An immunoglobulin test measures the level of certain immunoglobulins, or antibodies, in the blood. Antibodies are proteins made by the immune system to fight antigens, such as bacteria, viruses, and toxins. The body makes different immunoglobulins to combat different antigens.
http://kidshealth.org/en/parents/test-immunoglobulins.html
Both IgM and IgG refer to a class of immunoglobulin. Antibodies are produced by the immune system to fight antigens like bacteria and viruses. IgM refers to those antibodies that are produced immediately after an exposure to the disease, while IgG refers to a later response.
http://www.differencebetween.net/science/health/difference-between-igm-and-igg/
you need western blot igm and igg; see my welcome letter in your other post with more details. print off symptoms list for lyme and CO-INFECTIONS, the other diseases ticks carry. mark off all symptoms you have/had. take that to drs. w/you.
http://www.mdjunction.com/forums/lyme-disease-support-forums/general-support/1377420-how-long-to-get-test-results
Follow-up igg titer in 2-3 weeks will be of help in confirmation of diagnosis. Presence of rubella-specific igm antibody indicates recent infection, however, false-positive results do occur. Follow-up igg titer in 2-3 weeks will be of help in confirmation of diagnosis. In brief: 6 weeks. Presence of rubella-specific igm antibody indicates recent infection, however, false-positive results do occur.  In brief: 6 weeks. Presence of rubella-specific igm antibody indicates recent infection, however, false-positive results do occur.
https://www.healthtap.com/user_questions/1181115-how-long-will-a-rubella-igm-test-stay-positive-for-i-have-an-immunity-accord
Individuals who were recently infected with herpes DO tend to have positive HSV IgM tests. However, so do many people with recurrent herpes infections. Between 30 and 70 percent of people with recurrent herpes are positive on HSV IgM tests, depending on the test and the study. Herpes IgM tests are more likely to be positive in early herpes infections than herpes IgG tests. All this shows is that a positive herpes IgM test alone does not prove that an infection is recent. That's particularly true if it is accompanied by a positive herpes IgG test.
https://www.verywell.com/what-does-a-positive-herpes-igm-test-result-mean-3132739
1 Immunoglobulin M (IgM), which is found mainly in the blood and lymph fluid, is the first antibody to be made by the body to fight a new infection.  Immunoglobulin E (IgE), which is associated mainly with allergic reactions (when the immune system overreacts to environmental antigens such as pollen or pet dander).
http://kidshealth.org/en/parents/test-immunoglobulins.html
While IgM is an indicator of a current infection, an IgG indicates a recent or past exposure to the illness. IgM is the first antibody that the body produces in an acute infection. It is approximately six times larger than IgG and is multivalent. This means that it has multiple binding sites. In the case of IgM, the number of binding sites is 10! However, only about half of these can actually bind to an antigen. IgM is a temporary antibody that disappears within two or three weeks. It is then replaced by IgG which lasts for life and provides lasting immunity to the person.
http://www.differencebetween.net/science/health/difference-between-igm-and-igg/
How long after infection does it take for IgG antibodies to build up such that my test result would appear... show more I tested positive for herpes with the IgM test and negative with the IgG test. The IgM antibodies can appear positive during an outbreak, so that's not surprising. I am curious about my negative IgG test. How long after infection does it take for IgG antibodies to build up such that my test result would appear... show more I tested positive for herpes with the IgM test and negative with the IgG test. The IgM antibodies can appear positive during an outbreak, so that's not surprising.
https://answers.yahoo.com/question/index?qid=20080216141854AAyswVf
1 Immunoglobulin G (IgG), the most abundant type of antibody, is found in all body fluids and protects against bacterial and viral infections.  Immunoglobulin M (IgM), which is found mainly in the blood and lymph fluid, is the first antibody to be made by the body to fight a new infection.
http://kidshealth.org/en/parents/test-immunoglobulins.html
In that way, checking for the presence of specific immunoglobulins in the blood can be helpful in diagnosing or ruling out infections or certain other illnesses. Doctors also rely on the immunoglobulin test as one of the tools to help diagnose immunodeficiencies (when the immune system isn't working properly).
http://kidshealth.org/en/parents/test-immunoglobulins.html
how long does igm take to be positive
It takes 2 to 3 weeks for IgM to be positive. IGM take 2 to 3 weeks to be positive.