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Larry Langdon
/ Categories: Lyme Disease

Lyme Disease Misdiagnosis

Many cases of Lyme disease are undiagnosed at first. Early signs of fever, acute weariness, and achiness are prevalent in many other disorders, making Lyme disease difficult to identify. Furthermore, diagnostic blood tests are not always accurate, especially in the early stages of disease. The circular growing red lesion rash, on the other hand, is a unique indication that is more specific for Lyme disease, and the tell-tale erythema migrans rash can often be used to make a diagnosis. It's crucial to remember, however, that the erythema migrans rash isn't constantly present or visible, and symptoms might change.

Do you believe the Lyme disease rash is usually a target? Do you think you've been bitten by a spider? Reconsider your position.

Early diagnosis and treatment of Lyme disease often depend on being able to recognise the erythema migrans rash.

The traditional ring inside a ring bullseye rash, contrary to popular opinion, is only seen in a small percentage of Lyme disease patients. Instead of a centre clearing or bullseye, the majority of Lyme disease rashes are evenly red or blue-red. The bite location of the tick can sometimes be seen in the centre of the lesion. The erythema migrans rash is usually always circular or oval, and it grows to a diameter of more than 2 inches over days. Despite the fact that spider bites do not expand in this way, the Lyme rash is sometimes confused with one.

Blisters can occur in the core of a Lyme disease rash and be mistaken for a spider bite or shingles rash, though they are less common.

It's crucial to remember that not all Lyme disease is transmitted through infected tick bites. Tick bite reactions can arise as a result of skin reactions to compounds from the tick bite, and they might be mistaken for Lyme disease rash. Tick bite reactions can linger for days or weeks, but unlike the Lyme disease rash, they are tiny, do not grow, and are not accompanied by fever or other systemic symptoms.

Unlike the erythema migrans rash of Lyme disease, a typical tick bite site reaction is dime-sized or smaller and does not enlarge each day.

Bacteria from the Lyme disease rash can travel through the bloodstream and cause new erythema migrans skin lesions far from the original bite site.

 

What are the Lyme Disease Systemic Symptoms?

Severe weariness, musculoskeletal discomfort, neurologic symptoms, and cognitive impairment are all systemic symptoms of Lyme disease.

Cardiac issues, including as life-threatening heart inflammation known as carditis • Facial palsy, meningitis, and migraines • Swollen knees and Lyme arthritis

 

How can you know whether you have Lyme Disease in its later stages?

Disseminated Lyme disease can be devastating if treatment is unsuccessful or delayed. The bacteria can leave the skin where the tick first inoculated it and move through the bloodstream to a variety of physiological systems, including the joints, heart, brain, muscles, and neurological system.

Joint discomfort, excessive weariness, neuromuscular pain, heart issues, migraines, and other central nervous system dysfunction are all symptoms of late disseminated Lyme disease. There are some distinguishing indicators of later stage Lyme disease, such as facial palsy in the second stage and swollen knees in the third stage, that are relatively specific for Lyme disease, but not entirely, because Bell's Palsy and swollen knees can be caused by a variety of things.

Serology blood tests can confirm the diagnosis by measuring the antibodies produced by the immune system in response to the Lyme disease bacterial infection. In neurologic diseases involving the central nervous system, lumbar puncture may be used to collect cerebrospinal fluid.

 

Is it possible to diagnose Lyme disease in its early stages using a serology test?

Serology antibody tests are more beneficial in the second and third phases of Lyme disease than in the first stage. Antibodies take weeks to develop, therefore if Lyme disease is still in its early stages, antibody testing may come back falsely negative since the immune system hasn't had enough time to make antibodies. If a doctor suspects Lyme disease but can't diagnose it based on the rash, the antibody test from the first stage should be repeated three to four weeks later, because a Lyme disease diagnosis can be missed if the test is falsely negative in the first few weeks.

A two-step testing procedure is recommended by the Centers for Disease Control and Prevention (CDC). If an ELISA test is positive, a Western blot test is performed. However, especially in the early stages of illness, this antibody-based testing approach can produce a large proportion of false positives and false negatives.

Furthermore, the immunological response to borrelia is diverse, and current antibody-based diagnostics do not detect all instances. Antibody testing can also be an issue in people who are being treated with antibiotics for early illness. A follow-up antibody test performed after treatment in these circumstances may be negative and never turn positive.

A negative antibody test does not rule out Lyme disease and should always be examined in conjunction with a complete health history and clinical evaluation.

Lyme disease diagnosis and patient management are currently plagued with issues.

  • Diagnostic methods are still unable to reliably detect the earliest stage of Lyme disease, which is critical for accurate diagnosis.
  • Misdiagnosis and delayed diagnosis can make Lyme disease more difficult to treat and lead to protracted and devastating sickness.
  • Early symptoms are similar to those of the summer flu.
  • Lyme disease affects a variety of bodily parts, including joints, connective tissue, the heart, brain, and nerves, and can cause a variety of symptoms at different periods.
  • In rare circumstances, antibody testing performed after early treatment may be negative and never turn positive.
  • Borrelia burgdorferi can evade our immune system's protection and cause immune system malfunction.
  • There is currently no effective blood test for determining therapy success, necessitating intensive clinical monitoring and enhanced physician education.
  • There is currently no Lyme disease vaccine available for humans.

 

What's the difference between a "indirect" and a "direct" blood diagnostic test?

Direct diagnostic techniques identify the presence of germs directly and are far more reliable than tests that measure a person's immune response to an infection indirectly using antibodies. Validated diagnostic methods that directly quantify the infection, such as a culture, PCR test, or antigen detection tests, would help Lyme disease diagnosis and therapy. Direct tests are essential for the management of other infectious disorders like HIV, hepatitis C, strep, and COVID-19, but they are not currently commonly available for Lyme disease.

 

When it comes to diagnosing Lyme illness, can the season make a difference?

Because Lyme disease is transmitted by ticks, its seasonality is closely tied to the life cycle and behaviour of ticks. In the United States, the months of May, June, July, and early August are the most dangerous for contracting first-stage Lyme disease. Nymph and adolescent ticks, which are difficult to spot, are eating at this time. Lyme disease could be a viral-like condition in the early summer months. Lyme disease can also be transmitted by adult ticks in the fall and winter, as well as whenever the temperature is above 40 degrees throughout the year, albeit to a lower extent.

In more temperate places, such as northern California and the Pacific Northwest, the risk of acute Lyme disease is more year-round. Lyme disease in its latter stages, on the other hand, can appear at any time.

 

References

https://pubmed.ncbi.nlm.nih.gov/18452688/

https://pubmed.ncbi.nlm.nih.gov/26593258/

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