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Lyme disease is often considered a straightforward problem, mainly a result of a tick bite. But is it that simple and straightforward? Not really.
Lyme disease is now known as the "Great Imitator" around the world because the symptoms closely mimic dozens of other conditions, including multiple sclerosis, lupus, depression, and, perhaps most surprisingly, Alzheimer’s disease, making it one of the most misdiagnosed health problems worldwide.
Many people spend years searching for answers, getting treatments and diagnoses that do not provide answers, all while struggling with hidden Lyme disease that goes undetected.
So, what makes this illness so difficult to detect? Read on to find out.
Lyme Disease: Here's What You May Be Missing
Most people think Lyme disease is a simple infection. You get a tick bite, you get the characteristic bull’s-eye rash, and a course of antibiotics takes care of it. That is the simplified version many people hear. But for a lot of people, it’s never that simple.
The bull’s-eye rash, or erythema migrans, appears in about 70 to 80 percent of cases. That's about one in five people who never see it at all. Without that visual cue, many doctors don’t even think of testing for Lyme. And when they do test, the routine blood tests aren’t always reliable in the early stages of infection.
Instead, what tends to happen is this: a person starts feeling “off.” Or perhaps they're always tired no matter how much sleep they get. Their joints hurt. They have headaches. They are foggy, forgetful or anxious. These symptoms wax and wane, making them harder to track. Eventually, they may be told they have fibromyalgia, rheumatoid arthritis or a thyroid problem. Sometimes they are told it’s all in their head.
This is what people forget about Lyme disease — it doesn’t always announce itself. It lurks in plain sight, wearing the mask of other diseases, the true cause obscured.
Lyme Disease Symptoms: Why They’re So Easy to Confuse
Lyme disease is an infection caused by Borrelia burgdorferi, which is transmitted by black-legged ticks, also known as deer ticks. Once in the bloodstream, it travels throughout the body and can affect almost every system – joints, muscles, nerves and even the heart and brain.
That is why the symptoms are so varied. This is what Lyme disease can look like at various stages:
Initial Stage: Weeks 1-4
Flu symptoms (fatigue, chills, fever, muscle aches)
Headaches and stiff neck
Bull’s-eye rash (sometimes absent)
Later Stages: Weeks to Months Post-Infection
Severe pain and swelling in the joints, particularly the knees
Numbness/tingling in hands and feet
Nerve pain
Facial paralysis (one side of the face droops)
Palpitations or irregular heartbeat
Difficulty with short-term memory and focus
Chronic or Late Stage Lyme Disease
Constant tiredness that does not improve with rest
Cognitive problems, sometimes called “Lyme brain fog”
Anxiety, depression, mood changes
Difficulty with coordination and muscle weakness
Now look again at that list. All of these symptoms also occur in conditions such as lupus, MS, rheumatoid arthritis, chronic fatigue syndrome, depression, and anxiety disorders. No wonder so many people are undiagnosed for years. When doctors treat each symptom as a separate problem, they may miss the bigger picture.
Why Is Lyme Disease Often Misdiagnosed?
The medical community has been slow to fully grasp chronic Lyme disease. One of the problems is that the standard two-tiered blood test, the ELISA followed by a Western blot, can fail to detect early infections altogether. The tests look for antibodies your immune system produces in response to the bacteria. In the first few weeks, your body might not have made enough antibodies for the test to detect.
And there’s also a lot of talk in the medical community about “Post-Treatment Lyme Disease Syndrome” (PTLDS) — a condition where symptoms persist long after antibiotics have been administered. Some doctors disagree on how to classify and treat persistent symptoms after Lyme disease, leaving patients in a frustrating cycle of being told they’re fine when they’re clearly not.
Add to this the fact that Lyme disease is sometimes more easily dismissed in women and in people with anxiety or depression. If there is no obvious cause for the symptoms, the issue is often labeled as a mental health problem, not because that is the right answer, but because that is the easiest answer.
Right Diagnosis, Accurate Treatment: Only With Infinity Wellness
Lyme disease is called the Great Imitator because its symptoms can resemble many other conditions. For those with undiagnosed Lyme, the road to answers can be long, exhausting and deeply frustrating.
If you or someone you know is struggling with symptoms that may be related to undiagnosed Lyme disease, know that Infinity Wellness is always here to help. As experienced professionals in functional medicine who provide holistic solutions, we aim to help patients receive a clearer diagnosis and personalized support for recovery. Get in touch to learn more about our treatment plans.
FAQs
Can you get Lyme disease without ever seeing a tick bite or rash?
Yes. Many Lyme disease patients never see the tick that bit them because deer ticks are tiny, sometimes the size of a poppy seed. And the hallmark bull’s-eye rash appears in only about 70-80% of cases, so no rash doesn’t mean no infection.
How long can Lyme disease remain undiagnosed?
Some people go years, even decades, without being properly diagnosed. This is particularly true where early symptoms are mild or are attributed to stress, aging or other conditions. Delayed diagnosis is often associated with more severe and difficult-to-treat symptoms.
What if I think I have Lyme disease?
Tell your healthcare provider about your symptoms and possible tick exposure. Ask about testing, and consider consulting a specialist if standard tests are negative but symptoms continue. A symptom journal may also help your doctor find patterns that suggest Lyme.
