Bed bug bites often appear in zig-zag lines or clusters of three or more bites, and may take up to 14 days to appear.
Scratching them can lead to secondary skin infections, which may require antihistamines or antibiotics.
In rare cases, bed bug bites can cause anaphylaxis, which can be life-threatening.
Bed bug bites typically present as small, itchy, red bumps clustered in zig-zag patterns of three or more. The bite marks can appear one day after getting bitten or up to 14 days later.1
What Do Bed Bug Bites Look Like?
Bed bug and bite infographic illustration
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Bed bug bites can look different for everyone. Some bites are small with slightly raised edges that resemble pimples. Others can swell to five centimeters in diameter, forming larger, itchy welts known as wheals.
