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Health guidanceUnited Kingdom with regional context

Can a tick bite cause a blister?

A blister can occur with local skin reactions or other conditions, but a photograph cannot establish the cause and significant or worsening lesions need advice.

Reviewed by VuxLore® Knowledge Team For Everyone

Short answer

A blister can occur with local skin reactions or other conditions, but a photograph cannot establish the cause and significant or worsening lesions need advice.

At a glance

A blister can occur with local skin reactions or other conditions, but a photograph cannot establish the cause and significant or worsening lesions need advice. A bite cannot be interpreted from appearance alone. Record the event and use current clinical guidance for significant local change, rash, illness or vulnerability.

Key takeaways

• A blister can occur with local skin reactions or other conditions, but a photograph cannot establish the cause and significant or worsening lesions need advice.

• A bite cannot be interpreted from appearance alone. Record the event and use current clinical guidance for significant local change, rash, illness or vulnerability.

• This article is educational and cannot diagnose, exclude or treat illness. Use NHS 111, a GP, emergency services or the corresponding local service according to symptom severity.

Direct answer

A blister can occur with local skin reactions or other conditions, but a photograph cannot establish the cause and significant or worsening lesions need advice.

Use it in context

A bite cannot be interpreted from appearance alone. Record the event and use current clinical guidance for significant local change, rash, illness or vulnerability.

Next step

This article is educational and cannot diagnose, exclude or treat illness. Use NHS 111, a GP, emergency services or the corresponding local service according to symptom severity.

Sources and further reading

NHS: Lyme disease

National Institute for Health and Care Excellence: Lyme disease: diagnosis and management (NG95)

UK Health Security Agency: What is Lyme disease and how is it diagnosed and treated?