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Do You Have Endometriosis and Fear Long COVID?

What the numbers suggest—and how to protect your energy, function, and care access

By Dr Steven Vasilev
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If you live with endometriosis, you already know what it’s like to have symptoms minimized, misunderstood, or mislabeled as “stress.” So it makes sense if the idea of long COVID feels especially scary: persistent fatigue, brain fog, sleep disruption, body pain, shortness of breath, and worsening day-to-day function can look like (or pile onto) the chronic burden you may already carry.


Recent evidence suggests there may be a real overlap: people with endometriosis appear more likely to report long COVID than people without endometriosis. This doesn’t mean you’re destined to develop long COVID—or that endometriosis “causes” it. But it does mean your history of endometriosis may be a useful flag for taking post-COVID symptoms seriously and getting help earlier rather than later.


Below is what these early numbers mean in plain language, how to interpret them for your life, and what to do if you’re dealing with ongoing symptoms after COVID.


What this evidence actually means for you (without the hype)


When researchers pooled the results of two large observational studies (over 216,000 people total), they found that having endometriosis was linked with a higher chance of long COVID.


Here are the two ways the results were presented:

  • Relative risk: people with endometriosis had about a 41% higher relative risk of long COVID than those without endometriosis (pooled RR 1.41).
  • Absolute numbers: long COVID was reported in about 16.2% of people with endometriosis versus about 10% of people without endometriosis.


That “relative” number (41% higher risk) sounds dramatic, but the “absolute” difference is often more helpful for your personal decision-making. Think of it this way: if 10 out of 100 people without endometriosis report long COVID, about 16 out of 100 people with endometriosis report long COVID in these datasets. That’s a meaningful difference—especially if you’re already stretched thin—but it’s not a guarantee.


Also important: the authors themselves caution that this is a modest association on an individual level (the risk estimate is under 1.5), even though it’s statistically very strong. Big datasets can make small differences look “very significant,” so your lived experience and your individual risk factors still matter.


Does this mean endometriosis causes long COVID?


No! This evidence cannot prove cause-and-effect.


These were observational studies, which means they can detect an association but can’t tell us whether:

  • endometriosis makes long COVID more likely,
  • long COVID makes endometriosis symptoms more likely to be recognized or documented,
  • or whether shared risk factors (like immune, inflammatory, hormonal, or socioeconomic factors) influence both.


What you can use this for is practical planning: if you have endometriosis and you notice symptoms lingering after COVID, you have more justification to push for follow-up rather than being told to “wait it out.”


What counts as long COVID (and what symptoms to watch for)


Definitions vary, which is part of why long COVID can be confusing and hard to get treated. Some studies look at symptoms lasting 4+ weeks, some 8+ weeks, and some focus on ongoing symptoms over time.


In one of the included datasets, endometriosis was linked with higher risk across multiple time cutoffs (4 weeks, 8 weeks, and “ongoing symptoms”). In real life, what matters is this: if symptoms persist and interfere with your function, it’s reasonable to seek assessment—even if you’re not at a specific week number yet.


Commonly reported long COVID symptoms include:

  • fatigue and post-exertional crashes (feeling worse after physical or mental effort)
  • cognitive issues (“brain fog,” slowed processing, memory problems)
  • sleep disturbance
  • muscle or joint pain
  • shortness of breath, chest tightness, palpitations
  • headaches, dizziness, new anxiety/depression symptoms

If you already live with endometriosis, you may also notice these symptoms interacting with your baseline: pain flares may feel harder to recover from, sleep disruption may worsen pain sensitivity, and fatigue can make it harder to keep up with pelvic floor therapy, movement, meal prep, or work accommodations.


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Why this overlap can hit endometriosis patients especially hard


Even if the increased risk is “modest,” the impact may be outsized when you’re already managing a chronic condition. Endometriosis often comes with:

  • long diagnostic delays and care barriers
  • chronic pain and fatigue that can limit energy reserves
  • higher rates of mood symptoms and sleep disruption (often driven by pain, not weakness)
  • medication juggling (hormonal suppression, pain meds, GI meds) and side effects

When persistent post-viral symptoms are added on top, the total burden can feel crushing. The most important practical implication of this research is not panic—it’s permission and leverage: you deserve thorough evaluation and symptom support if you’re not bouncing back after COVID.


What about adenomyosis?


You may see adenomyosis mentioned alongside endometriosis in discussions about inflammation and immune pathways. But here’s the key point for your decision-making:

This meta-analysis did not include adenomyosis-specific studies.

