5 Whys Root Cause Medicine Practitioners Treat Lyme Disease
Is Lyme disease curable? Symptoms and treatments
Yes, Lyme disease is curable.
Most people who receive antibiotics in the early stages recover rapidly and completely, typically within a few weeks. A small percentage experience lingering symptoms after treatment, but even those usually improve over time without additional antibiotics. The key factor in how well and how quickly you recover is timing. The earlier you catch it, the faster and more complete the cure tends to be. Here’s what that looks like in practice.
How Early Lyme Disease Is Treated
Early Lyme disease, caught when the telltale bull’s-eye rash appears or shortly after a known tick bite, is treated with a short course of oral antibiotics lasting 10 to 14 days. The CDC recommends the shorter end of that range when possible to reduce side effects like digestive issues.
For most adults, doxycycline taken twice daily for 10 to 14 days is the standard first choice. Two other antibiotics, amoxicillin and cefuroxime, are equally effective alternatives taken for 14 days. Children receive the same medications at weight-based doses. If someone can’t tolerate any of these three options, azithromycin can be used, though it’s considered less effective and requires closer monitoring to confirm symptoms clear up. At this stage, the cure rate is high. People treated promptly tend to feel better within days to weeks of starting antibiotics, and the infection resolves completely.
What Happens When Treatment Is Delayed
Lyme disease that goes undiagnosed for weeks or months can spread beyond the skin to the joints, nervous system, or heart. This is called disseminated Lyme disease, and it’s harder to treat, though still curable in most cases. Treatment at this stage typically involves longer courses of antibiotics, sometimes given intravenously depending on which organs are affected.
Recovery from late-stage Lyme disease takes longer. Joint inflammation, nerve pain, or facial paralysis caused by the infection generally resolves with treatment, but the body needs more time to heal the damage the bacteria caused before antibiotics cleared them. Some people feel significantly better within weeks; others need several months before symptoms fully fade.
Why Some People Still Feel Sick After Treatment
Roughly 5 to 10 percent of people treated for Lyme disease experience lingering symptoms even after completing antibiotics. This is sometimes called Post-Treatment Lyme Disease Syndrome, or PTLDS. The most common complaints are fatigue, body aches, and difficulty thinking clearly, often described as “brain fog.”
The good news: these symptoms usually improve on their own over time. The difficult part is that “over time” can mean many months. Researchers are still working to understand exactly why this happens, and there are several leading theories.
One possibility involves the immune system itself. The initial infection can trigger an overactive immune response that continues even after the bacteria are gone, similar to how some viral infections leave behind weeks of fatigue. Another theory centers on tissue damage. If the bacteria caused inflammation in joints or nerve tissue before treatment began, the body may need a long recovery window to repair that damage, even though the infection is gone.
A more complex explanation involves a survival trick used by the Lyme bacterium. Under stress, including exposure to antibiotics or the body’s own immune defenses, the bacteria can shift into a dormant-like state where they stop growing and become temporarily tolerant to antibiotics. In this state, they essentially “play dead,” slowing their metabolism so dramatically that drugs designed to kill actively dividing bacteria can’t reach them effectively. The bacteria can also change their shape and hide in areas of the body where the immune system is less active. Whether these dormant forms actually survive a full course of treatment in humans and cause ongoing symptoms remains an active scientific question.
Importantly, extended courses of antibiotics beyond the standard 2 to 4 weeks have not been shown to help people with lingering symptoms. The CDC notes that patients with prolonged symptoms usually get better without additional antibiotics.
What Recovery Actually Looks Like
If you’re treated early, recovery is straightforward. You’ll take pills for about two weeks, and most people feel noticeably better before the course is even finished. You can expect to return to normal activities quickly.
If you were treated later or are one of the unlucky few with persistent symptoms, the timeline stretches. Fatigue and cognitive difficulties tend to be the slowest symptoms to resolve. There’s no specific test that tells you when you’re “done” recovering. Instead, it’s a gradual process where you have more good days than bad ones until the bad days stop coming.
The single most important thing you can do to ensure a full cure is to get treated as early as possible. If you develop a rash after spending time in a tick-prone area, or if you experience fever, joint pain, and fatigue in the weeks following a tick bite, getting tested and starting antibiotics promptly gives you the best chance of a quick, complete recovery.
Can You Get Lyme Disease Again?
Having Lyme disease once does not make you immune. You can be reinfected by another tick bite at any point in the future. Each new infection requires a new course of treatment. This is another reason early detection matters: people who live in areas with high tick populations may encounter the bacteria more than once in their lifetime, and each encounter is an independent event as far as your immune system is concerned.
Taking the bite out of Lyme disease
| By Win Reynolds
New studies offer insight into disease’s treatment, lingering symptoms
Northwestern scientists have identified an antibiotic that cures Lyme disease at a fraction of the dosage of the current “gold standard” treatment and discovered what may cause a treated infection to mimic chronic illness in patients.
