Dermatology - diseases of the skin

Sunburn (Photodermatitis)


Sunburn (photodermatitis)

Sunburn is damage to the skin caused by excessive exposure to sunlight. All the sun’s rays are divided into visible and invisible. The main damaging effect on human skin have invisible rays. Depending on their length, these rays have effects of varying intensity on the skin of the person. Most so-called carcinogenic UV rays. They are responsible for the defeat of the papillary dermis and the appearance of redness. Excessive exposure to UV rays of special cells in the skin, melanocytes, are beginning to synthesize melanin, which protects the skin from burns. The result of the accumulation of melanin in the skin is tan. It is logical that its saturation depends on the amount of melanin produced by melanocytes.

It must be remembered that there are numerous substances that when using outdoors or ingestion may increase your skin’s sensitivity to sunlight. This so-called photosensitizers. In the annotation to the medication this side effect should be indicated. This gel effect “Basiron”, corticosteroid external means, capsules “Doxycycline” or other drugs of the tetracycline, often used to stabilize one or another of the skin process. Often such plants have a reaction, interaction of human skin with the juice which appears the so-called photodiodearray.

Most often burns as a result of exposure to ultraviolet rays are manifested by redness and soreness of the skin, and may appear vesicles, the grouping in the bubbles with serous content. Usually these symptoms appear on areas of the body not protected by clothing. In cases of burn surface with a peculiar pattern you want to exclude additional pathological impact exerted on the skin by external means. In addition a kind of picture of skin damage is caused by the juices of various herbs plants. In this case, the burn surface reflects the picture of the leaves of these plants.

With the appearance on the skin of the hands and face blisters, erosions, superficial ulcers under the influence of ultraviolet rays and minor injuries you should consult a doctor to exclude a late cutaneous porphyria, which is a result of deficiency of vitamin PP in the body. This disease in which porphyrins accumulate in the skin due to improper metabolism in the liver are photosensitizers. Analysis of urine helps in the diagnosis of this disease. In these patients the urine is pink-red due to the large number of uroporphyrins.

Prevention of sunburn

Principles of treatment of sunburn are reduced to long ago and everyone knows the rules. It is necessary to exclude the influence of sunlight damage to skin. It is not enough to cover the burned skin with clothing. You must know that synthetic fabric skips to 15 %, and natural cotton to 6% of UV rays. When wet clothes need to add more up to 20% of the rays that affect the skin by protecting it with a cloth.

It is known that when exposed to sunlight on human skin is the tissue damage and the formation of large amounts of free radicals. To obtain the effect of an antioxidant (neutralizing free radicals) sunbathers person must drink lots of green tea or pomegranate juice. With the same purpose in the diet is recommended to give preference to vegetables, fruits, legumes and nuts.

Sunburn Treatment

In violation of the General condition and the chills are assigned NSAIDs (paracetamol, ibuprofen). Can you take and aspirin is a drug from the group of salicylates.

Sunburn TreatmentBubbles with a large quantity of exudate should be opened with all rules of asepsis, for which it is recommended to consult a the doctor.

Self treatment for sunburn

In the treatment of sunburn you can use folk remedies. With redness of the skin you can use wet-drying bandages with herbal teas. Most suitable for these purposes are: oak bark, chamomile, succession, celandine, prepared according to instructions for external use. The decoction room temperature wetted gauze, folded in 6-8 layers, and 15 minutes covered the damaged part of the skin. The procedure is repeated within one and a half hours, with subsequent 3 hour break from treatments, during which the victim necessary to saturate the skin moisturizing cream. Thus wet-drying bandage during the day are performed 2-3 times, until the disappearance of signs of acute inflammation.

Moisturizer used to restore the hydro-lipid film can be of the following dermatological lines: “Uriage”, “Aven”, “Bioderm”. This: “Xenos”, “Trickser”, etc.

On erosion can be applied “Olazol”, “Germain” and other means, successfully used to treat burn wounds.

From folk remedies you can use used tea bags on the burnt eyelids. The effect of this procedure is reminiscent of the positive effects of wet-drying dressings.

To reduce friction sheets with damaged surface of the possible use of talc sprinkled on the sheet.

For annealed legs to create an elevated position.

Leather, restored after sunburn, very sensitive to the effects of irritants. When peeling, it is necessary to actively apply a skin moisturizer. This leather and should continue to be protected from excessive exposure to irritants and sunlight in the first place. Another burn at this point will appear more rapidly.

