Over 3 months my hands & wrists ache like theyre broke. the veins & tendons from fingers all the way to elbows swell, burn, & sting. veins get knots in them. pain getting more intense all the time. what could it be? starting to scare me

Doctor can evaluate: Those are interesting symptoms, and may be due to nerve issues (like carpal tunnel symptoms). One can see her primary care doctor, who may refer to a neurologist, to see what all the details are, and to look for a cause. One should write down the symptoms on a calendar, including when they happen, how long they last, what activities were done (note all activities), any medications used, etc...