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Definition:
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A vesicle is a small fluid-filled blister.
See also: Bulla
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Alternative Names:
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Blisters
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Considerations:
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A vesicle is small -- it may be as tiny as the top of a pin or up to 5 or 10 millimeters wide.
In many cases, vesicles break easily and release their fluid onto the skin. When this fluid dries, yellow crusts may remain on the skin surface.
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Common Causes:
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Many diseases and conditions can cause vesicles. Some common examples include:
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Home Care:
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As a general rule, your doctor should examine any skin rashes, including vesicles.
Over-the-counter treatments are available for certain conditions that cause vesicles, including poison ivy and cold sores.
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Call your health care provider if:
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Call your doctor if you have any unexplained blisters on your skin.
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What to expect at your health care provider's office:
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Your doctor will look at your skin. Some vesicules can be diagnosed simply by how they look.
In many cases, however, additional tests are needed. The fluid inside a blister may be sent to a lab for closer examination. In particularly difficult cases, a skin biopsy may be needed to make or confirm a diagnosis.
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References:
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Armstrong CA. Examination of the skin and approach to diagnosing skin diseases. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 462.
Rapini RP. Clinical and pathologic differential diagnosis. In: Bolognia JL, Jorizzo JL, Rapini RP, eds. Dermatology. 2nd ed. Philadelphia, Pa: Mosby Elsevier; 2008:vol 1.
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