What causes PMH?
The etiology of PMH is multifactorial where genetic predisposition, the presence of P. acnes and hormonal imbalance play the main role. Administration of local and systemic antimicrobial treatment with NBUVB phototherapy for 3 months is an effective treatment regimen for PMH.
Is progressive macular Hypomelanosis common?
Progressive Macular Hypomelanosis (PMH) is a common but often misdiagnosed disorder of acquired hypopigmentation.
What is a PMH diagnosis?
Progressive macular hypomelanosis (PMH) is a noninflammatory skin disorder characterized by ill-defined, nummular, hypopigmented, and nonscaly macules. Historically, various names have been used to describe this entity.
Can progressive macular Hypomelanosis go away?
They are not preceded by inflammation, unlike postinflammatory hypopigmentation following nummular eczema or psoriasis. The course of progressive macular hypomelanosis is reported to be variable. Some cases may resolve in 3–5 years.
What is extensive PMH?
Progressive macular hypomelanosis (PMH) is a common pigmentary disorder resulting in hypopigmentation of the skin. It has also been called cutis trunci variata, nummular and confluent hypomelanosis, Creole dyschromia, and idiopathic multiple large-macule hypomelanosis.
What is a PMH treatment?
Currently, the treatment of choice of PMH is application of 1% clindamycin lotion during the daytime, 5% benzoyl peroxide gel at night-time, and UVA light irradiation three times a week for a period of 12 weeks.
What does post inflammatory hypopigmentation look like?
What does post inflammatory hypopigmentation look like? The condition presents as flat, non-scaly and lighter-than-normal areas of skin.
Is post inflammatory hyperpigmentation permanent?
The good news is PIH will eventually go away, even if left untreated. Since these spots are caused by melanin production, the affected skin will shed like all skin cells. On its own, PIH will generally resolve within two years. With intervention, patients no longer have to wait.
How do you get rid of progressive macular Hypomelanosis?
Treatments for progressive macular hypomelanosis include:
- Narrowband UVB phototherapy.
- Oral tetracyclines.
- Topical anti-acne preparations eg, clindamycin and benzoyl peroxide.
- Combination treatments.