How many days does a bedbug bite itch? - briefly
A bed‑bug bite usually causes itching for about three to fourteen days, though some reactions can persist for several weeks. The duration depends on individual sensitivity and the severity of the bite.
How many days does a bedbug bite itch? - in detail
A bed‑bug bite usually begins to itch within a few hours after the puncture. The most intense pruritus lasts between 2 and 5 days, after which the sensation gradually subsides. Several factors can extend or shorten this period:
- Individual sensitivity – people with heightened allergic responses may experience itching for up to 7–10 days.
- Number of bites – clusters of bites create larger inflammatory zones, prolonging discomfort.
- Secondary infection – scratching that breaks the skin can introduce bacteria, adding days of irritation.
- Treatment applied – topical corticosteroids, antihistamines, or soothing lotions can reduce itching by 30‑50 % within the first 24 hours.
Typical timeline
- 0–12 h: mild redness, faint tingling.
- 12–48 h: swelling peaks, itch intensifies.
- 48 h–5 d: itch remains strong, may fluctuate.
- 5–10 d: gradual fading of redness; residual itch may persist in sensitive individuals.
If itching continues beyond two weeks, or if the lesion shows excessive swelling, pus, or fever, medical evaluation is advised to rule out infection or an allergic reaction. Prompt use of over‑the‑counter antihistamines and a cold compress can accelerate relief and limit the duration of discomfort.