Hi welcome to HCM... For dizziness blood pressure measurement and by capillary prick glucose estimation has to be done first ...(as you are nurse , so at home this two thing can be checked ) If hypotension or hypoglycemia present than treated accordingly ... If dizziness occurs in particular position than it could be benign positional vertigo. For which epley manouever useful.. If needed betahistine drug can be prescribed ... Otological examination also needed ... Labyrinthitis like cause can lead dizziness .. Also investigate with HB estimation for rule out anemia ... If neurological cranial nerve examination abnormal than more work up needed .. Advise : otorhinolaryngologist consultation.. Take care According to cause further treatment guided