<s>[INST] when i am walking and I hold my head tilted up I feel dizzy, now im sitting in a chair and my right leg tingled then went numb and has a slight throb. I am 26, 5 2 and 130lbs. I dont have any preexisting conditions, i drink a lot of water, no neurological problems (I think) [/INST] Hello, It may be due to generalized weakness or viral fever or electrolyte imbalance or hyper or hypothyroidism or alcohol abuse or infection etc. Until examination is done it is difficult to say what it is. Use tablet pantoprazole before breakfast for one week.  Chat Doctor.  If symptoms not improved please get it done lumbar X-ray then consult your physician he will examine and treat you accordingly. Hope I have answered your query. Let me know if I can assist you further. Take care  </s>