Sunburn with Blisters: Causes, Risks & Treatment

Blistering sunburn = second-degree burn; requires careful management.

Symptoms

  • Red, swollen, painful skin
  • Fluid-filled blisters
  • Intense pain/throbbing
  • Possible fever, chills, nausea

Risks

  • Infection if blisters rupture
  • Dehydration/electrolyte imbalance
  • Long-term: premature aging, increased skin cancer risk

Treatment

  • Cool compresses/cool baths
  • Moisturize (aloe, fragrance-free lotion)
  • OTC pain relievers (ibuprofen, acetaminophen)
  • Hydrate well
  • Do NOT pop blisters – increases infection risk

Seek Medical Care If:

  • Large/extensive blistering
  • Signs of infection (pus, red streaks, worsening pain)
  • Fever >101°F (38.3°C)
  • Severe dehydration symptoms

Prevention

  • Broad-spectrum SPF 30+; reapply q2h
  • Protective clothing, hat, shade
  • Avoid peak sun (10am–4pm)

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