Cream to protect from sunburn

To protect the skin previously affected by sunlight, it is necessary to use cosmetics with SPF. Such a cream must contain SPF (Sun Protect Factor) from ultraviolet radiation Type-B and UV Type-A. SPF factor, which is found in creams can be from 5 to 70. Often in such creams added Vitamin E that makes the skin more impervious to UV light.

Buying cream to protect from sun rays, you need to evaluate your skin against the sun. For example, people with white, almost instantly burning skin (redhead and blonde with fair skin and blue eyes) should use a cream with maximum protection (SPF-70, UVA-16). If this type of skin brown eyes, then after receiving the first long-lasting tan, the level of protection cream can reduce up to SPF 20. People, usually no problems when tanning, you must use cream with SPF 6 to 15, because these creams not only protect, but also soften the skin.

The correct cream should be applied to the body in advance, not on the beach. You first need to protect the protruding parts of the body: nose, chest, shoulders. Apply the cream in a thin layer, without rubbing. Even if the cream is water-resistant, after swimming, it must re-apply because after drying skin with a towel a layer of protective film decreases.

Even if you use a cream with maximum protection factor, the rules above must not be changed. Under direct sunlight it is recommended to only be in the morning and evening hours. And of course, make sure to use sunglasses. Their primary task was to protect the thin and delicate skin around the eye and the retina.

Consultoria a dermatologist on the topic sunburn:

1. Why is the skin under the sunlight at first blush?

Redness is a manifestation of melanin, not had time to go through a certain stage of oxidation due to excessive exposure to UV rays on the skin.

2. Can you only talk about the negative effects of UV on the skin?

A moderate amount of UV light necessary for synthesis in the human body of vitamin D. It is essential for the regulation of the assimilation of phosphorus, calcium, and also for healing wounds and strengthening the musculoskeletal framework. It is known that to maintain the necessary amount of vitamin D in the human body enough in the summer to substitute the sun for the face and hands for 5-10 minutes 2-3 times a week.

3. Under any disease ultraviolet rays are used in therapeutic doses?

Atopic dermatitis, acne, eczema, winter type of psoriasis can have a more stable remission on the background in ultraviolet suberythermal doses.

4. Is it True that tanning, resulting in the Solarium protects from the appearance of sunburn during the holidays, conducted by the sea?

No. This tan is equivalent to the application of cosmetics with low sun protection factor (SPF 2-3). Moreover, it is authentically proven that the UV tanning has high carcinogenic effect (causes cancer of the skin).

What to do in case of burns - doctor's consultation5. Why do I need UV protection?

It is known that UV-B rays do not only start the process of melanin formation in the skin that lead to skin aging, but also dangerous as the stimulation of most types of skin cancers. The risk of melanoma formation under the influence of UV-A rays are also known in medicine fact.

6. How to correctly apply sunscreen?

The cream is applied in a uniform layer 1-2 mm, not RUB, while rubbing sunscreen creams reduces their effectiveness. This is because the protective effects of white foam forming on the skin. It does not allow to form free radicals on the skin as a result of exposure to harmful UV rays, type a( UVA).

7. Is it True that the use of oil for tanning reduces the risk of burns?

Yes, and also use walnut or peach oils prevent skin from drying. But at the same time it must be remembered that in some essential oils contain components (bergamot, citrus), amplifying the sensitivity of the skin and promotes the appearance of photodermatitis.

8. Is it True that UV increase the body’s resistance to colds?

Yes. It is known that under exposure to UV increases the amount of antibodies in the blood, and thereby increases resistance to viral and bacterial infections. But as you know, “Best is the enemy of the good”. Uncontrolled and excessive use of ultraviolet irradiation leads to the decreased immunity and increases the risk of colds.

9. Useful if UV is elderly?

Yes. Moderate amounts of sunlight helps with rheumatic and osteochondrose symptoms, and strengthens the musculoskeletal framework.

10. Whom is particularly not recommended to be in direct sunlight?

This primarily refers to people with lots of moles and age spots. Pregnant women from excessive UVR may appear HLASM – hyperpigmented spots on the face. People with inflammatory disease of the skin should not expose it to direct UVR. And of course, children up to 3 years to better protect the skin from the active sun.

11. How effectively smearing the reddened skin sour cream and yogurt?

If at hand is the only yogurt and sour cream, reddened skin without blisters, you can apply these funds. It will bring little relief, though not for a long time. Will decrease the pain, burning. When combined with skin flakes from the yogurt will begin to form a dense crust, which will bring in more discomfort. This crust with great difficulty washed from the skin. Try to use all the products for their intended purpose. In the case of sunburn, give preference to finished medicinal products intended for skin regeneration.