Measles Infection Blood Test

What is Measles Infection?

Measles infection is a highly contagious viral disease that affects the respiratory system and causes a distinctive red rash across the body. It is caused by the measles virus (Morbillivirus), which spreads through respiratory droplets when an infected person coughs or sneezes. The Measles Antibody IgG test is the most important test for diagnosis because it detects specific antibodies that confirm past or recent infection and immunity status.

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What causes measles infection?

Measles infection is caused by the measles virus (Morbillivirus), a highly contagious pathogen that spreads through respiratory droplets. When an infected person coughs, sneezes, or talks, tiny viral particles become airborne and can infect others who breathe them in or touch contaminated surfaces and then touch their mouth, nose, or eyes. The virus is so contagious that up to 90% of unvaccinated people who are exposed will become infected, making measles one of the most transmissible human diseases.

What is the best test for measles infection?

The Measles Antibody IgG test is the most important test for measles infection because it detects IgG antibodies that your immune system produces in response to the measles virus. This test confirms whether you have been infected with measles recently or in the past, and it helps determine your immunity status. High levels of measles IgG antibodies indicate either current infection, past infection, or successful vaccination, which is essential information for outbreak control and determining if you need additional protection through vaccination.

When should I get tested for measles infection?

You should get tested if you develop symptoms like high fever, cough, runny nose, red watery eyes, or a red rash that starts on the face and spreads downward. Testing is also recommended if you have been exposed to someone with confirmed measles, especially if you are unsure about your vaccination status. Healthcare workers, pregnant women planning to conceive, and anyone traveling to areas with measles outbreaks should consider testing to verify their immunity before potential exposure.

What are the symptoms of measles infection?
Measles symptoms typically begin with high fever (often above 104°F), severe cough, runny nose, and red, watery eyes. After 2-3 days, tiny white spots called Koplik spots may appear inside the mouth. The characteristic red, blotchy rash then develops, starting at the hairline and face before spreading down the body to the trunk, arms, and legs. Other symptoms include sore throat, muscle aches, and extreme fatigue that can last for weeks.
Who is at risk for measles infection?
Unvaccinated individuals are at highest risk for measles infection, particularly young children, pregnant women, and people with weakened immune systems. Those who have not received the MMR (measles, mumps, rubella) vaccine or who received only one dose instead of the recommended two doses are vulnerable. International travelers visiting countries with ongoing measles outbreaks and healthcare workers who may be exposed to infected patients also face increased risk of contracting the disease.
What happens if measles infection is left untreated?
Untreated measles can lead to serious and potentially life-threatening complications including pneumonia, encephalitis (brain inflammation), and ear infections that can cause permanent hearing loss. In rare cases, measles can cause subacute sclerosing panencephalitis, a fatal degenerative brain disease that develops years after infection. Pregnant women with measles face risks of premature birth, miscarriage, and low birth weight babies. Children under 5 and adults over 20 are at highest risk for severe complications and death from measles.
Can measles infection be diagnosed with a blood test?
Yes, measles infection can be diagnosed with a blood test that measures measles-specific antibodies. The Measles Antibody IgG test detects IgG antibodies that indicate past or recent infection and immunity status, while IgM antibodies (if tested) indicate acute or recent infection. Blood tests are particularly useful when symptoms are unclear, when confirming immunity before potential exposure, or during outbreak investigations. Healthcare providers may also use throat or nasal swabs to detect the virus directly, but blood tests remain the most common method for confirming measles and assessing immune protection.
How is measles infection treated?
Measles infection has no specific antiviral treatment, so care focuses on relieving symptoms and preventing complications. Treatment includes getting plenty of rest, drinking fluids to prevent dehydration, taking fever reducers like acetaminophen or ibuprofen, and using a humidifier to ease cough and sore throat. Vitamin A supplementation is recommended for children with measles as it can reduce the severity and complications. Severe cases may require hospitalization for supportive care, especially if complications like pneumonia or dehydration develop.
How can I prevent measles infection?
The MMR (measles, mumps, rubella) vaccine is the best prevention for measles, with two doses providing about 97% protection against infection. Children should receive the first dose at 12-15 months and the second at 4-6 years of age. If you are unsure about your vaccination status, get tested for measles immunity or receive the MMR vaccine as it is safe even if you have been previously vaccinated. During outbreaks, avoid contact with infected individuals and practice good hand hygiene, as the virus can survive on surfaces for several hours.
What can I do at home for measles infection?
At home, focus on comfort measures like resting in a darkened room since measles can cause light sensitivity, and keep the person isolated to prevent spreading the virus to others. Use a cool-mist humidifier to soothe irritated airways, offer plenty of fluids to prevent dehydration, and give fever-reducing medications as directed. Avoid aspirin in children due to the risk of Reye syndrome. Monitor for signs of complications like difficulty breathing, severe headache, confusion, or high fever that does not respond to treatment, and seek immediate medical care if these develop.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
  3. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
  4. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
  5. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
Do you accept health insurance?
Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.
Can I cancel my order?
Yes.

We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
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Measles Antibody (IgG)
What's included
Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
No extra fees paid at the lab

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