So you should not assume the same risk numbers apply to adenomyosis. If you have adenomyosis (with or without endometriosis) and you’re dealing with persistent post-COVID symptoms, your symptoms still deserve care—but the evidence base for adenomyosis specifically isn’t there yet.


If you have endometriosis and you get COVID: what can you do?


You can’t “willpower” your way out of long COVID. But you can put strategies in place that reduce the chance you’ll be dismissed and increase the chance you’ll get timely help.


Practical takeaways you can use this week

  1. Track your baseline and your change. If you get COVID (or recently had it), write down what “normal” looked like for you beforehand: fatigue level, pain days per week, sleep quality, ability to work/parent/exercise. Then track what changed and for how long. This is powerful in appointments.
  2. Aim for early follow-up if symptoms persist past a few weeks—especially if function is dropping. You don’t need to wait until you’re incapacitated to ask for assessment.
  3. Protect your pacing. If you notice you crash after activity, don’t let anyone shame you into “pushing through.” A common long-COVID pattern is post-exertional symptom worsening. Respecting your energy limits can prevent spirals.


Questions to ask your doctor (bring these to an appointment)

  • “Given my endometriosis history and persistent symptoms after COVID, can we document possible post-COVID condition and make a plan?”
  • “What medical causes should we rule out first (anemia/iron deficiency, thyroid issues, B12, sleep disorders, asthma, dysautonomia, etc.)?”
  • “What symptom treatments can we try now while we monitor recovery—sleep support, pain management adjustments, nausea/GI support, physical therapy, or breathing rehab?”
  • “Can you refer me to a long COVID clinic or rehabilitation service if symptoms persist?”
  • “Can we discuss workplace/school accommodations while I’m recovering?”


(If you’ve been medically gaslit before, it can help to bring a one-page symptom timeline and explicitly state: “My goal is function—work, self-care, mobility—not just a normal test result.”)


Red flags: when to seek urgent care


Seek urgent evaluation if you have new or worsening chest pain/pressure, severe shortness of breath, fainting, one-sided weakness, confusion, or any symptom that feels dangerous or rapidly escalating. Persistent symptoms deserve care; emergency symptoms deserve immediate care.


Reality check: what we still don’t know


This evidence is helpful—but limited. Only two observational studies were available for the pooled estimate, so we still don’t know:

  • whether the association holds across more diverse populations and healthcare systems
  • how severity of endometriosis, surgery history, hormonal suppression, or comorbid conditions change risk
  • which long COVID symptom clusters are most common in endometriosis patients
  • whether specific prevention or rehabilitation strategies work better in this group

So don’t use this to blame your body or assume the worst. Use it as a tool: if you’re not recovering, you’re not imagining it—and you’re not alone.

References

  1. Vallée A, Arutkin M, Ceccaldi PF, Feki A, Ayoubi JM. Long COVID and endometriosis: a systematic review and meta-analysis. BMC Women's Health. 2025.. DOI: 10.1186/s12905-025-03761-9

Quick Answers

Why does ovarian cyst pain keep coming back?

Ovarian cyst pain can feel “recurrent” for a few different reasons. Some cysts are functional (they form with ovulation and then resolve), so the pain returns in a similar spot month after month even though it’s not the exact same cyst. In other cases, the cyst itself can come back or persist—especially if it’s an endometrioma (an ovarian cyst caused by endometriosis), which can behave differently than a simple cyst and may be associated with deeper pelvic disease.


Another common reason is that the cyst isn’t the whole story: endometriosis on the pelvic sidewall, uterosacral ligaments, bowel, bladder, or around the ovary can irritate the same nerves and tissues and make it feel like “my cyst is back” when the driver is actually inflammatory disease nearby. Adhesions (scar-like bands) can also tether the ovary and cause recurring pulling or sharp pain, even when imaging doesn’t show a large cyst. If your pain cycles, escalates, returns quickly after a “normal” ultrasound, or keeps recurring despite prior treatment, our team can help you map the pattern, interpret imaging with an endometriosis lens, and decide whether targeted evaluation and—when appropriate—excision surgery is the next best step.

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Why do I have chronic fatigue and pelvic pain?

Chronic fatigue plus pelvic pain often feels “unexplainable” because it’s rarely caused by just one issue—and many of the most common drivers don’t show up on routine labs or a quick ultrasound. Endometriosis and adenomyosis can cause persistent pelvic pain, painful periods, bowel/bladder symptoms, and deep fatigue through inflammation, disrupted sleep, heavy bleeding (and possible iron deficiency), and the sheer energy cost of living with ongoing pain. It’s also common for more than one gynecologic condition to coexist—like fibroids, polyps, or benign cysts—so a single label may not fully match what you’re experiencing.