Feinberg School of Medicine
Lyme disease, a disease transmitted when deer ticks feed on infected animals like deer and rodents, and then bite humans, impacts nearly half a million individuals in the U.S. annually. Lyme can be devastating; but early treatment with antibiotics can prevent chronic symptoms like heart and neurological problems and arthritis from developing.
What’s new
In two new studies led by bacteriologist Brandon L. Jutras, Northwestern scientists have identified an antibiotic that cures Lyme disease at a fraction of the dosage of the current “gold standard” treatment and discovered what may cause a treated infection to mimic chronic illness in patients. The studies were published in the journal Science Translational Medicine.
Jutras, who joined Northwestern faculty last summer, is an associate professor of microbiology-immunology at Northwestern University Feinberg School of Medicine and a member of the Center for Human Immunobiology at Northwestern. He has been studying Lyme disease for more than 15 years.
Besting the gold standard
The antibiotic doxycycline is the current gold standard treatment for Lyme. However, doxycycline and other generic antibiotics, wreak havoc on the microbiome, killing beneficial bacteria in the gut and causing troubling side effects even as it kills Borrelia burgdorferi, the bacteria that causes Lyme.
In addition to its negative impact on the gut, doxycycline also fails to help between 10 and 20% of individuals who take it, and it is not approved for use in young children — who are at the highest risk of tick bites, and therefore, of developing Lyme. More effective, or at least more specified, treatment options are needed as climate change extends tick seasons and Lyme becomes more prevalent.
Northwestern scientists identified that piperacillin, an antibiotic in the same class as penicillin, effectively cured mice of Lyme disease at 100-times less than the effective dose of doxycycline. At such a low dose, piperacillin also had the added benefit of “having virtually no impact on resident gut microbes,” according to the study.
The team screened nearly 500 medicines in a drug library, using a molecular framework to understand potential interactions between antibiotics and the Borrelia bacteria. Once the group had a short list of potentials, they performed additional physiological, cellular and molecular tests to identify compounds that did not impact other bacteria.
The authors argue that piperacillin, which has already been FDA-approved as a safe treatment for pneumonia, could also be a candidate for preemptive interventions for those potentially exposed to Lyme (with a known deer tick bite). They found that piperacillin exclusively interfered with the unusual cell wall synthesis pattern common to Lyme bacteria, preventing the bacteria from growing or dividing and ultimately leading to its death.
Understanding when Lyme lingers
Symptoms that persist long after Lyme disease is treated are not uncommon — a 2022 study found that 14% of patients who were diagnosed and treated early with antibiotic therapy would still develop Post Treatment Lyme Disease (PTLD). Yet doctors puzzle over the condition’s causes and how to help their patients through symptoms ranging from severe fatigue and cognitive challenges to body pain and arthritis.
Northwestern scientists believe they now know what causes the treated infection to mimic chronic illness: The body may be responding to remnants of the Borrelia cell wall which breaks down during treatment yet lingers in the liver. (This matches one theory behind the underlying causes of long COVID-19, in that persisting viral molecules may encourage a strong, albeit unnecessary, immune response, according to Jutras.)
In another new study, researchers tracked the biodistribution of peptidoglycan, a structural feature of virtually all bacterial cells and a common target of antibiotics, from different bacteria. They found that Lyme disease’s peptidoglycan persists for weeks to months. Lyme’s peptidoglycan is structurally unique, and this difference may be behind its persistence in humans.
Instead of looking the same as with other bacteria, the Lyme peptidoglycan is fundamentally distinct, which is facilitated in part by sucking up sugars from its tick vector. Upon bacterial cell death — by antibiotics or the immune system — surviving molecules tend to relocate to the liver, which can’t process the modified peptidoglycan. Without this modification, it seems likely that the peptidoglycan would clear right away, as in other infections.
“The unusual chemical properties of Borrelia peptidoglycan promote persistence, but it’s the individual patient response to the molecule that likely impacts the overall clinical outcome,” Jutras said. “Some patients will have a more robust or stronger immune response, which could result in a worse disease outcome, while the immune system of others may largely ignore the molecule. So, in essence, it’s not about whether the molecule is there or not, it’s more about how an individual responds to it.”
What’s next
Jutras hopes the groundbreaking findings will lead to development of more accurate tests, possibly for PTLD patients, and refined treatment options when antibiotics have failed. To effectively stymie PTLD, instead of neutralizing an infection that may no longer exist, efforts are underway to neutralize the inflammatory molecule.
Lyme prevention also remains a challenge — no approved human vaccine exists — and Jutras hopes his research moving forward will help with developing proactive strategies to diagnose and treat it.
“I think the future for Lyme disease patients is bright in that we are approaching an era of customized medicine, and we can potentially create a particular drug, or a combination to treat Lyme disease when others fail,” Jutras said. “The more we understand about the various strains and species of Lyme disease-causing Borrelia, the closer we get to a custom approach.”
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