Pimple Like Bumps On Neck. The most common causes are shaving or heat rash. Bumps around mouth neck on lip line and even under eyes can mean different things.

It can be caused by the use of steroids. Acne develops when sweat bacteria and oil block the pores. Outbreaks of acne along the jawline and upper neck are common when hormonal fluctuations are to blame for the pimples.
This is because the life span of a pimple is over after about two weeks.
Latex pollen insects various plants and some medications such as sulfa drugs or even aspirin may also cause hives. Christina OHara answered Specializes in. It is known that small pimple-like bumps mostly acne on. Periorificial dermatitis can cause breakouts around the nose and mouth.