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PubMed This is a summary of 22 peer-reviewed journal articles Updated
Neurology · POEMS Syndrome

Symptoms and Warning Signs of POEMS Syndrome

At a Glance

POEMS syndrome commonly causes painful, progressive nerve damage, weakness, swelling, and skin changes, but sudden weakness, severe breathing trouble, vision loss, or chest pain can signal a medical emergency requiring immediate care.

POEMS syndrome is a multisystem disorder, meaning it affects many parts of your body simultaneously. While the disease is slow-moving for most people, the combination of nerve damage and fluid buildup can lead to significant physical changes. Understanding the “typical” symptoms versus “red flags” can help you navigate your care more effectively.

The POEMS Polyneuropathy

Nearly every person with POEMS syndrome experiences polyneuropathy—damage to multiple nerves that typically begins in the feet and moves upward [1].

While it is often mistaken for Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP), POEMS neuropathy has distinct characteristics:

  • Intense Pain: Unlike the “numbness” often found in other neuropathies, POEMS is frequently associated with severe, burning, or aching pain in the lower extremities [2].
  • Motor Predominance: Weakness often feels more prominent than the loss of sensation. You may find it increasingly difficult to lift your toes or walk without tripping [3].
  • Axonal Degeneration: Both POEMS and CIDP typically show demyelination (loss of the nerve’s insulation), and CIDP can also be painful. However, in POEMS, the nerve fibers themselves (axons) often show early or marked secondary loss, which can lead to more permanent weakness if not treated promptly [4][2].
  • Disability: Because the nerve damage can be aggressive, about 35% of patients require a wheelchair or become bedbound by the time they are correctly diagnosed [5].

Fluid and Organ Changes

The excess VEGF (Vascular Endothelial Growth Factor) mentioned in your diagnosis overview makes your blood vessels “leaky,” leading to extravascular volume overload [6].

  • Edema and Ascites: You may notice significant swelling in your legs (edema) or a firm, distended abdomen caused by fluid buildup (ascites) [7][8].
  • Organomegaly: It is common for the liver, spleen, or lymph nodes to become enlarged as they react to the inflammatory signals in your body [9].
  • Skin Changes: Between 54% and 84% of patients notice skin changes, such as patches of darkening (hyperpigmentation), thickening of the skin, or the growth of fine, dark hair in unusual places (hypertrichosis) [10][11].

Red Flags and Emergencies

It is important to remember that most POEMS symptoms progress slowly over weeks or months. However, the “leaky” nature of the vessels and the high levels of inflammation can lead to sudden, serious complications.

Call 911 or seek immediate emergency care for:

  • Sudden Weakness or Slurred Speech: High levels of inflammation and “thick” blood increase the risk of ischemic stroke [12].
  • Severe Shortness of Breath: If you suddenly cannot catch your breath, or if you cannot breathe while lying flat, it may indicate a rapid buildup of fluid around the lungs (pleural effusion) or a dangerous rise in lung blood pressure (pulmonary hypertension) [13][14].
  • Sudden Vision Loss or “Blackouts”: Papilledema (swelling of the optic nerve due to pressure in the brain) can cause sudden vision changes or brief episodes where your vision goes dark when you stand up [15][16].
  • Severe Chest Pain: POEMS significantly increases the risk of blood clots (thrombosis), including heart attacks or clots that can travel to the lungs [17][18].

Contact your specialist for a same-day evaluation if you notice:

  • Rapidly Worsening Weakness: If you lose the ability to walk or perform daily tasks much faster than usual [19].
  • Unilateral Leg Swelling: Sudden swelling, warmth, or pain in just one leg can be a sign of a deep vein thrombosis (DVT) [17].
  • Severe New Headache: Particularly a headache that is worse when lying down or waking up, which can be a sign of increased brain pressure [15].
  • Severe Abdominal Pain: This can sometimes indicate a clot in the veins of the liver or intestines [20][21].
  • Decreased Urination: New or worsening kidney impairment is a common complication that requires prompt adjustment of your medications [8].

Warning: Do not start taking aspirin or any blood thinner on your own to prevent clots; thrombosis prevention must be individualized based on your kidney function and treatment [12].

Routine symptoms like stable swelling (without new or worsening features), chronic nerve pain, or skin changes are typical of the disease and should be discussed at your next scheduled appointment. Monitoring these signs closely helps your care team determine if your treatment is working or if your VEGF levels are still too high [22].

