Sunburn Treatment in Patong, Phuket: Same-Day Care for 1st and 2nd Degree Sun Burns and Sun Poisoning
Cool dressings, blister care, prescription anti-inflammatories and IV fluids for severe sunburn and sun poisoning, in our Patong clinic or at your hotel, same day. Clinically reviewed by the Doctor Patong Takecare Clinic medical team.
WhatsApp now for same-day sunburn care | Call +66 81 718 9080 | Find the clinic on Google Maps
Phuket runs a UV index of 11 to 12 for most of the year, which the WHO classifies as extreme. Tourists arriving from cool climates routinely underestimate it, and reflected UV from white sand and seawater can add another 25 to 50 per cent to the dose. Even cloudy days still let 70 to 80 per cent of UV through, and we see classic back-of-knee and calf burns every week from snorkellers and divers who forgot that floating face-down for two hours bakes the back of the body. Most of our sunburn visits happen on day two or three of a holiday, after the previous afternoon felt fine and the blisters appeared overnight.
The four patterns we treat
Acute sun damage is a spectrum, and matching treatment to severity is what changes outcome. First-degree sunburn is superficial: red, warm, mildly tender skin, onset 4 to 6 hours after exposure, peaking at 24 hours and resolving in 3 to 5 days with peeling. Second-degree sunburn is a partial-thickness burn with blistering and broken skin, severe pain and a 1 to 3 week healing time, often leaving pigmentation changes. Sun poisoning is severe sunburn plus systemic features (fever, chills, headache, nausea, dehydration, sometimes confusion) and usually needs medical care. Polymorphic light eruption, sometimes called sun allergy, is a separate condition: an itchy bumpy rash that appears hours after sun exposure on sun-exposed skin, and settles over 1 to 2 weeks with antihistamines and a topical steroid.
| Severity | Features | Treatment |
|---|---|---|
| First-degree (mild) | Red, warm, dry, mildly tender. No blisters. Peaks 24 hours, settles 3 to 5 days with peeling. | Cool compresses, aloe vera, moisturiser, oral ibuprofen, hydrocortisone 1% twice daily for 2 to 3 days, strict sun avoidance until healed. |
| Second-degree (severe) | Blistering, broken skin, severe pain. Heals 1 to 3 weeks. May leave hyperpigmentation or scar. | Treat as partial-thickness burn: silver sulfadiazine cream, non-adherent dressings changed daily, scheduled NSAIDs and paracetamol, tetanus booster if last dose over 10 years. Do not pop blisters. |
| Sun poisoning | Extensive blistering plus fever, chills, headache, nausea, vomiting, dehydration, severe pain. Sometimes confusion. | Clinic or hospital care: IV fluids, IV ketorolac for pain, oral or IV prednisolone 30mg for 3 to 5 days, antiemetic, cool environment, hospital admission if greater than 10% body surface, children, frail elderly or immunocompromised. |
| Polymorphic light eruption (sun allergy) | Itchy bumpy papular rash on sun-exposed skin, hours after exposure. Not a true burn. Settles 1 to 2 weeks if sun is avoided. | Oral antihistamine, topical hydrocortisone 1% (or stronger if needed), broad-spectrum SPF, and graduated sun exposure for next trip. |
How we treat severe sunburn and sun poisoning
The two principles are cool the skin and control the inflammation early. For any severity, we start with cool (not iced) compresses or a cool shower for 15 to 20 minutes, oral rehydration with electrolytes, aloe vera gel and a bland moisturiser. Pain is controlled with scheduled ibuprofen 400mg every 6 to 8 hours combined with paracetamol 1g every 6 hours, because NSAIDs given early actually reduce the inflammatory cascade, not just the pain. We deliberately avoid “caine” anaesthetic sprays (benzocaine, lidocaine) on broken skin because of sensitisation and allergy risk.
For second-degree blistering sunburn we treat the skin as a partial-thickness burn. Blisters are left intact (do not pop them, the roof is a sterile dressing the body made), and we apply silver sulfadiazine cream under a non-adherent dressing changed daily. We check tetanus status and give a booster if the last one was more than 10 years ago. For sun poisoning with systemic features we add IV crystalloid for dehydration, IV ketorolac for severe pain, a short course of oral or IV prednisolone (typically 30mg for 3 to 5 days) to dampen the inflammatory response, and an antiemetic if there is vomiting. We admit or transfer to hospital if more than 10 per cent body surface is involved, if the face, hands, feet, joints or perineum are severely affected, if the patient is a child, frail or immunocompromised, or if there are signs of infection or persistent confusion.
Photodermatitis: when the burn is the medication, not the dose
A surprising number of “severe sunburn on day one” cases are actually drug-induced photodermatitis, where a photosensitising medication plus modest sun exposure produces an exaggerated burn. The common culprits we see in travellers are doxycycline (taken for malaria prophylaxis or acne, very common), fluoroquinolone antibiotics, thiazide diuretics, sulfa drugs, NSAIDs, amiodarone, retinoids such as tretinoin and isotretinoin, voriconazole, phenothiazines and St John’s wort. We also see phytophotodermatitis (“margarita dermatitis”) from lime juice or oil of bergamot on skin followed by sun, which leaves striking streaks and patches that look like a chemical burn. Treatment is standard sunburn care plus stopping the agent where possible and a 1 to 2 week period of strict sun avoidance. Severe cases need a short course of oral steroid.
Extensive blistering (more than 10 per cent of the body, roughly the area of one arm or one front-of-leg). Fever, chills, vomiting or feeling systemically unwell after sun exposure. Severe pain not relieved by oral ibuprofen and paracetamol. Spreading redness, pus or fever 2 to 3 days into a healing sunburn (suggests infection). Any significant sunburn in a child, an infant, a pregnant woman or someone immunocompromised. Confusion or fainting after sun exposure, which may be heat stroke layered on sunburn. These patterns need IV fluids, prescription anti-inflammatories, dressings and observation, not waiting it out at the hotel.
