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- Sun Tan. A suntan is the darkening of the skin in response to sun exposure. A suntan that develops immediately is primarily a response to UVA exposure, while a tan that develops days after exposure is mostly due to UVB.
- Sun Burn. A sunburn is a thermal burn occurring on the outer layer of the skin after prolonged exposure to ultraviolet (UV) rays. A first-degree sunburn is a milder form where the skin reddens and may hurt when touched.
- Freckles. Freckles are flat and circular spots that are usually small in size and brown or beige in color. They usually develop in clusters on areas of the body that are regularly exposed to the sun, such as the face and forearms.
- Melasma. Melasma (or chloasma) is an abnormal patch of skin discoloration/darkening that typically occurs on the forehead, cheeks, nose, chin, or upper lip.
Jun 24, 2023 · Lentigo maligna. Lentigo maligna is a type of growth that develops on areas often exposed to the sun over a long period of time, including the face, arms and legs. Lentigo maligna starts as a flat spot with an uneven shape that slowly gets bigger. When it first appears, a lentigo maligna usually is brown or brown-black.
- Sunburn
- Dehydration
- Hyponatremia
- Heat Exhaustion
- Heatstroke
- Summary
Sunburn is a common skin injury. It is caused by excess exposure to ultraviolet (UV) radiation from the sun. The injury happens when UV radiation directly damages the DNA in skin cells, triggering an inflammatory response. The damaged cells die and shed, which is what causes the peeling and flaking of skin.
Dehydrationoccurs when your body loses too many fluids or electrolytes. This can interfere with your normal body functions. On hot days, you may become dehydrated when you're not taking in as many fluids as you're losing.
The opposite of dehydration is hyponatremia. This is sometimes also called "water intoxication." Dehydration isn't just water loss. When you're dehydrated, your electrolytes also become imbalanced. Hyponatremia can occur when you lose a lot of water through sweat but you don't replace lost sodiumwhen you rehydrate.
Dehydration with prolonged sun or heat exposure can cause heat exhaustion. This happens when the body's core temperature rises above 98.6° but not above 104°.It typically occurs on hot, humid days when you're overexerting yourself.
Heatstroke is also known as sunstroke. It is a more severe form of heat exhaustion. When you have heatstroke, your body's core temperature exceeds 104°. Heatstroke causes more than 600 deaths in the United States each year. There are two different types of heatstroke: 1. Exertional heatstroke, caused by excessive exertion in hot temperatures 2. Non...
Too much time in the hot sun can lead to a number of health conditions. This includes sunburn, dehydration, hyponatremia, heat exhaustion, and heatstroke. You can avoid these conditions by taking the right precautions. Use sunscreen and sun-protective clothing. Replace lost fluids and electrolytes with a sports drink. Learn to recognize the symptom...
Loss of skin tone (loss of elasticity) in sun-exposed areas. Lines and wrinkles around your eyes and mouth that increase in number and depth. Worry lines on your forehead that are always there. Red, rough scaly spots (called actinic keratosis) on your skin. Lip lesions (called actinic cheilitis).
Feb 5, 2020 · Basically, it looks like a really bad sunburn. "Sun poisoning looks like redness, blistering, and peeling on the affected skin," says Dr. Garshick. Here are some photo examples of what sun ...
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Jan 18, 2023 · Summary. In addition to red, inflamed, painful skin, sun poisoning is a severe sunburn that may include other body-wide symptoms. These symptoms may include nausea, vomiting, headache, fever, and dehydration. Sun poisoning can be serious, so seek medical attention if you experience symptoms. People with lupus, eczema, and certain photosensitive ...
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Jun 5, 2024 · Other symptoms include blisters, severe pain, swelling, fever or chills, dehydration, and even skin infections. “A sunburn and sun poisoning can look the same, although the latter would be more intense, and you would usually experience swelling and blisters,” Patel said. “The key differences are the systemic symptoms,” including ...
