Whenever i miss my meal or delay or having less will cause me feel so week and dizzy, headache, joint pains.numbness in hands and foot especially left hand and foot, also i feel burning sensation on my left face and eye, feel like nerves are burning and pulling. And my head and hands are shaking. vomiting & difficult swallowing sensation during meal time It continues minimum of 3 to 4 days, some times a week to become normal. Please tel me whats the exact problem and whom to consult. Thanks,