Read below about spontaneous upper arm pain, including causes and common questions. Or get a personalized analysis of your spontaneous upper arm pain from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

This symptom can also be referred to as:
Upper arm hurts for no reason

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2 Potential Spontaneous Upper Arm Pain Causes

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

  1. 1.Upper Arm Bone Infection (Osteomyelitis)

    Osteomyelitis of the upper arm is a bacterial or fungal infection of the bone, typically caused by Staph Aureus (40-50% of the time). It is difficult to diagnose as the infection can come from a break in the skin at the area or anywhere else in the body that spreads by blood.

    Improvement during a 6-week treatment with antibiotics

    Rarity:
    Rare
    Top Symptoms:
    moderate fever, constant upper arm pain, spontaneous upper arm pain, warm red upper arm swelling, painful surgical site
    Symptoms that always occur with upper arm bone infection (osteomyelitis):
    constant upper arm pain, spontaneous upper arm pain
    Urgency:
    Hospital emergency room

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  2. 2.Ewing Sarcoma

    Ewing sarcoma is a type of bone cancer often affecting the legs, pelvis, ribs, arms or spine. It can occur anytime during childhood and young adulthood; it is rarely seen in adults.

    Curable with total treatment lasting 8-12 months

    Rarity:
    Rare
    Top Symptoms:
    fatigue, loss of appetite, new headache, fever, rib pain
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Spontaneous Upper Arm Pain

  • Q.About your [upper arm], do you notice:
  • Q.About your [shoulder], do you notice any of the following?
  • Q.About your [forearm], do you notice:
  • Q.Any fever today or during the last week?

If you've answered yes to one or more of these questions, try our spontaneous upper arm pain symptom checker to find out more.

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Spontaneous Upper Arm Pain Symptom Checker Statistics

  • People who have experienced spontaneous upper arm pain have also experienced:

    • 19% Pain in One Shoulder
    • 7% Pain in One Arm
    • 6% Pain in the Upper Arm
  • People who have experienced spontaneous upper arm pain had symptoms persist for:

    • 37% Over a Month
    • 22% Less Than a Week
    • 19% Less Than a Day
  • People who have experienced spontaneous upper arm pain were most often matched with:

    • 9% Upper Arm Bone Infection (Osteomyelitis)
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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