Sunburn treatment and antibiotics
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sunburn treatment antibiotics when needed official guidance
Antibiotics are not routinely needed for sunburn. Sunburn is an inflammatory UV injury, not a bacterial infection. Do not use leftover oral antibiotics or antibiotic creams unless a clinician confirms infection.
Home treatment
- Cool shower or cool damp cloths. Do not apply ice directly.
- Drink extra water and avoid further sun exposure.
- Use a plain, fragrance-free moisturizer or aftersun lotion.
- For pain, use paracetamol/acetaminophen or ibuprofen if you can safely take them, following the package directions.
- Leave blisters intact and cover them loosely with a clean, non-stick dressing if needed.
- Avoid petroleum jelly on fresh sunburn, popping blisters, and numbing sprays or creams.
The NHS similarly recommends moisturizer, fluids, simple pain relief, and protecting the area from sunlight while healing. NHS sunburn advice
Seek medical care urgently if there are extensive blisters, severe swelling or pain, fever/shivering, dizziness, vomiting, faintness, headache, dehydration, sunburn in a young child, or sunburn involving the eyes.
Consider infection and get assessed if, after the initial burn, you develop spreading redness, increasing warmth/swelling, worsening pain, pus, bad odor, red streaks, or fever. Those situations may require wound care and sometimes antibiotics chosen by a clinician.
Find the latest guidance on treating severe sunburn
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site:aad.org sunburn severe blister treatment medical attention
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site:nhs.uk sunburn blistered swollen treatment urgent advice
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site:medlineplus.gov sunburn severe treatment blister
Current guidance for severe sunburn
There is no widely used new, sunburn-specific hospital guideline from 2025-2026. Current advice from major public-health and dermatology sources is to treat it as a potentially partial-thickness burn when blistering occurs, while looking for dehydration, heat illness, or skin infection.
Get urgent medical assessment today if any of these apply
- Blistering or marked swelling, especially over a large area
- Very large, painful, widespread, or broken blisters
- Fever, chills, severe headache, nausea/vomiting, dizziness, fainting, unusual weakness, confusion, fast breathing/pulse, or little/no urine
- Signs of dehydration or heat exhaustion
- Severe pain not controlled with usual over-the-counter pain medicine
- Sunburn in a baby or young child
- Eye pain, light sensitivity, or visual symptoms
- Infection signs: increasing redness/warmth, pus, red streaks, worsening pain, or fever
NHS advises urgent assessment for blistering/swelling or systemic symptoms, including feeling dizzy, sick, shivery, headache, or muscle cramps. NHS urgent sunburn advice MedlinePlus specifically flags severe painful blisters and signs of shock, heat exhaustion, or dehydration for prompt care. MedlinePlus sunburn guidance
Go to an emergency department now for confusion, fainting, inability to keep fluids down, signs of shock, or extensive blistering with feeling unwell.
While arranging care or for limited blistering without systemic illness
- Stop UV exposure immediately. Stay indoors or keep the area fully covered from sunlight until healed.
- Cool the skin with a cool shower, bath, or clean wet compress. Do not use ice or ice packs directly.
- Rehydrate. Drink water or an oral rehydration drink if you are alert and not vomiting. Avoid alcohol.
- Relieve pain. Paracetamol/acetaminophen or an NSAID such as ibuprofen may help if safe for you and used according to the label. Avoid NSAIDs if you have a relevant contraindication such as kidney disease, active stomach ulcer/bleeding, NSAID allergy, or certain blood-thinner use. Do not give aspirin to children or teenagers.
- Care for blisters. Do not pop, peel, or puncture them. Keep them clean. A loose, sterile, non-stick dressing can protect areas likely to rub on clothing. The AAD notes that blistering represents a second-degree burn and advises leaving blisters intact. AAD blister care advice
- Moisturize intact skin with a gentle, fragrance-free moisturizer, aloe-containing product, or calamine if it is soothing. Avoid benzocaine or lidocaine products because they can cause allergic reactions and worsen irritation. MedlinePlus self-care advice
Antibiotics and steroids
- Do not use antibiotics routinely. A sunburn itself is not a bacterial infection. Antibiotics may be needed only after clinical assessment if a blistered area becomes infected.
- Do not self-start oral or topical steroids. They are not standard self-treatment for severe sunburn and require clinician judgment, particularly if the skin is blistered or infected.
Important nuance about ointments
Advice differs: the AAD permits a small amount of petroleum jelly to protect intact blisters, whereas NHS advises avoiding petroleum jelly on sunburned skin generally. For severe or extensive blistering, use a clean non-stick dressing and obtain clinician or pharmacist advice rather than applying multiple creams.
Evidence update
A recent PubMed search did not identify a new high-quality, sunburn-treatment-specific systematic review that changes this supportive-care approach. The most relevant current recommendations remain from dermatology and public-health sources. The recent systematic reviews found focus on UV injury prevention or long-term skin-cancer risk, rather than proving a new treatment for acute severe sunburn.
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