Sun Poisoning: When Sunburn Becomes a Medical Problem

The clip is always the same: a phone camera panning across shoulders that look lacquered, blisters the size of grapes, a caption that reads “sun poisoning, day two.” As of June 2026 those videos are pulling the phrase back up the search charts, along with a crop of confident claims that travel with them: that the sun “poisons the blood,” that the blisters are contagious, that sunscreen itself is the culprit, that a base tan would have prevented all of it. None of those claims comes from a trial or a guideline. They come from a comment section.

What is real is the injury underneath the caption. Emergency nurses see it every warm weekend: the person who fell asleep on a towel, woke up shivering in July, and now cannot keep water down. Sun poisoning is the name people reach for when a burn stops being a skin problem and becomes a body problem.

That shift is the whole story, and it deserves a more honest telling than a thirty-second video allows.

What is sun poisoning, really? (It is not a poisoning)

Ask three people what sun poisoning is and you will get three answers: a bad burn, a strange rash, a mystery illness. Medicine, for once, sides with the vaguest of them. “Sun poisoning” appears in no diagnostic manual. It is a folk label that has stuck because it captures something real: a sunburn severe enough that the whole body reacts, not only the skin.

Here is the mechanism in one breath. Ultraviolet B light, the short-wave band responsible for burning, damages the DNA inside skin cells called keratinocytes. Those injured cells release inflammatory signals, blood vessels in the skin widen, and the area turns red, hot and tender. In a mild burn the story ends there. In a severe one, the inflammation spreads far enough that fluid shifts from the bloodstream into the injured skin, blisters form, and chemical messengers reach the brain’s temperature center. The result feels like a flu: fever, chills, headache, nausea, a woozy head. Nothing toxic has entered the body. The “poisoning” is inflammation on a large enough scale to make you systemically ill.

Mayo Clinic and Cleveland Clinic both describe sun poisoning as a severe sunburn, often with these whole-body symptoms, and both note that people also use the phrase for sun-triggered rashes such as polymorphous light eruption, an itchy, bumpy reaction to sunlight in people whose skin is unusually sensitive to it. Two different conditions share one nickname, which explains a good share of the confusion online.

Why the label still matters: the name may be casual, but the consequences are not. Blistering is tissue injury, dehydration is measurable, and a large burn in a toddler or an 80-year-old can become a hospital problem within a day. Take the phrase seriously; drop the poison.

Sun poisoning vs sunburn: where doctors draw the line

Picture two friends after the same afternoon on a boat. One is pink across the shoulders, a little sore, sleeping fine. The other has shoulders that look shellacked, a headache that will not lift, and shivers under a blanket in an 80-degree room. Same sun, same hours. The first has sunburn. The second has crossed into what most clinicians would call sun poisoning.

The distinction is about scale and reach, not a separate disease. Ordinary sunburn stays in the skin: redness within a few hours, peak soreness at 12 to 24 hours, perhaps a few small blisters, then peeling. Severe sunburn adds at least one of the following, according to Mayo Clinic: blistering across a large area, fever or chills, a pounding headache, nausea or vomiting, dizziness or faintness, confusion, or signs of dehydration such as a dry mouth, little urine and a fast heartbeat.

A useful home test is the “skin or body” question. Does the problem stay where the sun hit you? Sunburn. Does it follow you around as an illness? Sun poisoning territory. Depth matters as well. A first-degree burn reddens the surface. A second-degree burn, which blisters, has injured the deeper skin layer called the dermis, and once blistering covers a palm-sized area or more, fluid loss through that damaged skin becomes meaningful.

Emergency teams add a third cue: proportion. A burn covering a large fraction of the body, say the entire back and both legs after falling asleep on the sand, behaves much like a thermal burn of the same size, with the same dehydration risk. The red looks identical on both friends. What differs is how the body answers it.

What changed recently

Honesty first: there is no new medicine, no new trial and no revised sunburn guideline behind this year’s spike in searches. The drivers are viral video and a hot early summer. What has changed, over the past few seasons, is the toolkit for avoiding the burn in the first place.

In June 2022 the World Health Organization, together with the World Meteorological Organization, the UN Environment Programme and the International Labour Organization, launched the SunSmart Global UV app, which gives a location-specific UV index forecast and tells users the hours when protection is needed. WHO’s guidance underneath it is simple and unchanged: once the UV index reaches 3, sun protection is warranted.

