Is the goose-bumps-like little red dot on the neck hot prickly heat?

The goosebumps on the neck may be caused by hot prickly heat or skin allergy. You need to take your child to the dermatology department of the hospital for examination and treatment. If it is caused by hot prickly heat, you can apply prickly heat powder to your child. Change wet clothes frequently to reduce the irritation of sweat on the skin.