Skip to main content
Lotus Endometriosis Institute solid color logo
chest

Shortness of Breath

Shortness of breath that worsens around your period can be a real—and often overlooked—clue that endometriosis may be affecting areas above the pelvis, such as the diaphragm or chest. It can also be worsened by heavy bleeding from adenomyosis that leads to anemia and low oxygen-carrying capacity.

A young female in exercise attire with her hand on her chest and clearly out of breath

Overview

Shortness of breath means feeling like you can’t get a full breath, becoming winded more easily than usual, or needing to “work harder” to breathe. In people with suspected or confirmed endometriosis, breathing symptoms that flare during menstruation are especially important to take seriously, because endometriosis can involve the diaphragm and (more rarely) the chest cavity. For others, breathing difficulty may be indirect—driven by pain, inflammation, fatigue, or anemia.


Endometriosis can irritate or infiltrate the diaphragm (the muscle under the lungs that helps you breathe). When symptoms are cyclical—worse right before or during bleeding—patients may notice shortness of breath alongside chest pain and/or shoulder pain (referred pain from the diaphragm). This pattern can be a hallmark of diaphragmatic endometriosis and should prompt a specialist evaluation rather than being written off as “just anxiety.”


Adenomyosis doesn’t typically implant in the chest, but it can still contribute to breathlessness in meaningful ways. Many people with adenomyosis have heavy menstrual bleeding, and chronic blood loss can cause iron-deficiency anemia—one of the most common reasons for feeling winded, lightheaded, or unusually fatigued, especially on exertion.


Because shortness of breath can also come from conditions unrelated to endometriosis/adenomyosis (asthma, infections, blood clots, heart issues, panic attacks, reflux, and more), the timing and pattern matter. Cyclical symptoms tied to your menstrual cycle—particularly with chest/shoulder pain—raise suspicion for thoracic or diaphragmatic involvement, while day-to-day breathlessness with heavy bleeding may point to anemia.


Living with “period breathing problems” can be frightening and disruptive: it may limit exercise, sleep, work, and even simple tasks like climbing stairs. If you’re experiencing this, consider an endometriosis-focused workup through a team experienced in complex disease mapping and treatment, starting with Evaluation & Diagnosis.

What It Feels Like

Patients often describe this symptom as air hunger (feeling like you can’t get a satisfying breath), tightness in the chest, or getting winded faster than normal—sometimes even while resting. Some notice they have to take frequent deep breaths, yawn repeatedly to “catch” air, or feel a sense of pressure under the ribs.


When endometriosis is contributing, a key feature can be cyclicity: symptoms may start in the days before bleeding, peak during menstruation, and then ease afterward. Some people notice it mainly with certain positions (lying flat) or with deeper breaths, laughing, coughing, or twisting—movements that engage the diaphragm.


Experiences vary widely. One person may have mild breathlessness that feels like reduced stamina; another may have episodes that feel intense, scary, and out of proportion to activity. If adenomyosis-related heavy bleeding is involved, breathlessness may come with fatigue, paleness, rapid heartbeat, or dizziness—especially during or after a heavy period.


Over time, some patients notice the pattern becoming more predictable (every cycle) or more frequent (starting earlier in the cycle), particularly if disease progresses or inflammation increases. Tracking symptoms on a calendar can be surprisingly helpful when advocating for appropriate testing and referral.

How Common Is It?

Endometriosis affects about 10% of women of reproductive age, but shortness of breath is not among the most common “classic” symptoms. When it occurs with a strong menstrual pattern, it’s often associated with diaphragmatic or thoracic endometriosis, which is considered uncommon compared with pelvic disease.


Research suggests that diaphragmatic endometriosis is detected in a minority of endometriosis patients, and not everyone with diaphragmatic lesions has breathing symptoms. In other words, absence of shortness of breath doesn’t rule out diaphragmatic disease, and presence of shortness of breath doesn’t confirm it—but cyclical breath symptoms are a meaningful clinical clue.


For adenomyosis, breathlessness is more often linked to the downstream effects of heavy bleeding (iron deficiency/anemia) rather than adenomyosis tissue directly affecting breathing. Notably, anemia severity doesn’t always match how “heavy” bleeding looks—some people acclimate to chronic blood loss, while others become symptomatic quickly.

Causes & Contributing Factors

In endometriosis, endometrial-like tissue can grow on or within the diaphragm and surrounding surfaces. During the menstrual cycle, these implants can trigger inflammation, swelling, and irritation, which may cause pain with breathing (taking a deep breath can tug on an inflamed diaphragm) and the sensation of not being able to inhale fully.


Endometriosis-related inflammation can also sensitize nerves and amplify pain signals, making breathing feel effortful even when oxygen levels are normal. If chest/diaphragm disease is present, symptoms may overlap with chest pain and shoulder pain due to referred nerve pathways.


With adenomyosis, the most common mechanism is iron-deficiency anemia from heavy bleeding: fewer red blood cells (or less hemoglobin) means less oxygen delivery to tissues, so your body compensates by breathing faster/harder and increasing heart rate. This can feel like being “out of breath” with minimal activity.


Several factors can worsen breathlessness during menstruation in either condition: severe pain (leading to shallow breathing), bloating/abdominal distension pushing upward, fatigue, and stress responses. Improving pain control, treating iron deficiency, and addressing the underlying disease process can all help—especially when guided by a specialist team familiar with complex endometriosis presentations.

Treatment Options

Treatment depends on the suspected driver—diaphragmatic/thoracic endometriosis, anemia from adenomyosis/heavy bleeding, pain-related shallow breathing, or another medical condition entirely. A thorough assessment through an endometriosis-focused team is important because standard evaluations may miss diaphragm involvement. Start with a comprehensive visit through Evaluation & Diagnosis and consider using the site Search to explore related resources.