In April 2024 the Centers for Disease Control and Prevention and the National Weather Service introduced HeatRisk, a seven-day, color-coded forecast of heat danger, alongside a reorganized CDC Heat and Health hub that lays out the signs of heat exhaustion and heat stroke in plain language. That matters for sun poisoning because the two problems so often arrive together and are so often confused; the CDC pages now make the distinction easy to check on a phone.

Consumer guidance has also sharpened its cautions. Mayo Clinic’s current sunburn advice specifically steers people away from products containing petroleum, benzocaine or lidocaine on burned skin, and toward cool water, moisturizer and hydration. The NHS sunburn page now flags that babies and young children with sunburn should be seen by a clinician, and lists blistering, fever and dizziness as reasons for urgent advice.

Put together, the news is quieter than the videos suggest. The science of sunburn has not shifted. The forecasting has, and forecasting is the part that keeps shoulders intact.

How do you tell if you have sun poisoning? Symptoms hour by hour

Sunburn runs on a clock, and knowing the schedule tells you early whether an ordinary burn is turning into something bigger.

Two to six hours after exposure. Redness appears and the skin feels warm and tight. At this stage a mild burn and a severe one look nearly the same, which is why people so often stay out “a little longer.”

Twelve to twenty-four hours. Pain and redness peak. This is the window in which sun poisoning announces itself. Watch for chills in a warm room, a headache that painkillers barely touch, a queasy stomach, lightheadedness when you stand, and a thirst you cannot satisfy. Small clear blisters may begin to rise on the worst areas.

Twenty-four to seventy-two hours. Blisters enlarge and may merge. Swelling appears, especially on the face, hands and feet. If fever is going to come, it usually comes now. Urine turns dark and infrequent as fluid moves from the circulation into the injured skin.

Day three onward. Peeling begins as the body sheds damaged cells. Whole-body symptoms in an uncomplicated case should be fading by now; if fever, vomiting or confusion are still present at day three, something else needs attention.

Sun poisoning symptoms, then, are the skin findings plus at least one systemic one. Cleveland Clinic’s list is a reasonable checklist: blistering, fever, chills, headache, nausea, dizziness, dehydration and, in serious cases, fainting or confusion. Any one of those on top of a bad burn changes the situation from “aloe and patience” to “fluids, rest and a low threshold for calling a clinician.”

What does the first stage of sun poisoning look like?

The first stage looks like nothing much. That is the trap.

An hour or two into a severe exposure, the skin is faintly pink, warm to the touch, and perhaps a little tight when you move. Press a fingertip on it and the color blanches white, then floods back. Sunglasses and watch straps leave crisp outlines. You feel fine, maybe pleasantly drowsy. Nothing about this moment signals that by midnight you will be shivering.

The reason is biological delay. UV damage to skin cells triggers a cascade of inflammatory molecules that takes hours to build. Redness lags exposure by two to six hours and does not peak for up to a day. A person can absorb a blistering dose by 1 p.m. and not know it until dinner.

There are, however, early tells worth learning. A burn that already stings sharply within the first hour, rather than merely feeling warm, is usually heading somewhere unpleasant. So is a burn that covers a large surface, such as an entire back or both thighs, since the body’s systemic response scales with area, not intensity alone. The first true whole-body sign is often a chill: a sudden shiver on a warm evening, before any fever registers. Some people describe a strange “buzzing” fatigue or a headache that arrives with the sunset.

Two practical responses follow. First, if you suspect a heavy dose, get out of the sun immediately, even if the skin still looks mild; the damage already done cannot be undone, but each additional minute adds to it. Second, start drinking water before you feel thirsty. Sun poisoning’s dehydration begins quietly, in the hours when the skin is still only pink.

Sun poisoning rash: is it sunburn or polymorphous light eruption?

Not every red, angry patch after a day outdoors is a burn. A large share of the “sun poisoning rash” photos online show something else entirely: polymorphous light eruption, usually shortened to PMLE. It is an immune reaction to sunlight rather than a thermal-style injury, and it behaves differently in ways that are easy to spot once you know them.

