Red, Itchy, and Inflamed? These Heatwave Skin Conditions Could Be More Serious Than You Think (Image Credits: iStock)
As India continues to battle record-breaking heatwaves, the danger isn't just heat strokes and dehydration. Our skin often bears the brunt of rising temperatures, prolonged UV exposure, and excessive sweating. Dermatologists are warning that if you’ve been ignoring unusual skin irritations lately, the heat may be to blame.
"Heatwaves are becoming more intense and frequent due to climate change, and our skin is directly exposed to these extreme conditions every day,” says Dr Chandani Jain Gupta, MBBS, MD – Dermatologist and Aesthetic Physician at Elantis Healthcare, New Delhi. “From rashes and sunburns to fungal infections and eczema flare-ups, the impact can be more damaging than people realize,” she further added.
Heat Rashes: When Trapped Sweat Wreaks Havoc
Among the most common heatwave-related issues is heat rash — also called prickly heat or miliaria. “This occurs when sweat glands are clogged from persistent sweating, trapping moisture under the skin. It usually appears as red bumps, tiny blisters, or pimples, particularly in sweaty areas like the neck, back, and thighs,” explains Dr Gupta.
Left untreated, heat rash can lead to bacterial infections. "The key is to stay dry, wear loose cotton clothing, and avoid exposure to extreme heat. Letting your skin breathe can work wonders,” she adds.
Sunburn: Not Just About Redness
Another serious consequence of prolonged sun exposure during heatwaves is sunburn. Dr Gupta warns, “Many people underestimate sunburn. It’s not just redness—it’s actual damage to skin cells and blood vessels. Severe cases can cause pain, blisters, and even fever.”
Repeated sunburns can accelerate skin ageing and increase the risk of skin cancer. "A broad-spectrum sunscreen with SPF 30 or higher is non-negotiable. You must reapply it every two hours and wear protective clothing like hats and long sleeves,” she advises.
Eczema Flare-Ups: Heat Can Be a Trigger
For people with eczema, heatwaves bring additional challenges. “High temperatures and humidity dry out the skin and aggravate eczema. Sweat, which contains salt, stings compromised skin, leading to more itching and inflammation,” Dr Gupta explains.
She recommends: “Use fragrance-free moisturisers, wear breathable fabrics, and stay in air-conditioned environments during peak heat hours. Consistent skin hydration is essential to maintain the skin’s protective barrier.”
Acne and Fungal Infections: A Breeding Ground for Skin Trouble
Acne is another heatwave side effect. “Sweat, dirt, and oil clog pores, leading to more breakouts,” says Dr Gupta. “Washing your face gently but regularly, especially after sweating, helps keep pores clear.”
Further, the warm, moist environment makes it easier for fungal infections like athlete’s foot or ringworm to thrive, especially in skin folds. “Always dry off completely after a shower, and consider using antifungal powders if you're prone to these issues,” she suggests.
Don’t Ignore the Signs
"Skin issues during heatwaves are not just cosmetic—they're warning signs,” Dr Gupta says. “The skin is the first organ to reflect internal and external stress. Take care of it before it leads to bigger health concerns.”
From hydration and sun protection to proper skincare and hygiene, the steps are simple, but skipping them could cost you your skin’s long-term health.
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