Lots of symptoms , sweats, headspasm stomach an neck spasm .notice my blood pressure drops with standing up its low can this be why ?

Orthostasis: Hypokalemia Autoimmune Hemolytic Anemia Pheochromocytoma Mitral Valve Prolapse Hypopituitarism Hypertension, Secondary and Resistant Galactorrhea Proteinuria Neuropathy, Autonomic Psychosis Volume loss Myriad causes/associations as you can see above from partial listing,seek evaluation on Health Tap Concierge or with in person Physician;ASAP if of new or recent onset.