Allow your child to ask the technician any questions he or she might have. Tell your child to try to relax during the procedure, as tense muscles can make it harder and more painful to draw blood. It also may help for your child to look away when the needle is being inserted into the skin.
If you have questions about the immunoglobulin test, speak with your doctor. You also can talk to the technician before the procedure.
Note: All information on KidsHealth is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
All rights reserved. Find a Doctor. About Us. Community Programs. California Kids Care. International Services. Video Visits: Telemedicine. Locations Main Campus. Satellite Locations. Emergency Care. Urgent Care. Safe Sleep Practices. Pay Your Bill. Financial Assistance. Medical Records. About Us Who We Are. Patient Stories. Get Involved. If there is a family history of immunodeficiency, then a medical provider may order the test on a routine basis to track health development.
The most common reason why this test is ordered is because of a medical history that includes several opportunistic infections that do not seem to generate a proper response from the body. Most medical providers will evaluate three immunoglobulin blood tests at the same time: IgG, IgA, and IgM levels are will usually be tested together. If the results come back as abnormal, then this is an indication that there is something within the body that is currently affecting the immune system.
Abnormal results generally result in additional testing to determine a specific need because it can provide strong indications of disease or a specific condition, but not a definitive result.
If your IgG blood test has high results: High results are seen with a number of different conditions. When an increase in just IgG is seen, then this is typically due to leukemia, multiple myeloma, or lymphoma.
If all three immunoglobulins have high results, then this can be because of an infection, an autoimmune disorder, or inflammatory disorders. A hyperimmunization reaction may also cause this type of result. Extra cells may even be monoclonal, which means they are clones of just one plasma cell. If your IgG blood test has low results: Most low results on this blood test are because of an acquired condition.
In some people, infections cause scarring that harms the airways and lung function. This can affect breathing. A blood test that measures immunoglobulin levels is the initial step in diagnosing IgG deficiency. More complicated but very important tests involve the measurement of antibody levels in response to certain vaccinations. Treatment depends on how bad your symptoms and infections are.
If infections are not getting in the way of your daily life, treating them right away may be enough. If you get frequent or severe infections that keep coming back, you may do well with ongoing treatment.
This will help to prevent sickness or reduce symptoms or frequency. This may mean taking a daily antibiotic to ward off infections. You may need to alternate between other antibiotics if infections and symptoms still happen. Immunoglobulin therapy can be provided under the skin or in the veins. If you have been diagnosed with IgG deficiency, call your healthcare provider whenever you have signs of infection such as fever, chills or night sweats.
Treatment depends on how bad your symptoms and infections are as well as the health of your immune system. At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests.
Also, write down any new instructions your provider gives you. Know why a new medicine or treatment is prescribed, and how it will help you.
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