Sun poisoning vs regular sunburn: how to tell when your beach day turns into a medical emergency

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08.06.2025

Picture this: you’ve spent a glorious day at the beach, feeling the warm sand between your toes and listening to the waves crash. But by evening, your skin feels like it’s on fire. Is it just a regular sunburn, or could it be something more serious?

When the sun bites back

We’ve all been there – that moment when you realize you forgot to reapply sunscreen after that last swim. A regular sunburn is like your skin’s angry reminder that you messed up. It turns red (or darker if you have deeper skin tones), feels hot to the touch, and might itch like crazy. Usually, you can tough it out with some aloe vera and a few days of discomfort.

Sun poisoning, though? That’s a whole different beast.

Despite its scary name, sun poisoning doesn’t mean the sun literally poisoned you. It’s basically a sunburn that went to graduate school and came back with a vengeance. Think of it as your body having an allergic-type reaction to way too much UV radiation. Some doctors call it polymorphous light eruption, but let’s stick with sun poisoning – it gets the point across better.

The red flags you can’t ignore

Here’s where things get serious. While a normal sunburn makes you uncomfortable, sun poisoning can make you feel genuinely sick.

With regular sunburn, you’re dealing with the usual suspects: redness, tenderness, maybe some peeling after a few days. It’s annoying, sure, but manageable. The pain typically peaks around 24 hours after exposure and starts improving from there.

Sun poisoning plays by different rules. Beyond the angry red skin, you might find yourself dealing with massive blisters that look like bubble wrap gone wrong. Your skin might develop a bumpy rash that resembles hives. And here’s the kicker – you’ll feel sick all over. We’re talking fever, chills, nausea, and a headache that makes you want to hide in a dark room. Some people even experience dizziness and confusion. If you’re throwing up or feeling like you might pass out, that’s your body waving a giant red flag.

The really sneaky thing about sun poisoning? The symptoms might not show up right away. While regular sunburn makes itself known within a few hours, sun poisoning can take its sweet time – sometimes waiting 6 to 12 hours before the worst symptoms kick in.

Who’s most at risk?

Now, before you panic and vow never to leave your house again, let’s talk about who’s most likely to experience sun poisoning.

Fair-skinned folks with blonde or red hair and blue eyes are basically the sun’s favorite targets. But don’t think darker skin gives you a free pass – anyone can get sun poisoning if they push their luck. Living near the equator or at high altitudes? Your risk goes up. Working outdoors? Same deal.

Some medications can turn you into a walking UV magnet. Certain antibiotics, blood pressure meds, and even some acne treatments can make your skin extra sensitive to sunlight. St. John’s wort supplements and vitamin B6 can also increase your risk. If you’re using skincare products with alpha hydroxy acids, you’re essentially making your skin more vulnerable to UV damage.

People with autoimmune conditions like lupus need to be especially careful. Their bodies can have extreme reactions to sun exposure that go beyond typical sun poisoning.

The recovery road

Let’s say you’ve crossed into sun poisoning territory. What now? First things first – get out of the sun immediately. This isn’t the time to tough it out or finish that last chapter of your beach read. Your body needs help, and it needs it now.

For mild cases, you might be able to manage at home. Cool (not ice-cold) baths or showers can help bring down your body temperature. Aloe vera gel is your friend, but skip anything with benzocaine or lidocaine – these can actually make things worse. Drink water like it’s your job because severe sunburn pulls fluid from the rest of your body, leading to dehydration. Ibuprofen can help with pain and inflammation.

But here’s the thing – sun poisoning often requires professional help. If you’re experiencing severe symptoms like widespread blistering, high fever, extreme dizziness, or signs of dehydration, get to a doctor or urgent care center. They might need to give you IV fluids, prescribe stronger medications, or even refer you to a burn unit in extreme cases.

Recovery time varies wildly. A regular sunburn typically heals within 3-5 days. Sun poisoning? You’re looking at anywhere from a few days to several weeks, depending on how badly you got burned. The worst of the pain usually subsides within 48 hours, but your skin might take much longer to fully recover.

Prevention

Here’s the truth nobody wants to hear: every bad sunburn increases your risk of skin cancer. People who’ve had severe sunburns, especially as kids, face higher odds of developing melanoma later in life. The good news? Sun poisoning is completely preventable.

Sunscreen is non-negotiable. Go for broad-spectrum SPF 30 or higher, and reapply every two hours – more if you’re swimming or sweating. But sunscreen alone isn’t enough. Think of sun protection like a multi-layered defense system. Wear protective clothing with UPF ratings when possible. Wide-brimmed hats, sunglasses, and long sleeves might not scream «beach fashion,» but they’re worth it.

Timing matters too. The sun’s rays are strongest between 10 AM and 4 PM. If you can, plan outdoor activities for early morning or late afternoon. And remember – clouds don’t stop UV rays. You can get burned on overcast days just as easily as sunny ones.

Pay attention to reflective surfaces. Water, sand, and snow can bounce UV rays right back at you, essentially giving you a double dose of exposure. Even sitting under an umbrella doesn’t guarantee protection if you’re surrounded by reflective surfaces.

From the author

Think of sunburn and sun poisoning as distant cousins – they’re related, but one’s definitely the troublemaker of the family. Regular sunburn is your skin’s way of saying «hey, ease up on the sun exposure.» Sun poisoning is your entire body screaming «MAYDAY! MAYDAY!»

Your skin has an incredible memory. Every burn, every blister, every painful night spent tossing and turning because you can’t find a comfortable position – your skin remembers it all. And years down the road, it might remind you in the form of premature aging or, worse, skin cancer.

So the next time you head outside, whether it’s for a beach day or just a quick errand run, show your skin some love. Slather on that sunscreen, rock that wide-brimmed hat, and remember – there’s no such thing as a healthy tan. Your future self will thank you for it. Because while vitamin D from the sun is great, vitamin D from supplements won’t land you in the emergency room with blisters the size of golf balls. Stay safe out there, and may your summer memories be filled with fun times, not fever and chills.

Фото: Рабаданова Наталья Анатольевна
Фото: Рабаданова Наталья Анатольевна
Статью проверила врач
Рабаданова Наталья Анатольевна
Рентгенолог
Стаж 37 лет

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