PMLE appears hours to a few days after exposure as clusters of small, intensely itchy bumps, blotches or tiny blisters, typically on skin that stays covered all winter and gets its first sun in spring: the chest, forearms, the sides of the neck. Mayo Clinic notes that it is most common in fair-skinned people in northern climates, tends to affect women in their twenties and thirties, and often eases as summer goes on and the skin becomes accustomed to light, a process dermatologists call hardening. It itches more than it hurts, it rarely blisters the way a deep burn does, and it does not usually bring fever.

Three other look-alikes are worth naming. Solar urticaria produces hives within minutes of sun exposure and fades within hours. Photoallergic reactions occur when a medicine or a fragrance applied to the skin becomes reactive under UV, producing an eczema-like rash. Phytophotodermatitis, sometimes nicknamed “margarita dermatitis,” happens when lime juice or certain plant saps on the skin react with sunlight, leaving streaky burns that can darken for months.

The distinction matters for two reasons. PMLE and its cousins are managed differently from a burn, sometimes with prescription treatment a dermatologist selects. And a rash that returns every spring, or appears after minutes rather than hours in the sun, is a pattern worth showing a clinician rather than filing under “bad sunburn again.”

What's the difference between sun poisoning and sunstroke?

The two are confused constantly, and the confusion can be dangerous, because one of them is a true medical emergency in which minutes count. Sunstroke is simply the older name for heat stroke: the body’s core temperature rises to 104°F (40°C) or higher and the brain begins to malfunction. Sun poisoning is a severe skin burn with inflammatory spillover. You can have either without the other, and on a bad day at the beach you can have both.

Feature	Sun poisoning (severe sunburn)	Heat exhaustion	Heat stroke (sunstroke)
Cause	UV damage to skin	Heat and fluid loss	Core temperature overwhelms the body’s cooling
Skin	Red, blistered, painful where sun struck	Cool, pale, clammy, sweating heavily	Hot, flushed; may be dry or sweaty
Temperature	Often low-grade fever	Normal or mildly raised	104°F (40°C) or higher
Mental state	Usually clear; confusion only in severe cases	Tired, dizzy, weak	Confused, slurred speech, agitated, may pass out or seize
Timing	Builds over 6 to 24 hours	During or soon after exertion in heat	Can develop within minutes to hours
Action	Cool skin, fluids, rest; clinician if red flags	Move to cool place, sip water, loosen clothing; care if not better in an hour	Call emergency services immediately; cool the person aggressively while waiting

The CDC frames heat stroke as the point at which the body loses control of its temperature, and its red flags are behavioral: confusion, stumbling, passing out. A person with sun poisoning is miserable but knows where they are. A person with heat stroke may not. If you are unsure which you are looking at, treat it as the emergency. Cooling someone who turned out to have “only” a bad burn costs nothing; delay in the other direction can cost a life.

Who gets sun poisoning most often, and which medicines raise the risk

Some of the risk is written in the skin, some in the calendar, and a surprising amount in the medicine cabinet.

Fair skin that freckles and rarely tans burns fastest, but darker skin is not immune; it burns more slowly and the redness is harder to see, which can delay recognition. Children and older adults sit at both ends of the risk curve, because a child’s skin is thin and an older adult’s thirst signal is blunted. Altitude adds roughly 10 percent more UV for every 1,000 meters of elevation, according to WHO, and fresh snow reflects up to 80 percent of UV back at the face, which is why spring skiers arrive home with burns under their chins. Water and sand reflect less, but enough to burn a person sitting under an umbrella. Midday matters most: the sun delivers the bulk of the day’s UV between 10 a.m. and 4 p.m.

Then there are photosensitizing medicines, drugs that make the skin react to less light than usual. The list is long and includes some of the most commonly prescribed medicines in the country: the antibiotic doxycycline and other tetracyclines; sulfonamide antibiotics; the blood pressure diuretic hydrochlorothiazide; certain nonsteroidal anti-inflammatory drugs; retinoids such as isotretinoin; the heart rhythm drug amiodarone; and the herbal supplement St. John’s wort. Some chemotherapy agents and antifungals belong on the list too.

Two rules follow. Never stop or change a prescribed medicine because you burned; the underlying condition is almost always the greater risk. And tell the prescriber that you burned unusually easily, so they can weigh whether the sensitivity matters for your care. The label on a medicine bottle is a good first place to look; the person who wrote the prescription is the right place to ask.

