What does a tick bite look like a week later?

What does a tick bite look like a week later? - briefly

Around seven days after attachment, the bite site typically appears as a small, pink‑red papule that may be slightly raised, and in some cases an expanding, concentric rash (erythema migrans) develops. If no infection occurs, the area often remains barely noticeable and resolves without intervention.

What does a tick bite look like a week later? - in detail

A week after a tick attachment, the site typically shows one or more of the following characteristics:

  • Redness: A small, localized erythema may persist or expand. The margin can be uniform or irregular, often measuring a few millimeters to a centimeter in diameter.
  • Central clearing: In some cases, a pale area develops in the center of the rash, creating a target‑like pattern. This “bull’s‑eye” configuration is a classic sign of certain tick‑borne infections.
  • Swelling: Mild edema around the bite may be evident, especially if the bite was deep or the tick remained attached for an extended period.
  • Pain or itching: Sensations range from mild tenderness to pruritus. Discomfort may increase if inflammation progresses.
  • Lesion evolution: The initial puncture mark may become a raised papule or a flat macule. If infection spreads, the border can become raised, forming a palpable rim.
  • Secondary signs: Fever, fatigue, headache, or muscle aches may accompany the skin changes, indicating systemic involvement.

If the redness enlarges rapidly, the lesion develops a necrotic center, or systemic symptoms appear, medical evaluation is warranted. Early detection of tick‑borne diseases relies on recognizing these visual and symptomatic cues within the first week after exposure.