estimated rrs separately for each hmo, using proportional safety of thimerosal. Thimerosal information sheet alberta health services. Thompson, in the video below, insists that this mercury in vaccines causes tics in children, and these tics are 4 times more prevalent in. It has a role as a disinfectant, an antifungal drug and an antiseptic drug. Thimerosal news thimerosal news thimerosal information. After reading all of the published studies below on the toxicity of thimerosal, one has to wonder upon what data the cdc based its conclusion that thimerosal laden vaccines posed only a theoretical risk of harm. The purpose of the study was to evaluate crossreactivity, exposure factors, and tolerance to vaccines containing thimerosal in patients sensitized to mercury derivatives. Thimerosal definition of thimerosal by medical dictionary. Pdf a comparative evaluation of the effects of mmr immunization.
Although most studies suggest the prevalence of thimerosal sensitivity to be quite high. The child vaccination histories file contains the vaccination histories of the n1,095. Its used as a preservative in a number of biological and drug products, including many vaccines, to help prevent potentially life threatening contamination with harmful microbes. Background fluorescence was subtracted from the experimental series, and the results were represented as graphs of average values using microsoft excel. This compound is a wellestablished antiseptic and antifungal agent the pharmaceutical corporation eli lilly and company gave thiomersal the trade name merthiolate. Other companies are charging thousands of dollars to set up accounts and give you access to their msds online database. Cdc study on prenatal and infant exposure to thimerosal. Understanding thimerosal, mercury, and vaccine safety cdc. Truth about thimerosal in vaccines the peoples chemist. Thimerosal is added to vials of vaccine that contain more than one dose multidose vials to prevent growth of germs, like bacteria and fungi. Thimerosal induces dna breaks, caspase3 activation, membrane. Thimerosal is an organic mercury derivative found in ophthalmic solutions and certain vaccines in brazil. Bei 35 micrograms total inorganic mercury per gram of creatinine. The idea that thiomersal in vaccines might have detrimental effects.
Patient information sheet thimerosal t007 your patch testing results indicate that you have a contact allergy to thimerosal. This vaccine may contain trace amounts thimerosal removal. Thimerosal in vaccines thimerosal concerns vaccine. Data sources include ibm watson micromedex updated 4 may 2020, cerner multum updated 4 may. Thimerosal table updated 1211 institute for vaccine safety. Understanding thimerosal, mercury, and vaccine safety. No harmful effects were reported from thimerosal at doses used in vaccines, except for minor local reactions like redness and swelling at the injection site. Effects of exposure may include numbness of extremities, fetal changes, decreased offspring survival, and lung tissue changes. Mercury ocarboxyphenylthioethyl, sodium salt is a light creamcolored crystalline powder with a. Thimerosal may enter the body through the skin, is toxic, alters genetic material, may be irritating to the eyes, and causes allergic reactions. Despite concerns, several studies have now proven that thimerosal in vaccines did not cause autism. Several of cdcs own studies show that high levels of thimerosal exposure via infant vaccines can lead to tics later in life. Thimerosal, a form of mercury used as a preservative in vaccines, was removed from most childhood vaccines a few years ago, but is still in the annual flu shot, which is recommended for pregnant women. Thimerosal is a vaccine preservative comprised of ethyl mercury.
Thiomersal is an organic compound containing mercury and thiosalicylate. Grant, 1 23 elsa cernichiari, 5 and thomas clarkson 5 department of. Selected studies on the toxicity of thimerosal published. Thimerosal is also used as a preservative in vaccines, antitoxins, parenteral medications and preparation of antigens for allergy tests. Pi3339 geier da et al mmr and thimerosal pi the necessary sources examined in this study. Virtually of all of these studies were published before july 18, 2000. For two childhood vaccines, thimerosal is used to prevent the growth of microbes during the manufacturing process. I believe that vaccines have saved the lives of hundreds continue reading thimerosal, vaccines and autism. It is metabolizeddegraded to ethylmercury and thiosalicylate. Food and drug administration is the chief federal government agency responsible for regulating vaccines in the u. Developed in 1927, it has been used as a preservative in cosmetics, pharmaceutical.
