Read below about swelling of one ear, including causes and common questions. Or get a personalized analysis of your swelling of one ear 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.

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2 Potential Swelling of One Ear 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.Swimmer's Ear (Otitis Externa)

    Swimmer's ear, also known as otitis externa, is inflammation, irritation, or infection of the outer ear and ear canal.

    7-10 days

    Rarity:
    Common
    Top Symptoms:
    fever, ear canal pain, ear fullness/pressure, jaw pain, ear pain that gets worse when moving
    Urgency:
    Primary care doctor

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  2. 2.Relapsing Polychondritis

    Relapsing polychondritis is an episodic, inflammatory and destructive disorder involving primarily cartilage of the ear and nose. It can also potentially affect the eyes, tracheobronchial tree, heart valves, kidneys, joints, skin, and blood vessels.

    Episodes of inflammation can last a few days to several weeks that then subside spontaneously or with treatment. Attacks may recur at intervals varying from weeks to months.

    Rarity:
    Rare
    Top Symptoms:
    shortness of breath, joint pain, congestion, runny nose, wheezing
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Swelling of One Ear

  • Q.Any fever today or during the last week?
  • Q.Is there anything coming from your ear(s)?
  • Q.Have you ever been diagnosed with diabetes?
  • Q.Do you often come into contact with hot tubs, swimming pools, or other sources of standing water?

If you've answered yes to one or more of these questions, try our swelling of one ear symptom checker to find out more.

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Swelling of One Ear Symptom Checker Statistics

  • People who have experienced swelling of one ear have also experienced:

    • 19% Pain in One Ear Canal
    • 6% Outer Ear Pain
    • 5% Ear Canal Pain
  • People who have experienced swelling of one ear had symptoms persist for:

    • 50% Less Than a Week
    • 32% Less Than a Day
    • 8% Over a Month
  • People who have experienced swelling of one ear were most often matched with:

    • 65% Swimmer's Ear (Otitis Externa)
  • 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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