There is a white spot on the waist, not allergy, can it be vitiligo?

A white spot on the waist has been ruled out as caused by allergies. This condition is not necessarily caused by vitiligo. This may also be tinea versicolor, which is caused by malassezia infection. Secondly, it may also be caused by pityriasis white. There is a certain relationship with genetics. You can go to the hospital for examination and treatment after diagnosis.