- Alopecia areata is a very unpredictable condition. In many cases, bald patches regrow by themselves without treatment. If the hair loss become more extensive hen the decision on whether to treat may be considered.
- Injection of steroid (triamcinalone acetonide) in to the bald patches of the scalp of the scalp suppress the local immune reaction that occur in alopecia areata and allows the regrowth. This treatment may be an option for oe or more small to medium size bald patches.
- This treatment is should only done by a skin specialist.
- Large bald area are not suitable for steroid injections.
- Injection are repeated every 4-6 weeks.
- It takes 1-2 months for the hair to start to regrow.
- There is no guarantee that any hair re-grown during treatment will persist.
Topical steroids and immunomodulators:
- Steroid cream , gel, etc. can be used but these are not as effective as steroid injections. Topical steroids are to be strictly used under medical supervision and prolonged use should be avoided.
Topical minoxidil solution:
- Applied to the bald patches and has been shown to promote hair re-growth in some cases.
- Topical immunotherapy is the most effective option for people with extensive alopecia areata.
- Substances like diphenylcyclopropenone(DPCP) is applied on affected skin to make the skin react like an allergy or dermatitis (eczema). The skin reaction affect the process involved in causing alopecia areata to regrow hair.
- Phototherapy- either PUVA or UVB NBT
- Immunosuppressive treatment- systemic steroids, cyclosporine, azathioprine or methotrexate.
- Wigs are considered in resistant cases.
- Tattooing can be considered in case of eyebrow hair loss for cosmetic reason.