Finding a lump on your neck, upper back, or behind your ear can be alarming—especially when headlines or images imply it means something serious. The truth is more nuanced. Not every lump is dangerous, but some should never be ignored. Understanding what these lumps may represent—and knowing when to seek medical advice—can make all the difference.
This article explains the most common causes, the warning signs to watch for, and when a lump may signal something more serious.
The Most Common Reason: Swollen Lymph Nodes
In many cases, a lump in these areas is simply a swollen lymph node. Lymph nodes are part of your immune system, and they often swell when your body is fighting:
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A cold or flu
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An ear or throat infection
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Dental issues
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Skin infections or inflammation
These lumps are usually:
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Soft or rubbery
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Tender to the touch
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Movable under the skin
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Temporary, shrinking as you recover
Other Possible Causes of Lumps
Cysts
Blocked oil glands can cause cysts that feel firm or squishy. They’re usually harmless but can become infected.
Boils or Abscesses
Painful, red lumps filled with pus—often caused by bacterial infection.
Lipomas
Soft, fatty growths that grow slowly and are almost always benign.
When a Lump Deserves Immediate Attention
While many lumps are harmless, doctors warn that certain signs should never be ignored, as they may point to more serious conditions—sometimes referred to as “silent” because they develop without pain.
Seek medical advice if a lump is:
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