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Healthline
“Bedbug bites generally run in a line on exposed parts of the body, such as the face, arms, hands, or neck… Bite marks often appear in the ‘breakfast, lunch, dinner’ pattern — a line or zigzag of three or more bites.”
Dermatology July 31st 2025
GoodRx for Healthcare Professionals
Spider bites that worsen after 2–3 days, develop black skin, or cause systemic symptoms like fever or vomiting may signal a venomous bite or infection.
Allergy & Immunology July 3rd 2025
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