Selvakumar Krishnan replied. A Qualifier allows a field to maintain different type of data.For example ,if 'date' is a field with quilifier ,then that date field can hold a) creation date b)sold date c)delivery date etc....
Itch armpits might mean different things including effect of armpit shaving, infections (yeast, bacterial or viral infections), cancer, pregnancy, among others. Itchy underarms can be accompanied with rashes or no rashes, redness, swelling, etc.
Itching of the armpits is not uncommon. Given the hair, sweat, skin oils and lack of ventilation there may be occasional itching despite a lack of any skin disease. Aggressive scratching of the skin can easily injure it. Having long nails or jagged nails may injure the skin easily and more extensively.