You wake up and your knee hurts. A week later it's your hip. Then your wrists. Then back to the knee — but now the other one. The pain moves around as if it has a mind of its own. You've had X-rays, maybe an MRI. Everything looks fine. The rheumatologist says it might be fibromyalgia, or stress, or "just one of those things."
But you know something is wrong. And you're right to keep asking.
This page is for people living with joint or muscle symptoms that don't fit neatly into a diagnosis — or that have been dismissed because imaging came back normal. We'll look at what's actually happening, why standard tests often miss it, and why tick-borne infections are a possibility that deserves to be on the table.
A pattern that thousands of people recognise
If this sequence feels familiar, you're not alone. It's the common path — because the tests used in this journey are designed to find structural problems. Joint inflammation driven by infection leaves a completely different kind of mark. One that standard imaging wasn't built to see.
Pain that moves is not random
Most joint conditions are predictable. Osteoarthritis affects specific worn joints. An injury has a location. But migratory pain — pain that genuinely moves from joint to joint, appears without injury, disappears for days, then returns somewhere else — that's different. It's one of the most recognised patterns in tick-borne illness.
If your pain has ever moved from one joint to another without explanation, that single detail changes the picture significantly. Write it down, and mention it explicitly to any clinician you see.
X-rays and MRI look for structural problems — cartilage damage, bone erosion, fractures. They're excellent at what they do. But joint inflammation driven by infection or immune response doesn't always leave structural marks, especially early on. A clear scan means the structure is intact. It does not mean nothing is wrong.
Normal results can stop the search. If your symptoms are real and your imaging is clear, the question isn't "is something wrong?" — it's "what kind of something isn't being looked for?" Infectious causes of joint involvement need different testing than structural ones.
Has your pain ever genuinely moved from one joint to another — one area improving while another worsened? If yes, write that down. Migratory arthralgia is a specific clinical term and meaningful information that changes the differential significantly.
What this kind of pain actually feels like
Not a checklist for self-diagnosis — a description of a pattern, so you have language for what you've been living with.
- Joint pain that genuinely moves — knees one week, shoulders or hips the next, wrists or ankles after that
- Deep aching in large joints — hips, knees, shoulders — with no clear injury
- Morning stiffness that takes more than 30–45 minutes to ease
- Spine or back pain that comes and goes without postural explanation
- Muscle weakness out of proportion to activity level
- Joints that swell briefly and return to normal without obvious cause
- Neck stiffness not explained by how you slept or sat
- Pain that worsens after activity and takes far longer to recover than expected
- Tenderness around tendons or just beside joints
- A feeling of inflamed or "hot" joints even when they don't look swollen
The original characterisation of Lyme arthritis described a pattern of intermittent, migratory oligoarticular arthritis — meaning joint pain that moved, came and went, and affected only a few joints at a time. This pattern was documented as distinct from rheumatoid arthritis and remains one of the core diagnostic features of musculoskeletal Lyme disease.
Could a tick-borne infection be behind this?
Here's something that rarely comes up in a rheumatology appointment: tick-borne infections are a well-documented cause of exactly this kind of joint and muscle involvement. Not because Lyme is the only explanation — but because it's a cause that is routinely overlooked, even by good doctors.
- Main cause of Lyme disease
- Triggers systemic joint inflammation
- Can produce swelling without structural damage visible on imaging
- Migratory arthralgia is a hallmark pattern
- Often transmitted alongside Borrelia
- Muscle pain and fatigue as core symptoms
- Inflames the lining of blood vessels near nerves and joints
- Rarely tested for in standard workups
- Parasitic infection of red blood cells
- Causes profound fatigue alongside muscle symptoms
- Does not respond to antibiotics used for Borrelia
- Requires separate, specific testing to detect
- Additional co-infections from the same tick
- Muscle aches and flu-like joint symptoms
- Can affect white blood cells and immune function
- Not included in standard Lyme panels
Many people with confirmed Lyme disease never saw a tick and never noticed a bite. Nymph-stage ticks — the most common stage for transmission — are roughly the size of a poppy seed. The bite is painless. Going completely unnoticed is the rule, not the exception.