What the evidence actually says about sun poisoning and its treatment

Grading the evidence here is humbling, because the strongest science concerns prevention, and the weakest concerns the thing everyone searches for at midnight: how to treat the burn.

Strong evidence, from a randomized trial. In the Nambour trial in Queensland, Australia, roughly 1,600 adults were randomly assigned to daily sunscreen or discretionary use for more than four years and followed for a decade. Those assigned to daily use had about half the rate of invasive melanoma. That is the clearest demonstration in medicine that preventing UV damage prevents its worst consequence.

Moderate evidence, from observational data. Large cohort studies, including long-running studies of nurses, consistently link blistering sunburns in adolescence and young adulthood to higher lifetime melanoma risk. Observational data cannot prove cause, but the association is consistent, dose-dependent and biologically plausible.

Weak to moderate evidence. Small randomized trials of oral anti-inflammatory painkillers and of topical corticosteroids show modest reductions in redness and discomfort when started within a few hours of exposure. None shows any effect on the underlying DNA damage. Trials of aloe vera on sunburn are small and mixed.

Expert opinion only. Cool compresses, moisturizing, leaving blisters intact, drinking extra fluids: all sensible, all borrowed from general burn care, none tested in a large sunburn trial. Oral antioxidant “after-sun” supplements have no convincing evidence.

The honest summary: nothing available at a pharmacy reverses a burn once the clock has run. Treatment shortens misery and prevents complications. Prevention is the intervention with trial-grade proof, and it is the one a magazine should keep shouting about, even when the search traffic is asking about blisters.

How to get rid of sun poisoning as fast as possible: what genuinely helps

There is no fast. Skin cells damaged by UV must be cleared and replaced, and that takes days regardless of what you put on them. What you can do is shorten the misery, protect the injured skin and stop the burn from turning into a second problem. Mayo Clinic’s guidance, distilled:

• Get out of the sun now, and stay out until healed. Burned skin has lost its defenses; a second dose on top of the first is how blisters become wounds.
• Cool the skin, gently. Cool baths, cool showers or damp cloths for a few minutes at a time. Not ice, which can add cold injury to heat injury. Pat dry, leaving a little moisture behind.
• Moisturize while damp. A plain fragrance-free moisturizer, or one containing aloe or soy, traps water in the skin. Avoid products containing petroleum, which holds heat, and those containing benzocaine or lidocaine, which can irritate or trigger allergic reactions.
• Drink more than feels necessary. A burn pulls fluid to the skin surface. Water is the goal; pale urine is the sign you are keeping up.
• Leave blisters alone. Intact blisters are sterile dressings. If one breaks on its own, wash with mild soap and water and cover loosely.
• Over-the-counter pain relief. Ibuprofen or acetaminophen, used exactly as the package directs, can take the edge off pain and fever. Aspirin is not for children or teenagers because of the risk of Reye’s syndrome.
• An over-the-counter hydrocortisone cream may calm itch on unbroken skin; a pharmacist can advise on suitability.
• Dress soft. Loose cotton, nothing that rubs.

Anything a prescriber might add, from stronger topical steroids to prescription pain relief, belongs to a clinician who has looked at the burn. Anything promising to make it vanish overnight belongs in the myth section below.

How long does sun poisoning last?

Longer than the burn itself looks, and shorter than the internet fears.

A moderate sunburn resolves in three to seven days. The whole-body symptoms of sun poisoning, the chills, headache, nausea and low fever, usually crest within the first 24 to 48 hours and fade over the following day or two as the inflammatory surge subsides. Fever that persists past 48 hours, or that climbs rather than falls, is not part of the normal course and warrants a call.

Blistering changes the timeline. Blistered skin takes one to two weeks to heal, sometimes longer on high-friction areas such as shoulders under bra straps or feet in sandals. Peeling typically starts around day three and can continue for a week; it looks alarming but is the body shedding cells it has already condemned.

Then come the quieter phases. Newly healed skin stays pink and sun-sensitive for several weeks and burns far more easily than the surrounding skin, which is why a second burn on the same patch within a month is so common. Darker patches or lighter patches can linger for months, particularly in people with medium to dark skin tones, before the pigment evens out.

One number from the NHS is worth carrying: mild sunburn is expected to improve within about seven days. If a burn is not clearly on the mend by then, if pain is increasing rather than easing, or if the skin around a blister turns hot, swollen or oozes, the timeline has been interrupted by something else, most often infection, and it is time for a clinician to look.

