Shortness of Breath in Lyme Disease: What to Know
Air hunger, chest tightness, and breathlessness can occur in Lyme disease.
The causes are often physiologic—not psychological.
Careful evaluation matters.
When It’s Hard to Breathe: Could It Be Lyme?
Shortness of breath can feel frightening — especially when it strikes without warning or a clear cause.
While heart and lung conditions are common explanations, Lyme disease and associated co-infections can also affect breathing.
Lyme disease does not just cause joint pain and fatigue. It may also affect the nervous system, heart, muscles, and autonomic regulation of breathing.
Shortness of Breath: An Often Overlooked Symptom
Many Lyme disease patients describe episodes of shortness of breath. For some, it is a subtle struggle to take a full breath. For others, it presents as chest tightness, air hunger, or a racing heart after climbing stairs.
These symptoms are often dismissed but deserve careful evaluation.
In clinical practice, several conditions may contribute to new or worsening breathlessness, including:
- Autonomic dysfunction such as POTS
- Babesia co-infection
- Lyme carditis
- Immune-mediated respiratory inflammation
Asking the Right Questions
When evaluating Lyme-related dyspnea, several questions become important:
- Does the breathlessness occur at rest, with exertion, or while lying down?
- Are palpitations, dizziness, or chest discomfort present?
- Did symptoms begin suddenly or gradually?
- Have symptoms fluctuated over time?
- Is there a history of tick exposure or known Lyme co-infections?
What Shortness of Breath Can Mean in Lyme Disease
Autonomic Dysfunction (POTS)
Shortness of breath in Lyme disease is often linked to autonomic dysfunction, including POTS (Postural Orthostatic Tachycardia Syndrome).
Standing or exertion may trigger racing heartbeats, dizziness, chest tightness, and lightheadedness — symptoms sometimes mistaken for panic attacks.
Babesia Co-Infection
Babesia can cause air hunger, chest pressure, exertional intolerance, and
night sweats.
Because Babesia is a parasitic infection rather than a bacterial one, standard Lyme antibiotics alone may not relieve these symptoms.
In some patients,
Babesia treatment
can significantly improve breathlessness.
Lyme Carditis
Patients with Lyme-related heart block or arrhythmias may develop shortness of breath during even mild activity.
Breathlessness associated with chest pain, fainting, palpitations, or abnormal heart rhythms deserves urgent medical evaluation.
Respiratory Inflammation and Immune Response
Lyme disease may also contribute to pulmonary inflammation, phrenic nerve dysfunction, or vocal cord dysfunction.
In some patients, inflammatory responses — rather than direct infection — may contribute to:
- Chest tightness
- Air hunger
- Mild hypoxia
- Nonproductive cough
Some patients report worsening respiratory symptoms during Herxheimer reactions or later-stage illness.
When to Seek Urgent Evaluation
Shortness of breath should never be ignored.
Prompt medical evaluation is important if symptoms include:
- Difficulty breathing at rest
- Inability to lie flat comfortably
- Chest pain
- Rapid or irregular heartbeat
- Swelling in one leg
- Symptoms worsening progressively over days or weeks
These findings may indicate serious cardiac, pulmonary, or vascular conditions beyond Lyme disease.
Evaluation may include:
- Oxygen saturation testing
- Electrocardiogram (ECG)
- Chest imaging
- Echocardiography
Initial evaluation should begin with a primary care clinician and may require specialist referral.
The Role of Primary Care in Lyme-Related Dyspnea
Primary care is often where patients first report unexplained breathlessness.
A careful clinical history — especially one that includes tick exposure, co-infection risk, autonomic symptoms, and neurologic complaints — can significantly affect the diagnostic process.
These symptoms are physiologic, not psychological.
A diagnosis of anxiety without a medical workup may overlook dysautonomia, Babesia, Lyme carditis, or other treatable contributors.
What Patients Can Do
If you have Lyme disease and are experiencing shortness of breath:
- Track when symptoms occur
- Pay attention to posture, exertion, meals, and recovery patterns
- Ask about POTS, Babesia, or Lyme carditis
- Seek reevaluation if symptoms continue worsening
- Do not assume symptoms are “just anxiety” without proper assessment
Clinical Takeaway
Shortness of breath in Lyme disease is a physiologic symptom with multiple possible causes, including autonomic dysfunction, Babesia co-infection, Lyme carditis, and inflammatory respiratory involvement.
Because breathlessness may occasionally reflect serious cardiac or pulmonary complications, careful evaluation remains important — particularly when symptoms worsen, fluctuate significantly, or occur alongside chest pain, palpitations, or dizziness.