Thimerosal definition is a crystalline organic mercurial antiseptic c9h9hgnao2s used especially for its antifungal and bacteriostatic properties. Receiving a vaccine contaminated with bacteria can be deadly. Thimerosal no known occupational exposure limits established. Introduction d e s i g n of a p h o t o m e t r i c a s s a y organism and inoculum standard p r e p a r a t i o n of s a m p l e s assay medium t e s t set u p 343 343 344 344 345 345 345 i. Thimerosal is an organomercurial compound and derivative of thiosalicyclic acid with antibacterial and antifungal properties l1672. Thimerosal definition of thimerosal by merriamwebster. Thimerosal was developed in the 1920s and became widely used as a preservative in antiseptic ointments, eye drops, and nasal sprays as well as in vaccines, particularly those that were stored in multidose vials. There was specifically no evidence that thimerosal increases the risk of developing autism or any other. Other aspects with regard to the mercury export ban regulation. Mercury content of the thimerosalcontaining immunizations was determined by linking the vaccine manufacturer, lot number, and year of receipt to published data and manufacturer records. Thimerosal was previously present in various eye preparations and contact lens solutions and has been proven to cause delayed hypersensitivity reactions resulting in conjunctivitis and eyelid dermatitis. In table 1, we present a complete summary of all the raw data. It is important that you familiarize yourself with this chemical and take steps to avoid coming. Questions about thimerosal in vaccine regarding infants, children, and pregnant women.
We have investigated the toxicology of thimerosal in normal human astrocytes. Similarly, the term thimerosal reduced usually indicates that thimerosal is not added as a vaccine preservative, but trace amounts 1 micrograms mercury per dose or less may remain from use in. Developed in the 1920s, thimerosal subsequently became widely used as a preservative in antiseptic ointments, eye drops, nasal sprays, and vaccines. Exposure during pregnancy was calculated as the total amount micrograms. When the volume of vaccines given to children in the u. Thimerosal is an alkylmercury compound approximately 49% mercury by weight used as an antiseptic and antifungal agent. Thimerosal, also called thiomersal, mercurycontaining organic compound with antimicrobial and preservative properties. Is it safe for children to receive an influenza vaccine that contains thimerosal. Menomune acyw5, a thimerosal containing vaccine, is not indicated for infants and children younger than 2 years of age except as shortterm protection of infants 3 months and older against group a. Even though most of the vaccines routinely administered to infants in the united states no longer contain more than trace amounts of ethyl mercury in the form of thimerosal, the entire vaccine supply is not thimerosalfree. Thimerosalderived ethylmercury is a mitochondrial toxin in human. The most notable exception to this is the seasonal influenza flu vaccine. Why is thimerosal still in some lu vaccines that children may receive. One gram of thimerosal dissolves in about 1 ml of water and in about 8 ml of alcohol.
Early thimerosal exposure and neuropsychological outcomes at. Evaluation of thimerosal removal on immunogenicity of aluminum. Lists the various brand names available for medicines containing thimerosal. Institute for vaccine safety thimerosal content in some us. Menomune acyw5, a thimerosalcontaining vaccine, is not indicated for infants and children younger than 2 years of age except as shortterm protection of infants 3 months and older against group a. This vaccine may contain trace amounts vaccine may contain trace amounts postproduction thimerosal removal.
Thimerosal content in licensed vaccines immunization safety. It has been used as a preservative in vaccines, immunoglobulin preparations, skin test antigens, antivenins, ophthalmic and nasal. It is an antiseptic with both bactericidal and fungicidal action. Didenko department of neurosurgery, baylor college of medicine, 6560 fannin suite 944, houston, texas 7030 and veterans affairs medical center. Thiomersal inn, or thimerosal usan, jan, is an organomercury compound. Thimerosal is a mercurycontaining organic compound and has been used for decades in the united states and other countries. Given this consistent body of evidence, one would think that the cdc would call for a ban on the use of thimerosal in vaccines. Thimerosal in vaccines some people are concerned about the use of thimerosal, a mercurycontaining preservative, in vaccines. While the rh vaccine and most vaccines given to children in the u. Irrefutable, undeniable proof that mercury is still used in vaccines injected into children. A mercurycontaining preservative used in some vaccines and other products since the 1930s.
Introduction thimerosal sodium ethylmercurithiosalicylate, merthiolate sodium lilly, merzonin, mertorgan, merfamin is a. Thimerosal, mercurycontaining organic compound with antimicrobial and preservative properties. Thimerosal has been used as a preservative in vaccines since the 1930s. Some people have worried that thimerosal, an ethylmercurycontaining preservative in some multidose preparations of influenza vaccine, could cause mercury poisoning either in children or affect the unborn children of pregnant women who receive this vaccine. Antivaccine activists fund a study to show vaccines cause autism. Find information on thimerosal use, treatment, drug class and molecular formula. Thiomersal, or thimerosal usan, jan, is an organomercury compound.