I have been having numbing and tingling sensations in my right arm. My veins on top of my hand were bulged out and bright blue w can cause this?

See your doctor. Symptoms like these are best deterimed by a thorough evaluation by your physician. Based on his/her findings, a treatment plan can be developed to help you.
See PMD. Please see your pmd and be evaluated. This could be many things. Hope you get some answers!