Common questions in this guide

What symptoms are most common in POEMS syndrome?
Most people with POEMS syndrome develop polyneuropathy, often with burning or aching pain and weakness that starts in the feet and moves upward. Leg swelling, abdominal fluid buildup, enlarged organs or lymph nodes, and skin changes can also occur.
How does POEMS-related neuropathy differ from CIDP?
Both conditions can cause demyelination, and CIDP can be painful. POEMS neuropathy is often especially painful and weakness-predominant, with early or marked damage to the nerve fibers themselves, which can lead to lasting weakness.
When should I seek emergency care for POEMS symptoms?
Call 911 or seek immediate care for sudden weakness or slurred speech, severe shortness of breath, sudden vision loss or blackouts, or severe chest pain. These symptoms can signal a stroke, serious fluid or pressure problems, or a blood clot.
Which POEMS symptoms need a same-day specialist evaluation?
Rapidly worsening weakness, sudden swelling or pain in one leg, a severe new headache, severe abdominal pain, or decreased urination should be evaluated the same day. These signs may reflect a blood clot, increased pressure, or worsening kidney-related fluid problems.
Can POEMS syndrome cause vision changes?
Yes. Papilledema, or swelling of the optic nerve from increased pressure in the brain, may cause blurred vision, sudden vision loss, or brief blackouts when you change position. New vision changes need urgent medical assessment.
Should I take aspirin or a blood thinner to prevent clots with POEMS?
Do not start aspirin or a blood thinner on your own. Your specialist should individualize clot prevention based on your kidney function, current treatment, and risk of thrombosis.
Could my swelling be caused by POEMS or a heart or kidney problem?
POEMS can cause leg swelling and abdominal fluid buildup because blood vessels become leaky, but heart or kidney problems can also contribute. Your care team may need to assess organ function and other causes before changing treatment.

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References

References (22)
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    Prevalence, clinical profiles, and prognosis of POEMS syndrome in Japanese nationwide survey.

    Suichi T, Misawa S, Beppu M, et al.

    Neurology 2019; (93(10)):e975-e983 doi:10.1212/WNL.0000000000008062.

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    Clinical and electrophysiological profiles in early recognition of polyneuropathy, organomegaly, endocrinopathy, M-protein, and skin changes syndrome.

    Wang Q, Liu P, Ji LL, et al.

    Chinese medical journal 2019; (132(14)):1666-1672 doi:10.1097/CM9.0000000000000318.

    PMID: 31268911
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    Neurological Peculiarities of POEMS Syndrome: Experience From a Brazilian University Center.

    Rosenstein RF, Soares Baima JP, Meneguin Pereira TD, et al.

    Muscle & nerve 2026; (73(3)):421-426 doi:10.1002/mus.70114.

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    Diagnostic challenges in POEMS syndrome presenting with polyneuropathy: A case series.

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    Journal of the neurological sciences 2017; (378()):170-174 doi:10.1016/j.jns.2017.05.019.

    PMID: 28566158
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    Clinical characteristics, risk factors, and outcomes of POEMS syndrome: A longitudinal cohort study.

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    Neurology 2020; (95(3)):e268-e279 doi:10.1212/WNL.0000000000009940.

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    Polyneuropathy, Organomegaly, Endocrinopathy, M-Protein, and Skin Changes (POEMS) Syndrome With Characteristic Muscle Biopsy Findings and Without M-Protein.

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    Renal impairment in patients with polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy and skin changes syndrome: incidence, treatment and outcome.

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    POEMS syndrome: a rare cause of adrenal insufficiency in a young male.

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    A Multicenter Analysis of Clinical Features and Long-Term Outcomes of POEMS Syndrome in Korea.

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    Journal of Korean medical science 2024; (39(2)):e5 doi:10.3346/jkms.2024.39.e5.

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    POEMS syndrome presentation with progressive weakness in upper and lower limbs: A case report.

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    Characteristics and risk factors for thrombosis in POEMS syndrome: A retrospective evaluation of 230 patients.

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    American journal of hematology 2022; (97(2)):209-215 doi:10.1002/ajh.26422.

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    Pulmonary manifestations of POEM syndrome: a retrospective analysis of 282 cases.

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    Atypical central retinal artery occlusion as the first presentation of POEMS syndrome: a case report.

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This page is for informational purposes only and does not constitute medical advice. Ask your POEMS specialist how your symptoms should be evaluated, and seek emergency care for urgent warning signs.

Guide contents Polyendocrine-polyneuropathy syndrome
Research & Literature
01 Understanding Your POEMS Syndrome Diagnosis 03 Diagnosis and The POEMS Criteria