The fingers have small bubbles, which are basically found in every finger. They don't hurt or itch. I don't know what medicine to use.
This situation is considered to be eczema caused by skin allergy. Treatment can be applied with triamcinolone acetonide econazole cream, once in the morning and once in the evening. Try not to touch soap, hand sanitizer, detergent, washing powder, etc. when working, you can wear gloves. Usually wipe some hand cream. Try not to eat river food, seafood, pepper, etc. during the treatment.