How to get rid of red bumps on neck area?

Difficult to say. It's often difficult to diagnose skin issues without seeing them in person. I recommend seeing your doctor for diagnosis and any needed treatment.

Related Questions

How could I get rid of red bumps around my pubic area from shaving?

Folliculitis. Inflammation of hair follicles from over-shaving. It is referred to as superficial folliculitis and usually resolves spontaneously.

How can I get rid of red bumps from waxing pubic area?

Carefully. A shave (following the direction of hair growth) prior to waxing may help.
Waxing bumps. A steroid cream might be applied to decrease inflammation. Exfoliation may be recommended to remove dead skin cells with retinoids. For secondary infections your physician may recommend oral or topical antibiotics.

How can I get rid of red bumps on my armpits?

Bumps. This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes. Once accurately assessed a treatment plan can be developed.