What does a bedbug bite look like and what are the symptoms? - briefly
Bedbug bites manifest as tiny, red, raised spots that may form a linear or clustered pattern, each centered around a pinpoint puncture. They typically cause itching, swelling, and can trigger mild allergic reactions such as rash or hives.
What does a bedbug bite look like and what are the symptoms? - in detail
Bedbug bites appear as small, raised welts that are typically 2–5 mm in diameter. The lesions are often red or pink and may develop a darker halo around the center. Individual marks are round or oval, and when several insects feed in close proximity, the bites can form a linear or clustered pattern resembling a “breakfast‑n‑cereal” arrangement. The puncture points are not visible to the naked eye; the skin reaction results from the insect’s saliva.
Common reactions include:
- Itching that ranges from mild to intense, often worsening several hours after the bite.
- Swelling that may extend a few millimeters beyond the visible mark.
- Redness that can spread outward, forming a faint ring.
- A burning or stinging sensation in some individuals.
- In rare cases, a secondary infection if the skin is scratched excessively.
Systemic symptoms are uncommon but may occur in sensitive persons. These can involve:
- Headache, fever, or malaise.
- Nausea or vomiting.
- Hives or widespread rash if an allergic response is triggered.
The onset of visible signs typically occurs within minutes to a few days after exposure. Most reactions resolve within one to two weeks without medical intervention, although antihistamines or topical corticosteroids can accelerate relief for persistent itching or inflammation. Persistent or worsening lesions, signs of infection such as pus, increasing pain, or spreading redness, warrant professional evaluation.