Identifying the underlying cause may improve both function and quality of life.
Frequently Asked Questions
Can Lyme disease cause shortness of breath?
Yes. Lyme disease may contribute to shortness of breath through autonomic dysfunction, Babesia co-infection, Lyme carditis, or inflammatory respiratory effects.
How is Babesia-related air hunger different?
Babesia often causes a sensation of not getting enough air despite normal oxygen levels. Night sweats and exertional intolerance commonly accompany these symptoms.
When should I seek urgent care for breathlessness?
Seek urgent evaluation for difficulty breathing at rest, chest pain, fainting, rapid heartbeat, inability to lie flat, or progressive worsening symptoms.
Is shortness of breath in Lyme disease just anxiety?
Not necessarily. Anxiety can affect breathing, but Lyme-related autonomic dysfunction, co-infections, and cardiac involvement should also be considered and evaluated appropriately.
For broader information on symptoms, testing, treatment, and co-infections, visit our
complete Babesia guide.
Related Reading
- Babesia and Lyme: What Patients Need to Know
- When Lyme Treatment Fails: Could It Be Babesia?
- Lyme Disease Co-Infections: Symptoms, Testing, and Treatment
References:
- Yang Q, Wang Y, Feng J, et al. Intermittent hypoxia from obstructive sleep apnea may cause neuronal impairment and dysfunction in central nervous system: the potential roles played by microglia. Neuropsychiatr Dis Treat. 2013;9:1077-1086.
- Krause PJ, Auwaerter PG, Bannwarth M, et al. Babesiosis. Infect Dis Clin North Am. 2015;29(2):357-370.
Dr. Daniel Cameron, MD, MPH
Lyme disease clinician with over 30 years of experience and past president of ILADS.
Symptoms • Testing • Coinfections • Recovery • Pediatric • Prevention
I had significant SOB with Lyme disease. I was constantly SOB and in the second month of my symptoms it slowly worsened over the course of 3 weeks until I ended up in the ER where I got oxygen and felt so much better. I then started hyperbaric treatments a month later and eventually it got much better. So yes I agree Shortness of breath is definitely real with Lyme.
I look for evidence of Babesia if my patient is being evaluated for a tick bore illness.
Dr.
I’ve had serious chest pain since August. Palpitations every morning. Went to the cardiologist and gastroenterologist. I have ulcers and gastritis that will not heal. I tested positive (Vibrant testing) Borrelia, Babesia microti and Bartonella quintana.
I can walk miles without issues but lying down and sleeping is a real problem. I started Dr. Rawls protocol plus some microbials on my own. Is this this right route? I’m going for ozone treatment this week as well. Thanks
My approach focuses on evaluating and treating persistent infection when clinically appropriate, rather than following fixed protocols. Management needs to be individualized and closely monitored, especially when symptoms involve the heart, sleep, or gastrointestinal system.
It could also be due to MCAS which is very often diagnosed alongside Lyme and other illnesses like long covid. I think this is an important thing that’s been missed from this article.
thanks for sharing. It is still worth a second look for Babesia even if patient with MCAS
30 couple year old nephew was diagnosed with Rocky mountain spotted fever and Lyme disease at the same time from a tick that had bitten him the year before it’s been a bit over 10 years he is having major swelling in his legs shortness of breath etc echocardiogram shows ventricles on the right side up here to be larger and working harder to push air into his lungs. Is all of this possibly related to the Lyme’s? Emergency inhalers sometimes relieve things briefly but this is progressively getting worse and very scary he is currently 46 years old.
I have patients with shortness of breath due to dysautonomia rather than problems with the ventricle. I have cardiologist and pulmonologist as neede
My husband more than likely hasn’t been bitten for over 20 years (you never know, he does walk in a city (Chicago) park–but…). He was treated for “Lyme” 2 times and we were bitten almost daily for years we lived in endemic Hudson River Valley. Exactly 7 days after a laser focused brain surgery to correct essential tremor, he developed sudden onset SOB. 1 hospitalization and three ER’s + 2 Urgent cares = no diagnosis. Cardio workup and some lung workup (still awaiting results of one test) ALL CLEAR. Fortunately we found a Functional Medicine MD who just dx’d Long Covid (husband had it 2 times- last time was 2023) and Lyme. Igenex testing sent off, and we insisted on doing Babesia. Ozone tx + several supplements, LDN. At home we will do our own protocol = nebulized glutathione, nebulized essential oils, (Buhner Pulmonary monographs) and other. Pending Igenex will proceed to possible abx. The functional medicine MD has treated many long covid pts. with success, and is Lyme literate. We are very lucky. Yesterday cardio looked nonplussed when we mentioned “Lyme” and tick borne illness resurfacing in this way and was party line on long covid. We are VERY fortunate that we knew what to do and found this doctor. As always grateful for your information Dr. Cameron. Your thoughts on the stealth Odocoilei would be appreciated. IgeneX says they are testing for it, but I understand it’s harder to detect and may be an underlying factor for many refractory cases.
