Ways to Treat Sunburn at Home: First Aid and Remedies for Relief

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Sharon Mcculloch FirstaidPro
Sharon McCulloch
CEO, Founder and First Aid Trainer at First Aid Pro

Sharon McCulloch is the CEO and Founder of FirstAidPro, Australia’s leading Registered Training Organisation (31124), delivering First Aid Courses nationwide.

Sharon has 21+ years of experience as a qualified Emergency Care Nurse registered with the Australian Health Practitioner Regulation Agency (APHRA) and 12+ years as a First Aid Trainer.

She takes pride in FirstAidPro making first aid training available, comprehensive and affordable to everybody.

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Need to treat sunburn? When that familiar red, tender skin appears following a day at the beach, it signals you’ve been caught by Australia’s harsh sun. The Australian Cancer Council warns that two out of three Aussies will face skin cancer by age 70, making quick sunburn treatment vital for your health.

When you treat sunburn properly from the start, you can reduce healing time and avoid serious complications. The Skin Cancer Foundation reveals that experiencing just five sunburns can increase your melanoma risk by 80 percent. This guide shows you proven ways to treat sunburn using both immediate first aid and effective home remedies.

Whether you’re dealing with mild redness or more severe burns, these sunburn treatment methods help you heal faster and more comfortably. From cooling techniques to natural soothers, you’ll discover how to treat sunburn at home safely and effectively.

Key Takeaways

  • Act quickly within the first few hours to reduce skin damage and speed healing

  • Cool your skin with proper methods to draw out heat and reduce inflammation

  • Stay hydrated by drinking extra water to help your body repair damaged skin

  • Apply proven home remedies like aloe vera gel to soothe burning sensations

  • Avoid harsh products that can irritate already sensitive skin

  • Know when sunburn needs professional medical attention

Close-up of a man's shoulder with sunburn. The skin sloughs off its his burn skin. It is the cause of melanoma.

Sunburn and Its Impact

Sunburn occurs when your skin is exposed to too much ultraviolet radiation from the sun. This damage affects millions of Australians, mainly during summer when UV levels are highest. Knowing how sunburn develops and its signs is key to understanding when you need to treat sunburn effectively and protect your skin cells.

What Happens When UV Rays Damage Your Skin

UV rays attack the DNA in your skin cells almost instantly, within 15 minutes of sun exposure. Your body reacts by causing inflammation and killing off damaged skin cells. This inside-out burning leads to the painful symptoms you feel hours later.

Symptoms of Sunburn

Symptoms of sunburn appear 3-5 hours after UV exposure. You’ll notice redness, warmth, and tenderness in your skin. Common signs include:

  • Redness and inflammation

  • Pain and sensitivity

  • Swelling of affected areas

  • Skin that feels hot to touch

  • In severe cases, blistering and fever

Degrees of Sunburn Severity

Sunburns vary in severity. A first-degree sunburn affects only the outer skin layer, causing mild redness and discomfort. Moderate sunburn penetrates deeper, leading to more intense pain and possible blistering. The most severe burns can cause systemic symptoms like nausea and require immediate medical care. Each level increases your risk of sunburn complications and long-term skin damage.

First Aid to Treat Sunburn

A guy drinks water from a plastic bottle during a workout in an outdoor gym, hydration concept

When sunburn occurs, acting swiftly is critical for recovery. The initial signs of sunburn demand immediate attention to mitigate further harm and initiate healing. These vital first aid measures will alleviate pain and aid in skin recovery.

Get Out of the Sun Immediately

Your primary task is to seek shade immediately. Move indoors or find dense shade under a structure or a thick tree. Beach umbrellas and light fabric shelters are insufficient. Remain out of the sun until the burn heals, which generally takes 3-5 days for mild cases.

Cool the Skin

Cool the skin with lukewarm water, avoiding icy temperatures. Use cool compresses for 10-15 minutes at intervals. Lukewarm baths or showers can also help reduce heat in affected areas. Never apply ice directly to burned skin, as it can further damage tissues.

Hydration and Fluid Replacement

Sunburn causes fluid to be drawn to the skin’s surface, potentially leading to dehydration. It’s essential to drink water frequently, aiming for 2-3 litres daily during recovery. Look out for dehydration signs such as:

  • Dry mouth and increased thirst

  • Dizziness or lightheadedness

  • Reduced urination

  • Fatigue and weakness

In cases of significant fluid loss, sports drinks can help replace lost electrolytes.

Home Remedies for Sunburn

Ale Vera leaves and aloe extract are seen in a container, on a slate background, their view is from above

When sunburn hits, several home remedies can offer quick relief and aid in healing. These natural solutions reduce inflammation, cool damaged skin, and restore moisture. Studies indicate that using these remedies correctly to treat sunburn can significantly shorten healing times.

Aloe Vera

Aloe vera is a standout for sunburn relief. Research in the Burns journal reveals aloe vera gel can reduce healing time by about nine days. For optimal results, apply pure aloe vera lotion or gel to affected areas every few hours. Products with aloe vera or soy offer additional benefits, as both reduce inflammation and aid in skin repair.