Medical therapy may include hormonal suppression to reduce cyclical bleeding and inflammatory flares (e.g., continuous combined hormonal contraception, progestins, GnRH-based options), which can lessen cyclical chest/diaphragm symptoms for some patients. Learn more about options in Hormonal Therapy. For symptom relief, an individualized plan from Pain Management may also help reduce shallow breathing driven by pain.


Surgical treatment is often considered when symptoms suggest diaphragmatic endometriosis, when imaging/exam supports it, or when medical therapy fails or isn’t tolerated. For endometriosis, excision surgery is considered the gold standard—aiming to remove disease at the root rather than simply burning the surface. You can read about advanced approaches at Surgery & Advanced Excision and about the expertise behind complex cases with Dr. Steven Vasilev. (Diaphragm/chest involvement may require careful planning and, at times, multidisciplinary surgical coordination.)


For adenomyosis-related breathlessness, treating heavy bleeding and iron deficiency can be transformative. This may include hormonal therapy, iron supplementation (guided by labs such as ferritin), and addressing uterine disease directly. Options range from medical management to uterus-sparing procedures or hysterectomy in select cases—see Adenomyosis.


Supportive and integrative strategies can complement medical/surgical care: gentle paced activity, diaphragmatic breathing exercises (when not painful), anti-inflammatory nutrition, sleep support, and stress regulation tools. Many patients benefit from a whole-person plan through Integrative Medicine & Lifestyle Care. If you want to explore treatment pathways at Lotus, review our services.

When to Seek Help

Seek urgent/emergency care for shortness of breath that is sudden, severe, or accompanied by any of the following: chest pressure/crushing pain, fainting, blue lips, confusion, coughing blood, one-sided leg swelling/pain, rapid worsening, or new symptoms after surgery, travel, pregnancy/postpartum, or starting estrogen-containing hormones. These can signal serious conditions (like a blood clot, pneumonia, asthma attack, or heart problem) that require immediate evaluation.


If your shortness of breath is cyclical (worse during menstruation), occurs with chest pain or shoulder pain, or is paired with heavy bleeding and profound fatigue, it’s appropriate to schedule a specialist assessment. Bring a symptom diary (timing in your cycle, triggers like deep breaths/exertion, associated chest/shoulder pain, and bleeding volume) and ask about evaluation for diaphragmatic endometriosis and/or anemia.


Early, expert evaluation matters—endometriosis commonly takes 7–10 years to diagnose, and complex disease can be missed without targeted assessment. If you’re ready for a next step, you can schedule a consultation or contact us to discuss your symptoms and options.

Frequently Asked Questions

Can endometriosis really cause shortness of breath during my period?

Yes—especially when endometriosis involves the diaphragm or (more rarely) the chest cavity. A strong clue is cyclical symptoms: shortness of breath that flares right before or during menstruation and improves afterward. It may occur with chest pain and/or shoulder pain. Because many non-endo conditions can also cause breathlessness, a specialist evaluation is important; learn more about disease patterns at endometriosis and how assessment works at Evaluation & Diagnosis.

How could adenomyosis contribute to feeling winded?

Adenomyosis commonly causes heavy menstrual bleeding, which can lead to iron-deficiency anemia over time. When hemoglobin or iron stores are low, your body may struggle to deliver oxygen efficiently, making you feel short of breath with exertion (and sometimes at rest). This often comes with fatigue, fast heartbeat, or lightheadedness. A clinician can confirm this with blood tests and help treat both iron deficiency and the underlying uterine disease—see adenomyosis.

What symptoms suggest diaphragmatic endometriosis rather than anxiety or asthma?

The most helpful distinguishing feature is reproducible timing with your cycle (predictable monthly flares). People may also notice pain with deep breaths, pain under the ribs, or referred shoulder pain, sometimes alongside chest pain. Anxiety can certainly accompany frightening symptoms, but cyclical breathlessness deserves a physical workup, not dismissal. If you suspect this pattern, consider discussing diaphragmatic involvement and surgical mapping options with a specialist team experienced in complex endometriosis care like those who focus on Surgery & Advanced Excision.

Will imaging show endometriosis on the diaphragm or chest?

Sometimes, but not always. Ultrasound is excellent for many pelvic findings but can miss diaphragm disease, and even MRI may not detect all endometriosis lesions—especially smaller or superficial ones. Imaging can still be very helpful for surgical planning and for ruling in/out other conditions, but a normal scan doesn’t automatically rule out endometriosis. A symptom history plus expert evaluation often guides next steps; start with Evaluation & Diagnosis.

What treatments can actually improve period-related shortness of breath?

If symptoms are driven by cyclical endometriosis inflammation, hormonal suppression may reduce flares for some patients—see Hormonal Therapy. If diaphragmatic endometriosis is confirmed or strongly suspected and symptoms persist, excision surgery (gold standard for endometriosis) may be considered; learn more at Surgery & Advanced Excision and about expertise with complex cases from Dr. Steven Vasilev. If heavy bleeding/anemia is the driver, treating iron deficiency and controlling bleeding can significantly reduce breathlessness. Many patients benefit most from a combined plan that includes medical, surgical, and lifestyle support through our services.

Experiencing Shortness of Breath?

If you're dealing with this symptom, our specialists can help determine if endometriosis may be the cause and discuss your treatment options.

Schedule a Consultation

Reach Out

Have a question?

We understand that healthcare can be complex and overwhelming, and we are committed to making the process as easy and stress-free as possible.

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

9:00 am - 5:00 pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420