How to treat bedbug bites on a person: photos, signs? - briefly
Bedbug bites appear as red, itchy papules or wheals, frequently grouped in rows or clusters with a possible tiny puncture mark. Apply a soothing antihistamine or corticosteroid cream, consider oral antihistamines for intense irritation, keep the area clean, and launder infested linens in hot water to prevent further reactions.
How to treat bedbug bites on a person: photos, signs? - in detail
Bedbug bites typically appear as small, red welts arranged in a linear or clustered pattern. The lesions often develop within a few hours after a feed, but some individuals may not notice any reaction for up to 24 hours. Common characteristics include:
- Raised, itchy papules or vesicles, 2–5 mm in diameter
- Dark‑red or pink coloration, sometimes surrounded by a lighter halo
- Bite groups following the “breakfast‑lunch‑dinner” line, reflecting the insect’s movement along the skin
- Absence of a bite mark on the head, neck, or elbows, where bedbugs rarely feed
Photographic documentation shows the progression from fresh erythema to post‑inflammatory hyperpigmentation that can persist for weeks. The images also illustrate secondary excoriation caused by scratching, which increases infection risk.
Effective management consists of three phases: symptom control, skin protection, and monitoring for complications.
Symptom control
- Clean the area with mild soap and lukewarm water; pat dry.
- Apply a cold compress for 10–15 minutes to reduce swelling and itch.
- Use over‑the‑counter antihistamine tablets (e.g., cetirizine 10 mg) or topical antihistamine creams to alleviate pruritus.
- For persistent inflammation, a low‑potency corticosteroid cream (hydrocortisone 1 %) may be applied twice daily for up to five days.
Skin protection
- Keep fingernails trimmed to minimize damage from scratching.
- Cover lesions with breathable dressings if excoriation occurs.
- Avoid applying petroleum‑based ointments that can trap heat and exacerbate irritation.
Monitoring
- Observe for signs of bacterial infection: increasing redness, warmth, pus, or fever.
- Seek medical attention if lesions spread rapidly, if an allergic reaction develops (e.g., swelling of lips or throat), or if the bite area does not improve after a week of self‑care.
In addition to treating the bites, eliminating the source is essential. Steps include washing all bedding in hot water (≥ 60 °C), vacuuming mattresses, furniture, and cracks where insects hide, and employing approved bedbug‑specific insecticides or professional pest‑control services. Removing the infestation prevents new bites and reduces the likelihood of recurrent skin reactions.