How long it lasts, in other words, depends less on the remedy and more on the depth of the injury you brought home.

Common myths about sun poisoning, corrected

The viral clips travel with a set of claims. Each deserves a plain correction.

“The sun poisoned my blood.” No toxin is involved. The symptoms are inflammation from skin damage, which is why they track with how much skin was burned rather than with anything in the bloodstream.

“Sun poisoning is contagious.” It is not. Blisters contain sterile fluid from your own tissue. A burn cannot be passed to a partner, a child or a roommate.

“Sunscreen caused it.” Rarely, a sunscreen ingredient causes a contact or photoallergic rash, which is itchy, patchy and appears only where the product was applied. That is a reason to try a different formulation, not to abandon protection. The far more common cause of a burn under sunscreen is too little product, applied too late and never reapplied.

“A base tan protects you.” A tan offers protection roughly equivalent to SPF 3, and the tan itself is evidence of DNA damage.

“You can’t burn on a cloudy day.” WHO notes that up to 80 percent of UV passes through light cloud. Overcast beach days are a classic setup for severe burns because the warning signal, direct heat, is missing.

“Dark skin doesn’t burn.” It burns more slowly and the redness is harder to see, which delays recognition and treatment.

“Pop the blisters so it heals faster.” Popping trades a sterile dressing for an open wound and raises infection risk.

“Vinegar, toothpaste, butter or yogurt cool the burn.” None has evidence; butter and petroleum trap heat, and vinegar stings damaged skin. Cool water and a bland moisturizer do the same job without the risk.

Myths persist because a bad burn feels like it needs a dramatic explanation. The real one is dull: too much UV, too little shade, for too long.

When to see a doctor

Most sunburns, even ugly ones, heal at home. Sun poisoning is the version that sometimes should not, and the signs below are the ones clinicians use to tell the two apart. Every decision about prescription treatment, fluids or wound care belongs to the clinician who examines the burn.

Call emergency services immediately if the burned person:

• is confused, unusually drowsy, slurring words or hard to wake
• faints, has a seizure, or cannot stand without collapsing
• has a body temperature of 104°F (40°C) or higher, or hot skin with little or no sweating, which points to heat stroke
• has blistering over a very large area of the body, such as most of the back and legs

Seek same-day medical care if:

• blisters cover a large area or the burn is on the face, hands, feet or genitals
• there is fever with chills, severe headache, or repeated vomiting that prevents drinking
• signs of dehydration appear: dark or scant urine, dry mouth, dizziness on standing, a racing pulse
• the burned person is a baby or young child, an older adult, or someone with a weakened immune system, as NHS guidance advises
• pain is severe and not eased by over-the-counter measures

Book a routine appointment if:

• a blister becomes hot, swollen, oozes pus, or red streaks spread from it, which suggests infection
• the burn is not clearly improving after about a week
• a rash appears after brief sun exposure or returns every spring
• you burned far more easily than usual while taking a medicine; do not stop the medicine, ask the prescriber

If you are weighing whether a symptom is serious enough to call about, that hesitation is itself a reason to call. A nurse line or clinician can triage in minutes what a comment section will argue about for days.

Preventing sun poisoning: the numbers worth memorizing

Prevention is the only part of this story with trial-grade evidence, so it deserves the specificity the rest lacks. A handful of numbers do most of the work.

Three. When the UV index reaches 3, WHO advises protection. Most weather apps display the index; the SunSmart Global UV app shows the hours it will be high.

Ten and four. The sun delivers the largest share of daily UV between 10 a.m. and 4 p.m. If your shadow is shorter than you are, the UV is strong enough to burn.

Thirty and ninety-seven. An SPF 30 broad-spectrum sunscreen filters about 97 percent of UVB; SPF 15 filters about 93 percent. Broad-spectrum means it also filters UVA, the longer wavelength linked to aging and to some sun-triggered rashes.

One ounce and two hours. An adult body needs roughly one ounce of sunscreen, the volume of a shot glass, applied 15 minutes before going out and reapplied every two hours, and again after swimming or heavy sweating. Most people apply a quarter to half of that.

Eighty. Up to 80 percent of UV passes through light cloud, and fresh snow reflects up to 80 percent back upward. Overcast and winter are not exemptions.