You have blisters larger than a 50 baht coin, blisters on the face, hands, feet or perineum, or a sunburn covering most of your back, chest or legs. You started a new medication (doxycycline, an antibiotic, a diuretic, a retinoid) in the last few weeks and now have a disproportionate burn. You are caring for a child with significant sunburn. You are not sure whether the rash on your sun-exposed skin is sunburn, sun allergy or drug reaction. WhatsApp +66 95 073 5550 for a same-day clinic appointment or hotel-room visit. See our related pages on skin rash, heat stroke and heat exhaustion, and mole removal and annual skin checks for anyone with sun-damaged skin.
Prevention and early self-care
Phuket sun is unforgiving, and the single highest-yield habit is using enough sunscreen, early. We recommend SPF 30 or higher broad-spectrum, applied 15 to 30 minutes before sun exposure, with around 30mL needed to cover an adult body. Most people apply a quarter to a half of that, which is why they still burn. Reapply every 2 hours and immediately after swimming or sweating. Mineral sunscreens (zinc oxide, titanium dioxide) are our preference for children, sensitive skin and snorkellers or divers, because chemical filters such as oxybenzone and octinoxate are banned in some Thai marine sanctuaries and are toxic to reefs. Add UPF-rated long sleeves, board shorts, a rash vest, a wide-brimmed hat and UV-blocking sunglasses, and seek shade between 10am and 4pm. Infants under 6 months should have no direct sun at all. Do not try to “tan first” by burning, because every blistering burn raises lifetime risk of melanoma and other skin cancers.
Summary
Mild sunburn is uncomfortable but self-limiting with cool compresses, aloe, moisturiser, oral ibuprofen and a few days of shade. Severe blistering sunburn is a partial-thickness burn that needs proper dressings, scheduled analgesia and tetanus cover, and sun poisoning with fever, vomiting and dehydration needs IV fluids and a short course of steroid. If you are blistering, systemically unwell, on a photosensitising drug, or caring for a child or pregnant woman with sunburn, see us the same day rather than waiting for it to settle.
“Sunburn is the single most preventable thing we treat in Phuket, and the single most underestimated. By the time someone walks in with blisters, the inflammation has been running for 24 hours and the damage is already done. NSAIDs early, dressings done right, and strict sun avoidance for the rest of the trip will keep a bad burn from becoming a bad scar.”
Doctor Patong Takecare Clinic medical team
Frequently asked questions
Is aloe vera actually worth using, or is it placebo?
Aloe vera has modest evidence for cooling and mild anti-inflammatory effect on mild sunburn, and it is safe and inexpensive, so we recommend it. It is not a substitute for oral NSAIDs (which actually reduce the inflammatory damage), and it will not help a blistering burn. Use 100 per cent aloe gel, refrigerate it if you can, and apply gently several times a day. Avoid products with added alcohol or fragrance because they sting and can sensitise.
Should I pop my sunburn blisters?
No. The blister roof is sterile cover the body has made for the raw skin underneath, and popping it raises infection risk, increases pain and slows healing. If a blister breaks on its own, trim hanging skin with clean scissors, wash gently with soap and water, and apply silver sulfadiazine cream under a non-adherent dressing. If the blister is very large, on a joint or face, or under tension, come in and we will manage it cleanly.
I am on doxycycline and burned badly on day one. Is that normal?
Doxycycline is one of the most common causes of drug-induced photodermatitis we see in travellers, often started for malaria prevention or acne. It makes the skin react severely to even modest UV. Treatment is standard sunburn care, strict sun avoidance for the rest of the trip, and a conversation about whether to swap to a different antibiotic or malaria prophylaxis. If you are taking doxycycline for acne, mineral SPF 50 plus UPF clothing and shade is non-negotiable in Phuket.
What does reef-safe sunscreen mean, and does it matter in Phuket?
Reef-safe means free of oxybenzone and octinoxate, two chemical UV filters that contribute to coral bleaching. Thailand has banned sunscreens containing these ingredients from national marine parks, including the Similan and Surin Islands and parts of Phi Phi. For snorkelling and diving days, choose a mineral sunscreen with zinc oxide or titanium dioxide. These also tend to be gentler on sensitive skin and on children.
My child has a bad sunburn. Can I treat it at home?
Mild redness without blisters in an older child can be managed with cool compresses, fluids, weight-based paracetamol or ibuprofen, aloe and total sun avoidance. Any blistering, fever, vomiting or unusual sleepiness needs same-day review, because children dehydrate fast and burn more deeply than adults. Infants under 6 months should never have direct sun and any redness in that age group warrants a clinic visit.
When should I come into the clinic rather than self-treating?
Come in if you have blisters larger than a coin or covering a large area, sunburn on the face, hands, feet, joints or genitals, fever or vomiting after sun exposure, severe pain not eased by ibuprofen and paracetamol, signs of infection (spreading redness, pus, fever after day 2), a sunburn that started after a new medication, or a sunburn in a child, pregnant woman or older relative. Same-day appointments and hotel-room visits are available across Patong, Kalim, Kamala, Karon and Surin.
Sources
American Academy of Dermatology. How to treat sunburn and prevent skin cancer. aad.org.
National Health Service (NHS). Sunburn. nhs.uk/conditions/sunburn.
World Health Organization. Ultraviolet radiation and health. who.int.
Centers for Disease Control and Prevention. Sun safety and skin cancer prevention. cdc.gov/skin-cancer.
Get help now
WhatsApp: same-day sunburn and sun poisoning care
Call +66 81 718 9080 to speak to a doctor
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