I am 16 years old male I do not no what is the problem but when I stand walk 1 meter I have pain in me inside the head and my heart beat become very fast sometime chakkar I also when in morning I stand out from my bread one I have gone for blood group test but the doctor have pinch the injection three times in my finger then fourth time some blood comes out I also have pain in my from 4 days please tell me what is that and can be cure by home remedies.