Thursday, 19 May 2016

SUN LIGHT and YOUR SKIN

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DR.GAURANG GUPTA
                                              ( Dermatologist,Cosmetologist)
Sun is always an important factor and plays positive as well negative role in skin condition. Sunlight is involved in numbers of skin disease at the same time it is used as treatment and multiple skin condition. Although as per my experience SUNLIGHT is more of disease producing and can itself cause few peculiar diseases. I will discuss here few very common skin problems caused by Sun Light exposure

TANNING and Generalized Darkening of skin
In India, fairness is itself a kind of taboo and even in rest of the world. Continuous sun exposure to body gradually cause tanning or darkening of skin specially thick skin and prominent part of face like forehead, around eye orbit , hand, back of neck. Diabetes , thyroid further increase the tanning process. Chemical peel and sunscreen is best way to treat. Glycolic chemical peel 30-50% over face is effective method. It takes multiple sitting and many weeks to complete peel procedure. 


SUNBURN
One of the most common manifestation of sun light exposure . This condition is common in white skin. Redness, itching, burning sensation, peeling and blackening just like burned skin are common feature. Continuous exposure to sun light over prominent part of body like face, nose, back, neck, are main site for sun burn. Steroid , sunscreen are main treatment line.

POLY MORPHIC LIGHT ERUPTION (PLE) 
Due to sun exposure skin patches and itching, may arise. Patch may be whitish, yellowish, blister type or multiple small papule type. Any kind of morphic lesion may come that is why it is called polymorphic eruption. Initially it is present over exposed part only but once the reaction triggers in body lesion can come in covered part also. Itching, peeling and burning sensation are the main feature of this. Steroid creams and sunscreen are the main treatment therapy. 

WHITE PATCH OVER FACE
It is common skin condition in children and people who work lot in direct sun light. White scaly patch specially around eye, forehead, nose and below eye come symmetrically which are not much itchy but gets irritated in sun light. Calcium supplements also give with steroid creams and sunscreen also given to the patient.


MELASMA, FRECKLES, SOLAR LENTIGINES 
These all conditions are very common and main concern of patients. Pigmentation over face due sunlight may come in any form. Melasma is the most common type of pigmentation. Asian skin widely affected with this condition. In this condition brownish to blackish patch around nose and below eyes comes which are very resistant to treatment. Chemical peel and sunscreen are main treatment line.
      Freckles and lentigines are small-small spots over face which looks like multiple moles. TCA peel and sunscreen are effective treatment but Q-SWITCH laser are quick and most effective method to treat.

SOLAR URTICARIA(ITCHING)
Person start feeling itching all over body when ever come in sunlight. Some times itching is so sever that patient needs immediate medial attention. Swelling around eye, lips may come with itching. Solar urticaria is type of skin sensitivity due to sun light which trigger multiple body reaction and cause itching , swelling. Excessive sweating further increase the itching. Antihistaminics, Steroids, Azathioprine, Mthotrexate There are a wide range of medicine for its treatment.


SKIN AGEING, WRINKLES , ELASTOIS
Sun light exposure for any years cause damage of water content of skin and collagen material of skin which further cause wrinkling, loss of skin tightness and  aging spots. Although As such there is no treatment for it but by applying sunscreen. Chemical peel, botox, filler etc could be temporary treatment.

SKIN CANCER, MELANOMA, B.C.C,S.C.C
These all are type of cancer which can be aggravated by sun exposure. White skin is very prone to get melanoma and B.C.C . Mole like lesion increasing in size, changing in color, size and texture. Oozing and bleeding could be adding feature of cancer. Skin biopsy is main tool to confirm the diagnosis and plastic surgery is final way to treat.

OTHER DISEASE

1. S.L.E
2. PHOTODERMATITIS
3. SOLAR KEARTOSIS
4. CHOLINERGIC URTICARIA
5. SCLEROSIS
6. XERODERMA













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