I an sorry your husband when through so much. It is always hard juggle multiple issues. I am waiting to learn more about Odocoilei before posting
Yes, thank you so much. Since writing last, a functional med doctor has dx’d Long Covid, which as we know is strictly based on clinical symptoms. Due to hx with multiple tick bites (daily) in Upstate NY, and three + tx for the bullseye rashes + rx with doxy —Odocoilei needs to be ruled out with the more sensitive testing available today than what was/is available at the moment (Igenex, does its best), he is negative per IgeneX) As you can see very complex as you have a pt with known TBD previously treated, BUT current: sudden onset SOB after laser focused brain surgery to correct familial essential tremor. Symptoms include profound GI discomfort et alia, many. compatible with the known dysbiosis associated with long covid. 2 positive covid tests= last one in Dec. 2024 (seemingly smooth recovery) Now sudden onset profound fatigue (although has presented with fatigue even prior to Covid infections) and severe gastro symptoms, new SOB. Plan: work on mitochondrial support and recent research/tx sudies for lowering cytokines and boosting immunity. Really think Odocoilei needs to be r/o. Thanks for any thoughts you might share.
I had late stage Lyme (shooting pain in joints, pain in hands and ankles, feet), headaches, fatigue, shortness of breath, chest pain). I was dx in 1992. Went on a month of antibiotics.
Lately, developed shortness of breath (being treated for gerd and sinuses/allergies….sinuses all clear on CT scan) , have same chest pressure and shortness of breath….not gasping for air but feels like not enough air getting in.
So far, been a year with no clear answers. Also had all allergy testing with little allergy to mold and dust.
Could this be from Lyme? I have had period chest pain through years and had a holter monitor but lately chest pain and shortness of breath is more frequent. I’ve also had headaches very frequently. Drs do not comment when I tell them I had Lyme and have been looking at other causes, namely allergies, asthma, gerd or sinuses. So far, asthma, sinuses and allergy testing seems to be negative or not indicative.
Any ideas?
The are so many causes of illnesses these symptoms. Babesia is only only of many conditions for doctors to consider.
I believe I have had Lyme Disease for most of my long life(UK), including a ‘wrecked’ heart. I have recently been given Nitrofurantoin for a bout of recurrent-UTI. This has brought on a raft of symptoms including SOB and also severe left chest pain. I think this could be a Herx. reaction. On a previous occasion when this happened I went into hospital thinking I was dying, but I survived; they scratched their heads, and sent me home with laxatives. I’m beginning to think the UTI might also be Lyme, a one week Abx course is unlikely to solve anything, so this is likely to happen again. Should I look for hospital treatment if it does recur, and could it kill me.
A Herxheimer reaction might explain it.
My daughter had a confirmed tick bite in May. Went on doxycycline for 21 days. all seemed well until mid August when she started to experience chest pain and significant SOB (she’s a collegiate swimmer in excellent shape). Went to ER they said anxiety. She went back to college and things escalated (dizziness, fatigue, vision blurred, chronic chest tightness, air hunger). Numerous trips to ER, primary care etc. i insisted they run a tick panel. came back positive for acute and chronic Lyme. Saw infectious disease. he tested for babesia but it came back negative and he told her to go on anti anxiety meds (grrr). saw pulmonologist and cardiologist (little help…inhaler, which isn’t working) got into a functional llmd in early November and she put her on antiparasitics and antibiotics. Also started infrared sauna and a binder. My daughter is still struggling daily with the chest tightness. (x-rays, echo, chest ct, brain ct, brain mri in october all came back normal). She’s scared and at her breaking point. It’s disrupted her entire life and she’s no longer swimming…which is devastating. Any guidance would be very appreciated!
I have patients who don’t do so well on an everything but the kitchen sink approach. I have also found a pediatric or adult dose of Malarone helpful. I also have to assess for other causes. All the best
I have patients who don’t do so well on everything but the kitchen sink approach. I have also found a pediatric or adult dose of Malarone helpful. I also have to assess other causes. All the best