Alopecia areata is a common autoimmune disorder that commonly results in unpredictable hair loss, It affects 2% of Indians (roughly 6.5 million people) and can affect anyone regardless of age and gender The word alopecia comes from Ancient Greek and roughly translates as “fox disease,” on account of foxes changing their fur twice a year. The word areata means “occurring in patches or circumscribed areas.”
In all forms of alopecia areata, the hair follicles remain alive and are ready to resume normal hair production whenever they receive the appropriate signal. In all cases, hair regrowth may occur even without treatment and even after many years. There are no FDA approved treatments specifically for alopecia areata, alopecia areata totalis or alopecia areata universalis, however many medical professionals are willing to try treatments off label. Mild, Patchy Alopecia Areata There are treatment options available for mild, patchy alopecia areata (less than 50% scalp hair loss) though there is currently no acceptable treatment that works in all cases.
Intralesional corticosteroid injections: Intralesional corticosteroid injections into bare skin patches are the most commonly used treatment for alopecia areata The injections are usually given by a dermatologist who uses a tiny needle to give multiple injections into the skin in and around the bare patches. The injections are repeated once a month. Both the needle prick and the slight tingling are usually well tolerated and there is no discomfort after leaving the doctor’s office. If new hair growth occurs, it is usually visible within four weeks. Treatment, however, does not prevent new patches from developing. There are few side effects from local corticosteriod injections. Occasionally, temporary depressions in the skin result from the local injections, but these “dells” usually fill in by themselves.
Topical Minoxidil: Five percent topical minoxidil solution applied twice daily may regrow hair in alopecia areata. Scalp, eyebrows, and bear may respond. If scalp hair regrows completely, treatment can be stopped. Two percent topical minoxidil solution alone is not effective in alopecia areata; response may improve if cortisone cream is applied thirty minutes after the monoxidil. Topical minoxidil is safe, easy to use, and does not lower blood pressure in persons with normal blood pressure. Topical minoxidil solution is not effective in treating those with 100% scalp hair loss.
Anthralin cream or ointment: Another treatment is the application of anthralin cream or ointment. Anthralin is a synthetic, tar-like substance that has been used widely for psoriasis. Anthralin is applied to the bare patches once daily and washed off after a short time, usually thirty to sixty minutes later. If new hair growth occurs, it is seen in eight to twelve weeks. Anthralin can be irritating to the skin and can cause temporary, brownish discoloration f the treated skin. By using short treatment times, skin irritation and skin staining are reduced without decreasing effectiveness. Care must be taken not to get anthralin in the eyes. Hands must be washed after applying it.
Another method of treating extensive alopecia areata or alopecia areata totalis/universalis is known as topical immunotherapy and it involves producing and allergic rash or allergic contact dermatitis. Chemicals such as diphencyprone (DPCP), dinitrochlorobenzene (DNCB), or squaric acid dibutyl ester (SADBE) are applied to the scalp to produce an allergic rash which resembles poison oak or ivy. Approximately 40% of patients treated with topical immunotherapy will regrow scalp hair after about six months of treatment, Those who do successfully regrow scalp hair still need to continue the treatment to maintain the hair regrowth, at least until the condition turns itself off. An itchy rash may be uncomfortable in very hot weather, especially under a wig. These treatments are not available everywhere in India.
Wigs: In general, treatments are much less effective for extensive alopecia areata (particularly alopecia totalis/universalis). For this reason, an attractive wig is an important option for some people. Proper attention will make a quality wig look completely natural; every wig has to be cut, thinned and styled, often several times, To keep a net base wig from falling off, even during active sports, special double sided tape can be purchased in beauty supply outlets and fastened to the inside of the wig. For those with completely bare heads, there are suction caps to which any wig can be attached and there are entire suction cap wig units. These state of the art wigs, which make use of a silicon base to create a secure vacuum-fit, are comfortable and easily removed by the wearer, Proper fit of a vacuum wig requires that any existing scalp hair be shaved, These wigs are generally more expensive than other types of wigs.
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