Cool Baths and Compresses

A cool bath offers immediate relief for sunburn. Adding colloidal oatmeal or baking soda to the water enhances anti-inflammatory effects. Soak for 10-15 minutes, ensuring the water is lukewarm, not cold. After bathing, gently pat dry and apply lotion while skin is damp to retain moisture. For smaller sunburn areas, use cool compresses soaked in milk or chamomile tea.

Natural Moisturisers and Lotions

Opt for moisturisers with aloe vera or soy for effective skin soothing. Research in the International Journal of Molecular Sciences shows soy-based products can reduce UV damage when applied within 24 hours. Apply these lotions liberally while skin is damp from bathing. Coconut oil and shea butter also help restore your skin’s natural barrier and prevent peeling.

Managing Pain and Discomfort from Severe Sunburn

Cropped hands of person holding medicines in bathroom at home

Severe sunburn can cause intense pain. Your skin may throb, burn, and feel tender even to light touch. Proper treatment in the first 48 hours can greatly improve your recovery and comfort, especially when you treat sunburn with the right combination of remedies.

For bad sunburn, consider oral pain relievers like ibuprofen or paracetamol within 24 hours. These help reduce inflammation and manage pain. The correct dosage varies based on the severity of your sunburn. Always adhere to the instructions or seek advice from a pharmacist.

Pain from severe sunburn usually peaks between 6 and 48 hours post-exposure. To manage this effectively, combine several strategies:

  • Take oral pain medication every 4-6 hours as directed

  • Apply cooling gels or sprays containing lidocaine to numb irritated skin

  • Use cold compresses for 10-15 minutes at a time

  • Drink extra water to help your body heal

  • Rest in a cool room away from direct sunlight

If your pain lasts more than 48 hours or you experience fever, chills, or extensive blistering, seek medical help right away. These signs could indicate sun poisoning or infection, needing professional treatment.

Caring for Peeling and Blistered Skin

Back view of anonymous shirtless male applying cream on shoulder with sunburn during skincare routine

As your sunburn heals, your skin may start to peel or develop blisters. These are natural responses to sun damage. Proper care is essential to prevent complications, and understanding how to treat sunburn during this stage helps your skin heal faster and reduces the risk of infection.

Handle Peeling Skin

When sunburned skin begins to peel, resist the urge to pull or pick at it. The peeling skin acts as a protective barrier for the new tissue forming underneath. Instead, let it shed naturally. Apply fragrance-free moisturiser to keep the area hydrated and reduce itching. Gentle washing with lukewarm water helps remove loose skin without forcing it off.

Blister Care and Prevention of Infection

A blister caused by sunburn indicates a second-degree sunburn. Never pop or puncture blisters, as this increases infection risk. Cover larger blisters with loose bandages to protect them from friction. Keep the area clean and dry. Watch for signs of infection like increased redness, warmth, or pus. Change bandages daily and avoid products that might irritate the skin.

When to Seek Medical Attention

Seek immediate medical care if blisters cover more than 10% of your body or appear on your face. Visit a doctor if you notice red streaks extending from the burn, experience fever above 38°C, or feel confused. Children and elderly people with extensive blistering need prompt medical assessment. Any signs of infection require professional treatment to prevent serious complications.

Sunburn Prevention

Protecting your skin from sun damage is more than just treating burns. Regular sun protection greatly lowers your risk of skin cancer and prevents early skin ageing. Daily sunscreen use can significantly reduce skin cancer risk, and learning how to treat sunburn properly also helps you recognise when prevention has failed. Melanoma risk drops by 50%, and squamous cell carcinoma by 40%.

Childhood burns are a significant risk. Five severe sunburns before 20 increase skin cancer risk by 68%. This shows why early prevention is critical for all skin types.

To prevent sunburn and keep your skin healthy:

  • Apply SPF 30+ broad-spectrum sunscreen 20 minutes before going outside

  • Reapply every two hours, if you’re prone to sunburn

  • Wear protective clothing and wide-brimmed hats

  • Seek shade between 10am and 4pm when UV rays are strongest

  • Schedule regular skin checks to monitor changes

Consistent protection can improve your skin’s response over time. This approach not only prevents immediate damage but also protects against skin cancer and early ageing for years.

FAQs

What SPF level should I use and how often should I reapply sunscreen?

Use broad-spectrum SPF 30+ for daily protection, or SPF 50+ for extended outdoor activities. Apply generously 20 minutes before sun exposure and reapply every two hours, or more frequently when swimming, sweating, or towelling off. Water-resistant sunscreens still need reapplication after water activities. 

Use the ABCDE rule: Asymmetry, Border irregularity, Colour variation, Diameter larger than 6mm, and Evolving changes. Watch for new spots after age 20, sores that don’t heal within four weeks, or spots that bleed, itch, or feel tender. Schedule regular skin checks with your GP, especially if you have fair skin or a history of sunburns. 

Fair-skinned people with blonde or red hair, blue or green eyes, and those who freckle easily face highest risk. Children are more vulnerable, with babies under 12 months needing complete sun avoidance. People taking certain medications (antibiotics, diuretics, acne treatments), those with family history of skin cancer, and anyone working outdoors or near reflective surfaces like water and sand should take extra precautions.