Another reason symptoms can persist is that the nervous system can become more pain-sensitive over time (often called central sensitization), meaning pain can spread, linger outside your cycle, or feel disproportionate to what imaging shows. In those cases, symptom relief alone can miss the bigger picture: we think in terms of both treating disease (for example, addressing endometriosis lesions or uterine drivers like adenomyosis/fibroids) and building a personalized pain-management plan so your body can “turn down the volume” on pain signals.


If your fatigue and pelvic pain have been brushed off or left without a clear plan, our team can help you sort through the likely contributors, including endometriosis/adenomyosis and common coexisting conditions, and map next steps that fit your goals. You can explore our educational resources on fatigue, chronic pelvic pain, and comprehensive treatment approaches, and reach out to schedule a consultation when you’re ready.

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Why does sex hurt more around my period?

Pain with sex that flares around your period often points to a hormonally driven pelvic pain source—meaning tissue and nerves in the pelvis become more inflamed and reactive in the days leading up to bleeding and during menstruation. Endometriosis is a common reason: lesions can irritate nearby nerves and organs, and the inflammatory chemicals they produce can amplify pain signals. Adenomyosis (endometrial-like tissue within the uterine muscle) can also make the uterus unusually tender and crampy, so penetration, orgasm-related uterine contractions, or even pelvic pressure can feel painful around that time.


The “where” and “when” of the pain matters. Deep pain with penetration can be related to endometriosis near the uterosacral ligaments, cervix/vaginal fornix, rectovaginal space, bowel, or bladder—especially if scarring or adhesions have altered how those structures move. Pain after sex or after orgasm can happen when pelvic floor muscles spasm or when uterine contractions tug on sensitized areas. If this pattern is recurring, our team can help map your symptom timing and triggers and evaluate for endometriosis, adenomyosis, pelvic floor dysfunction, and overlapping bladder/bowel involvement so treatment targets the real driver of your pain rather than just masking it.

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Why is my period pain so severe it disrupts my daily life?

Severe, life-disrupting period pain isn’t “normal cramps,” and it often points to an underlying driver that deserves a real explanation—not just symptom masking. One common cause is endometriosis, where tissue similar to the uterine lining grows outside the uterus and can irritate pelvic structures, trigger inflammatory chemicals, and sometimes involve organs like the bowel or bladder. Another key point is that pain severity doesn’t reliably match “stage,” so someone can have intense pain even if imaging looks normal or disease appears limited.


When period pain is severe, worsening over time, starts years after your first period, or comes with heavy bleeding, painful sex, bowel pain with periods, urinary pain, or fatigue, we think in patterns—because endometriosis and related conditions can overlap with pelvic floor dysfunction, nerve pain/central sensitization, GI dysbiosis, vascular issues, or adenomyosis. Our approach is to take your full timeline and flare pattern seriously and then tailor evaluation with careful exam and expertly interpreted imaging when helpful. If your pain is disrupting school, work, relationships, or daily functioning, reach out to schedule a consultation—our team can help you identify what’s driving it and map out a plan aimed at lasting relief.

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How rare is endosalpingiosis?

Endosalpingiosis is generally considered uncommon, but “how rare” it is depends heavily on who’s being studied and how it’s found. Many cases are discovered incidentally on pathology—meaning tissue is identified under the microscope after surgery done for other reasons—so it’s likely underrecognized in the general population. In other settings (like surgical cohorts), it may appear more often simply because more tissue is being sampled and examined carefully.


What matters most for patients is that endosalpingiosis can be confused with endometriosis on imaging or even at surgery, yet it doesn’t always behave the same way clinically. If you’ve been told you have endosalpingiosis and you also have pelvic pain, bowel/bladder symptoms, or fertility concerns, our team can help interpret what that finding means in the context of your symptoms and operative/pathology reports. You’re welcome to explore our educational content on related endometriosis and uterine conditions, and reach out to schedule a consultation if you want a personalized plan.

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Have a question?

Lotus Endometriosis Institute provides California-based surgical evaluation and advanced excision care for patients with suspected endometriosis, adenomyosis, complex pelvic pain, and related conditions.


Many patients contact us from outside California to learn whether traveling for in-person evaluation and possible surgery may be appropriate.

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