Immunoglobulin (IgG)

Product Description

Price: 12 د.ا

An Immunoglobulin G (IgG) test measures the level of IgG antibodies in the blood. IgG is one of the five main types of antibodies produced by the immune system to fight against bacteria, viruses, and other pathogens. This test helps evaluate the body’s ability to produce antibodies and is often used to diagnose various conditions related to immune function.

Normal Range

The normal range of IgG levels can vary based on age and sex. Generally, these ranges are:

– Females: 700-1600 mg/dL

Males: 700-1600 mg/dL

Children:

– Infants: 100-400 mg/dL

Older children: 200-1400 mg/dL (levels gradually increase with age)

Function in the Body

IgG antibodies play several crucial roles in the immune system:

Neutralization: IgG antibodies neutralize toxins and pathogens, preventing them from causing harm.

Opsonization: They coat pathogens, making them easier for immune cells to recognize and destroy.

Activation of the Complement System: IgG triggers the complement system, which enhances the ability of antibodies and phagocytic cells to clear microbes and damaged cells.

– Immune Memory: IgG antibodies provide long-term immunity by remembering past infections and responding more quickly upon re-exposure to the same pathogen.

Diseases Revealed by the Test

An IgG test can help diagnose or monitor several conditions, including:

Chronic Infections: Persistent or recurrent infections may indicate abnormal IgG levels.

Autoimmune Disorders: Conditions like lupus or rheumatoid arthritis can be associated with abnormal IgG levels.

Immunodeficiency Disorders: Low IgG levels can indicate primary immunodeficiency diseases, such as Common Variable Immune Deficiency (CVID).

Chronic Inflammatory Conditions: Diseases like inflammatory bowel disease (IBD) can also affect IgG levels.

Symptoms Indicating the Need for an IgG Test

Symptoms that may prompt a healthcare provider to order an IgG test include:

– Frequent or severe infections

– Chronic diarrhea

– Unexplained fatigue

– Swollen lymph nodes

– Persistent cough or respiratory issues

Symptoms of Deficiency and Overdose

Deficiency Symptoms:

– Recurrent infections (sinusitis, pneumonia, bronchitis)

– Poor response to vaccinations

– Chronic diarrhea

– Autoimmune symptoms (rash, joint pain)

Overdose Symptoms:

There is no typical “overdose” of IgG as the body regulates its levels naturally. However, extremely high levels might indicate chronic inflammation or infection.

Diagnosis

Diagnosing conditions using IgG levels involves:

  1. Blood Test: A blood sample is taken and analyzed for IgG concentration.
  2. Review of Medical History: Considering the patient’s history of infections, autoimmune disorders, or other relevant conditions.
  3. Additional Tests: Depending on IgG levels, further tests such as specific antibody titers, imaging studies, or biopsy may be conducted.

Frequently Asked Questions (FAQs)

  1. What is the preparation for an IgG test?

No special preparation is needed, but it’s advisable to inform your doctor of any medications or supplements you are taking.

  1. How is the IgG test performed?

A healthcare provider will draw a blood sample from a vein, usually in your arm, which is then sent to a lab for analysis.

  1. How long does it take to get the results?

Results are typically available within a few days to a week.

  1. What can affect IgG levels?

Factors like age, overall health, certain medications, and chronic diseases can influence IgG levels.

  1. Can IgG levels be increased naturally?

Maintaining a healthy lifestyle, balanced diet, regular exercise, and managing stress can support overall immune function. Specific medical treatments may be required for significant deficiencies.

 

 

 

  • Function in the Body

  • Symptoms of Deficiency

  • Symptoms of Overdose

  • Diagnosis

  • More Information

Frequently Asked Questions

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