The standard two-tier blood test detects antibodies to Borrelia — but in chronic presentations, antibody levels can fall below the detection threshold. A negative result means antibodies weren't detected at the required level — not that infection isn't present. These are different things. Co-infections like Bartonella and Babesia aren't included in standard Lyme testing at all.
My joint pain was one of the first things I noticed — and one of the last things anyone took seriously. It moved. It came and went. Every scan was normal. For years I accepted the labels I was given. What changed everything was finding a clinician who asked about tick exposure — not as an afterthought, but as the first serious question. That conversation didn't happen by accident. It happened because I walked in knowing what to ask.
The diagnoses people often receive first
Because migratory joint pain overlaps with so many established conditions, people with tick-borne illness often collect diagnoses along the way — some as possible co-existing conditions, others simply as the nearest label.
- Fibromyalgia — widespread muscle pain and fatigue; significant symptom overlap with tick-borne illness
- Rheumatoid arthritis — Lyme disease can produce a near-identical joint pattern; the two are sometimes confused
- Reactive arthritis — joint inflammation following infection; sometimes correct, sometimes a mislabelled Lyme presentation
- "Wear and tear" — when minor age-related scan findings become the default explanation for unexplained pain
- Stress or anxiety — when nothing structural is found and the search ends there
These labels describe real symptom patterns. But they can stop the investigation. If your diagnosis has never improved your condition, it's worth asking whether it's the right one.
What you can actually do with this
Write down when joint symptoms started, which joints have been affected and when, whether pain has moved, and what accompanies it — fatigue, cognitive difficulties, sleep problems, mood changes. A written timeline is one of the most useful tools you can bring to any appointment.
Your GP may not raise this unprompted. It's reasonable to ask directly: "Could a tick-borne infection explain this pattern? I'd like to be tested for Borrelia and, if possible, co-infections like Bartonella and Babesia." How that request is received tells you something about whether this clinician is the right guide for this part of your journey.
A doctor familiar with tick-borne illness evaluates clinical symptoms alongside test results — not just test results alone. ILADS (International Lyme and Associated Diseases Society) publishes clinical guidelines and a practitioner directory at ilads.org — a reasonable starting point for finding someone who asks the right questions.
A grounded perspective
- Migratory joint pain with normal imaging is a real, documented clinical pattern — not "just stress."
- Tick-borne infections are among the causes — and they're routinely overlooked in standard workups.
- A negative standard Lyme test doesn't close the door. Co-infections aren't even included in that test.
- Knowledge is how you advocate for yourself. You're doing that now.
You are not imagining this. Pain that moves is not made up — it's a pattern with a name and possible explanations. Finding the right one may take persistence. But it is findable.
Where to go from here
Joint symptoms rarely travel alone. Fatigue, brain fog, sleep disruption, and autonomic symptoms often come alongside them. The full picture helps you — and any clinician — see the pattern more clearly.
Standard imaging and standard Lyme tests both have real limitations for this kind of presentation. Understanding what they measure — and what they miss — is essential knowledge.
Ticks can transmit more than one pathogen. Bartonella, Babesia, and others each have their own effects — and require different testing. Co-infections are part of the picture many people never hear about.
Healing mentality checkpoint
Living with pain that no one has explained is exhausting — not just physically, but emotionally. The repeated dismissals, the "everything looks normal", the feeling of not being believed — that accumulates. Building knowledge doesn't fix the pain immediately. But it changes your position in this process. You move from passive to active. That shift matters more than people realise.
Read about healing mentality →Sources & further reading
- Steere A.C. — Lyme arthritis: an epidemic of oligoarticular arthritis in children and adults (Arthritis Rheum, 1977)
- Arvikar S.L., Steere A.C. — Diagnosis and treatment of Lyme arthritis (Infect Dis Clin North Am, 2015)
- Horowitz R. — Why Can't I Get Better? (2013)
- ILADS — Evidence-based guidelines for Lyme and associated diseases: ilads.org
- Columbia University Lyme and Tick-borne Disease Research Center
Last updated: March 2026