What is the Difference Between Pityriasis Alba and Tinea Versicolor?
🆚 Go to Comparative Table 🆚Pityriasis alba and tinea versicolor are both skin disorders that cause patches on the skin, leading to hypopigmentation. However, they have different causes and characteristics:
Pityriasis Alba:
- Caused by various factors such as ultraviolet radiation, excessive or inadequate bathing, low levels of serum copper, and Malassezia yeast.
- Affects more males than females and is more noticeable in those with darker complexions.
- Diagnosis is typically made clinically, and biopsies are rarely necessary or helpful because pathological findings are nonspecific.
- Treatment usually involves over-the-counter and topical medications.
Tinea Versicolor:
- Caused by the overgrowth of Malassezia furfur in the epidermis.
- Can be diagnosed through KOH examination of the scaly skin, which reveals fungal elements.
- Affects more males than females and is more noticeable in those with darker complexions.
- Treatment usually involves over-the-counter and topical medications.
While both conditions may have similar symptoms such as skin patches, scaly, and itchy areas on the skin, they can be differentiated through diagnostic methods like KOH examination and skin biopsy.
On this pageWhat is the Difference Between Pityriasis Alba and Tinea Versicolor? Comparative Table: Pityriasis Alba vs Tinea Versicolor
Comparative Table: Pityriasis Alba vs Tinea Versicolor
Pityriasis alba and tinea versicolor are two skin disorders that cause patches in the skin, leading to hypopigmentation. Here is a table summarizing their differences:
Feature | Pityriasis Alba | Tinea Versicolor |
---|---|---|
Causes | Various factors such as UV radiation, excessive or inadequate bathing, low serum copper levels, and Malassezia yeast | Overgrowth of Malassezia furfur |
Appearance | Red, scaly patches that eventually turn hypopigmented | Lighter or darker patches on the skin |
Diagnosis | Wood lamp examination and skin biopsy | KOH examination of scaly skin and microscopy to identify fungal elements |
Treatment | Over-the-counter and topical medications | Antifungal creams, shampoos, or oral medications |
Duration | Self-limited, but may take several months to a few years to resolve, with most cases resolving within one year | Typically longer to resolve than pityriasis alba |
Both conditions can be diagnosed through wood lamp examination and skin biopsy, and they are treated through over-the-counter and topical medications.
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