What are the signs and symptoms of sun poisoning?

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Last updated: June 9, 2025View editorial policy

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From the Guidelines

Sun poisoning is a severe form of sunburn characterized by redness, pain, swelling, and blistering of the skin, often accompanied by systemic symptoms, and individuals with fair skin are at increased risk, as supported by studies such as 1 and 1. The initial signs of sun poisoning include:

  • Intense redness and pain in sun-exposed areas
  • Blistering, swelling, and skin tenderness Systemic symptoms may develop, including:
  • Fever (typically 101-102°F)
  • Chills
  • Nausea
  • Vomiting
  • Headache
  • Dehydration
  • Dizziness
  • Fatigue Some people may experience confusion or faintness. Treatment involves cooling the skin with cold compresses or cool baths, staying hydrated with water and electrolyte-containing fluids, taking over-the-counter pain relievers like ibuprofen (400-600mg every 6 hours) or acetaminophen (650mg every 4-6 hours), and applying aloe vera gel to soothe the skin, as these measures can help alleviate symptoms and prevent further complications, as noted in general medical knowledge. It is essential to avoid further sun exposure until healed and prevent future episodes by:
  • Using broad-spectrum sunscreen (SPF 30+)
  • Wearing protective clothing
  • Limiting sun exposure during peak hours (10am-4pm) Sun poisoning occurs when UV radiation damages skin cells, triggering an inflammatory response that causes both local and systemic symptoms, with fair-skinned individuals being particularly susceptible, as discussed in 1.

From the Research

Signs and Symptoms of Sun Poisoning

The signs and symptoms of sun poisoning, also known as sunburn, can vary in severity. According to the studies, the common symptoms include:

  • Erythema (redness of the skin) 2, 3, 4, 5
  • Pain 2, 4
  • Pruritus (itching) 2
  • Increased skin blood flow 5

Treatment and Management

The treatment of sunburn is primarily symptomatic, as the damage to epidermal cells is already done 2. The use of pharmacologic agents such as corticosteroids, NSAIDs, antioxidants, antihistamines, and emollients has been studied, but the results are often conflicting and show little to no clinically important effect on the sunburn reaction 2, 3, 4. However, some studies suggest that combinations of oral NSAIDs and topical corticosteroids may have a synergistic effect in reducing UVB-induced erythema and skin blood flow 5.

Prevention

Prevention of sunburn is crucial, and the use of sunscreens is an integral part of a comprehensive photoprotection strategy against ultraviolet-mediated damage 6.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Management of acute sunburn.

American journal of clinical dermatology, 2004

Research

Sunscreens Part 1: Mechanisms and Efficacy.

Journal of the American Academy of Dermatology, 2024

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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