I have red bumps on my back and shoulders, what could it be?

Don't know. 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.
Red bumps. Could be contact dermatitis. Best to have them looked at by a dermatologist.

Related Questions

I have a rash on stomach, back, and shoulder. It's red bumps that are individual and not together. They are raised up and are now starting to itch.

See a doctor. Some itchy rashes are allergy, some viral, some bacterial - a doctor will probably be able to determine the general cause and prescribe or refer. Good luck.
Folliculitis. It sounds as though it could be a folliculitis which is an inflammation around the hair follicles. They're little red bumps which may or may not be itchy. Usually a salicylic acid or benzoyl peroxide wash will take care of it. It can also be a form of eczema which can be aggravated by salicylic acid or benzoyl peroxide. It's probably best to see a dermatologist.

I have dandruff on my scalp and small red bumps. Head and shoulder hasn't cleared this problem up. What is the cause of my scalp issue?

Seborrhea? This may well be a case of seborrheic dermatitis. The head and shouders may not help. You might want to try some selsun to see if that will help. If not call your doc for appt and advice.

I have red bumps on my arms like pimples but not. From my elbows to shoulder what is this from. Coffee or dairy.

Chicken skin? May be keratosis pilaris. Http://www. Mayoclinic. Org/diseases-conditions/keratosis-pilaris/basics/definition/con-20025750 Should check with a dermatologist to make sure.