Fabric beats lotion. A tightly woven long-sleeved shirt, a hat with a brim of three inches or more, and sunglasses labeled UV400 protect without reapplication. Clothing rated UPF 50 blocks about 98 percent of UV.

Finally, the point the evidence makes loudest: there is no safe tan and no protective tan. The Nambour trial did not test a clever remedy for burns. It tested a boring habit, daily sunscreen, and that habit halved melanoma. Sun poisoning is not an accident of bad luck. It is a dose, and the dose is adjustable.

Frequently asked questions

How do you tell if you have sun poisoning?

You likely have sun poisoning if a sunburn comes with symptoms beyond the skin: fever or chills, headache, nausea, dizziness, widespread blistering, or signs of dehydration such as dark urine and a racing pulse. Ordinary sunburn stays where the sun hit you. Sun poisoning follows you around as an illness, usually peaking 12 to 48 hours after exposure.

How to get rid of sun poisoning asap?

You cannot speed the skin’s repair, but you can ease it: get out of the sun, cool the skin with cool water rather than ice, apply a bland moisturizer to damp skin, drink extra water, leave blisters intact, and use an over-the-counter pain reliever exactly as labeled. Avoid petroleum, benzocaine and lidocaine products. Fever, confusion or large blisters need a clinician.

What does the first stage of sun poisoning look like?

The first stage looks deceptively mild: faint pink, warm, slightly tight skin that blanches when pressed, with crisp outlines from sunglasses or straps. Redness lags exposure by hours. Early warning signs include sharp stinging within the first hour, a burn covering a large area, and an unexplained chill on a warm evening before any fever appears.

What's the difference between sun poisoning and sunstroke?

Sun poisoning is a severe skin burn from UV light with inflammatory spillover such as fever and nausea. Sunstroke is the older name for heat stroke, in which core temperature reaches 104°F (40°C) or higher and the brain malfunctions, causing confusion, slurred speech or collapse. Heat stroke is a life-threatening emergency requiring immediate emergency care; sun poisoning usually is not.

How long does sun poisoning last?

Whole-body symptoms usually peak within 24 to 48 hours and fade over the next day or two, while the skin takes three to seven days to recover from a moderate burn and one to two weeks if it blistered. Peeling begins around day three. Healed skin remains extra sun-sensitive for weeks. Fever lasting beyond 48 hours is not typical and warrants a call.

What does a sun poisoning rash look like, and is it different from sunburn?

What people call a sun poisoning rash is often polymorphous light eruption: clusters of small, intensely itchy bumps or blotches appearing hours to days after sun exposure, typically on the chest, arms and neck in spring. It itches more than it hurts, rarely blisters deeply and usually does not cause fever. Sunburn, by contrast, is uniform red, painful skin wherever the sun struck.

Is sun poisoning contagious?

No. Sun poisoning is an inflammatory injury to your own skin, and blisters contain sterile fluid from your own tissue. Nothing about it can spread to another person by touch, shared towels or shared beds. The only way someone else develops the same problem is by receiving the same dose of ultraviolet light.

Can you get sun poisoning on a cloudy day or through a window?

Yes on a cloudy day: WHO notes up to 80 percent of UV passes through light cloud, and the missing heat removes the usual warning signal. Through a window is less likely, because ordinary glass blocks most UVB, the burning wavelength, though UVA still passes and can trigger sun-sensitive rashes and contribute to long-term skin damage.

Should I pop sun poisoning blisters?

No. An intact blister is a sterile natural dressing that protects the raw skin beneath while it heals; popping it creates an open wound and raises infection risk. If a blister breaks on its own, wash gently with mild soap and water and cover loosely. Blisters that become hot, swollen or ooze pus need a clinician’s assessment.

Do antibiotics or other medicines make sun poisoning more likely?

Some do. Photosensitizing medicines, including doxycycline and other tetracyclines, sulfonamide antibiotics, hydrochlorothiazide, certain anti-inflammatory painkillers, retinoids such as isotretinoin, amiodarone and St. John’s wort, can make skin burn after far less sun than usual. Do not stop a prescribed medicine because you burned; tell the prescriber, who can judge whether the sensitivity matters for your treatment.

References

• NHS: Sunburn
• CDC: About Heat and Your Health
• WHO: Ultraviolet radiation fact sheet

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.