What is this rash in your elbow crease It seems to go away every few days and itchy irritated by moisture sweat. I seem itch it at night started a tropical destination.?

It is possible you have tinea versicolor or pityriasis versicolor. It's a common skin condition that causes light or dark patches on your skin. It's caused by a fungus that lives on your skin. Tinea versicolor is usually not harmful and doesn't cause any symptoms other than the skin discoloration. However, some people may experience itching or irritation

Symptoms

- Skin may appear:

- Red, brown, pink, or white

- Scaly

- Dry

- Itchy

Treatment

- Washcloths to scrub gently at the spots daily

- Antifungal soap or shampoo used in shower then left to air dry for five to ten minutes

- Over the counter antifungal creams or sprays for several weeks

- Prescription creams like ketoconazole or selenium sulfide

- Oral anti-fungal medication for widespread body rash that doesn’t respond to topical treatment