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Image of an early atypical Lyme rash: what does it show?

This photograph documents erythema migrans before it developed the familiar target-like appearance.

Reviewed by VuxLore® Knowledge Team For People

Image of an early atypical Lyme rash: what does it show?

Short answer

This photograph documents erythema migrans before it developed the familiar target-like appearance.

At a glance

A rights-cleared example showing why an early Lyme rash need not look like a textbook bullseye.

Key takeaways

• Erythema migrans does not always look like a bullseye

• Change and expansion over time matter

• A photograph cannot diagnose an individual rash

What does this Lyme rash image show?

This photograph records erythema migrans on a thigh about one week after its initial presentation. It did not yet show a classic target-shaped pattern.

Why is this useful?

People should not wait for a perfect bullseye. Erythema migrans can be uniformly red, oval or irregular and may expand gradually. Appearance alone cannot diagnose Lyme disease.

When should you seek advice?

Seek appropriate medical advice if a rash expands after possible tick exposure or if concerning symptoms develop.

Sources and further reading

UK Lyme disease guidance and data

For current UK clinical advice, public-health guidance and surveillance data, consult these primary national sources.

  1. Lyme disease — NHS opens in a new tab
  2. Lyme disease: diagnosis and management (NG95) — NICE opens in a new tab
  3. Lyme disease: management and prevention — UKHSA opens in a new tab
  4. Lyme disease surveillance dashboard — UKHSA opens in a new tab
  5. Lyme disease — NHS Inform Scotland opens in a new tab