Heatwaves during the summer can have a severe impact on skin health, leading to various dermatological issues that may require immediate medical attention. Dr. Gunjan Verma, a dermatologist at Manipal Hospital Dwarka, New Delhi, highlighted the dangers of heatwaves in an interview with HT Lifestyle, emphasizing that they are not just an inconvenience, but can be extremely harmful to the skin. Without proper precautions, the intense sun exposure can trigger a range of skin conditions, from mild rashes to blistering reactions.
Among the common skin issues caused by heatwaves, Dr. Verma mentioned polymorphic light eruption (PMLE), a common reaction to direct sunlight. This condition manifests as red, itchy rashes, typically on areas of the body not frequently exposed to the sun. While it is not life-threatening, it can be painful and may recur each time the skin is exposed to sunlight if preventive measures are not taken.
Another serious reaction includes photoallergic and phototoxic dermatitis. Phototoxic dermatitis can lead to sunburn-like reactions and blisters, especially when the skin has previously been exposed to chemicals or medications that interact with sunlight. In contrast, photoallergic dermatitis is an immune response that causes rashes, inflammation, and pain after sun exposure, even in small amounts.
Photosensitivity, which primarily affects the face, is another concern. This condition is often linked to certain medical conditions or medications that make the skin more sensitive to UV rays. People suffering from photosensitivity must take extra care, such as using broad-spectrum sunscreen and minimizing sun exposure.
Heat rash, or prickly heat, is a condition that arises when sweat gets trapped under the skin, especially in hot and humid weather. It causes red bumps, itching, and a prickly sensation. To alleviate this discomfort, Dr. Verma recommends staying cool by using cold water, wearing loose clothing, and avoiding excessive heat.
Dr. Verma also shared several preventive measures to protect the skin during heatwaves. These include staying indoors during peak sun hours, from 11 AM to 4 PM, when the sun is at its hottest. It’s crucial to apply sunscreen properly, choosing one with both PA factor and SPF protection to guard against both UVA and UVB rays. For those who must be outdoors, physical sunscreens containing zinc oxide or titanium dioxide are recommended for longer sun exposure, as they provide a stronger barrier against harmful rays. Staying hydrated is another key tip, as dehydration during heatwaves can lead to skin damage. Drinking enough water helps maintain body temperature and keeps the skin hydrated.
Dr. Verma concluded by reminding readers that while these tips can help, they are not substitutes for professional medical advice. Individuals should always consult their healthcare providers for any concerns regarding their skin or health during extreme weather conditions.
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