How to avoid pimples, dark spots, white spots and others?

Doctor can evaluate. Rashes are hard to describe in words. Small pimples can be due to acne reasons, which can happen even with adults. The treatment would be acne medicines, which include benzoyl peroxide, retinoid gels, and antibiotic gels. Small pimples can also be folliculitis or other skin problems. Darkening of the skin after any rash can happen because more blood flow and more pigment can occur during healing.