Tinea versicolorhttps://en.wikipedia.org/wiki/Tinea_versicolor
Tinea versicolor is a condition characterized by a skin eruption on the trunk and proximal extremities. The majority of tinea versicolor is caused by the fungus Malassezia globosa. These yeasts become troublesome only under certain circumstances, such as a warm and humid environment. Tinea versicolor is more common in hot, humid climates or in those who sweat heavily, so it may recur each summer. Topical antifungal medications are recommended to treat tinea versicolor.

○ Treatment ― OTC Drugs
If the fungal infection spreads over a large area of body, the spray type may be the better choice.
#Ketoconazole
#Clotrimazole
#Miconazole
#Terbinafine
#Butenafine [Lotrimin]
#Tolnaftate
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  • It appears as white spots with scales and occurs in sweaty areas.
  • Round lesions are typically clustered at the edges, which is a characteristic feature.
  • In this case, the lesion is accompanied by erythema, but in most typical cases, there is no erythema.
  • It may appear similar to vitiligo.
  • It may initially appear as a slightly brownish lesion, but over time it may turn white.
References Tinea Versicolor 29494106 
NIH
Pityriasis versicolor, also known as tinea versicolor, is a common, benign, superficial fungal infection of the skin. Clinical features of pityriasis versicolor include either hyperpigmented or hypopigmented finely scaled macules. The most frequently affected sites are the trunk, neck, and proximal extremities.
 Diagnosis and management of tinea infections 25403034
In prepubertal kids, the usual infections are ringworm on the body and scalp, while teenagers and adults often get athlete's foot, jock itch, and nail fungus (onychomycosis).