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Sunburn is skin damage caused by overexposure to ultraviolet (UV) rays from the sun or sunbeds, causing redness, pain, and sometimes blistering. It can occur even on cloudy days and can significantly increase the long-term risk of skin cancer.
Evidence checked against current HSE guidance for Sunburn, covering the article's core clinical information and relevant assessment, management or safety considerations.
Public health education article
Self-care advice — See a doctor if sunburn is severe, widespread, blistering extensively, or accompanied by signs of heat exhaustion.
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Topic-specific prevention and risk reduction will be added during the article-specific evidence audit.
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Sunburn is skin damage caused by overexposure to ultraviolet (UV) rays from the sun or sunbeds, causing redness, pain, and sometimes blistering. It can occur even on cloudy days and can significantly increase the long-term risk of skin cancer.
Topic-specific prevention and risk reduction will be added during the article-specific evidence audit.
Sunburn covers a large area of the body
Sunburn is skin damage caused by overexposure to ultraviolet (UV) rays from the sun or sunbeds, causing redness, pain, and sometimes blistering. It can occur even on cloudy days and can significantly increase the long-term risk of skin cancer.
Symptoms usually appear within a few hours of exposure and can worsen over the following day, including pain, swelling, and in severe cases, symptoms of heat exhaustion such as headache and nausea.
See a doctor if sunburn is severe, widespread, blistering extensively, or accompanied by signs of heat exhaustion.
These measures can help ease symptoms, support recovery, and reduce the chance of things worsening — but they don't replace medical advice if symptoms are severe or persistent.
BarnMD Health Intelligence uses authoritative and clinically relevant sources appropriate to the topic. References are shown so readers can inspect the evidence directly.
BarnMD Health Library provides general health education for public health literacy. Reading this article does not establish a doctor-patient relationship and this information is not a diagnosis, prescription, or personalised treatment plan. If you have symptoms or concerns about your health, seek appropriate advice from a qualified healthcare professional. If you develop emergency warning signs, seek urgent or emergency medical attention.
Sunburn usually improves within a few days with cooling and moisturising, but repeated sunburn significantly raises long-term skin cancer risk.
Prevention is always better than treatment — regular high-SPF sunscreen and seeking shade during peak hours protect you far better than after-the-fact care.