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Photosensitivity

Photosensitivity or sun sensitivity is a condition where the skin develops rashes to ultraviolet radiation (UVR). Typically people are usually sensitive to UVA. But photosensitivity can also occur due to medication allergy or contact with certain chemicals or plant materials. Photo tests are useful in diagnosing photosensitivity by checking the skin with artificial light to test for the rashes. Photo patch is applied on a certain area to check for response. Sun protection is crucial for those suffering photosensitivity. Using sunscreens with high SPF can help. Check out those that do not cause allergic reactions. Topical steroid creams are helpful in tackling sun rashes and itching. voiding bright sunny outdoors between 10 a.m. and 3 p.m. is ideal for those with sun-sensitive skin.

Eczema

Eczema is a form of dermatitis, a skin irritation characterized by red, flaky skin, sometimes with cracks or tiny blisters. It is extremely itchy and in some cases the affected areas of the skin can split and ooze clear fluid. The severity of eczema may vary from person to person.

Types of Eczema


  • Contact eczema is a localized reaction and manifests as redness, itching, and burning where the skin has come into contact with an allergen or irritant.

  • Allergic contact eczema is a type of eczema with red, itchy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign. This can be caused by poison ivy or certain preservatives in creams and lotions.

  • Seborrheic eczema refers to a form of skin inflammation of unknown cause that appears as yellowish, oily, scaly patches of skin on the scalp, face, and occasionally other parts of the body.

  • Nummular eczema refers to a type of coin-shaped patches of irritated skin-most commonly on the arms, back, buttocks, and lower legs-that may be crusted, scaling, and extremely itchy.

  • Dyshidrotic eczema appears as irritation of the skin on the palms of hands and soles of the feet characterized by clear, deep blisters that itch and burn.

Eczema treatment

There are various options for treating eczema though it can be completely cured. Antihistamines and topical immuno-suppressants help clear the affected area. Oral antibiotics may be used for skin infections that arise at the site of an eczema flare-up.

Topical steroids: The type and potency of topical steroid creams is prescribed on the age of the patient and severity of the condition. A thin layer of such creams is applied to affected parts of the skin.

Emollients: They reduce water loss from the skin and reduce dryness. Creams, ointments, lotions and bath oils help in re hydrating dry and cracked areas.

Oral steroids: Oral steroids are generally reserved for eczema that is resistant to all other treatments because this class of drugs is much more likely to cause side effects.

Phototherapy: UV A and B light therapy controls cells in the skin and thereby reduces scaling and sloughing of skin.


Herpetic Whitlow

Herpetic Whitlow is a painful skin infection of the hand and fingers. In this condition, the base of the nail or pulp of the finger is afflicted with a small painful abscess that are pus filled. This skin infection is caused by Herpes simplex virus. It is characterized by intense pain in the affected finger. While herpetic whitlow usually begins in one finger,the other fingers soon get affected. In severe cases, the person may lose the affected nail or suffer disfigurement of the finger. There is intense pain when the abscess bursts. There may be itching, swelling and tenderness in affected area.

Secondary infection can lead to fever and swollen glands in the armpit. Herpetic Whitlow tends to affect housewives whose hands are wet for long periods due to washing and cleaning. It is also noticed among healthcare workers. Use of latex gloves while working with cleaning agents, scouring powders and detergents can help in keeping this infection at bay. Children and adults must keep the hands clean and dry. Herpetic whitlow is treated with oral anti viral agents such as Acyclovir. Topical steroid creams or ointments are applied.

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Bibliography / Reference

Collection of Pages - Last revised Date: November 15, 2019