<s>[INST] Hi my daughter has complained about a racing heart rate and hands shaking with weak knees feeling. We have gone to a urgent care but could not find anything. I was thinking it might be panic attacks or vertigo. Shes on Medicare for her bladder and kidney stones in past . Could you please shed some light on this , she is stressing out. Thank you!!! [/INST] thanks for your query can feel your concerns advice you to have a complete blood count of your daughter to see her hemoglobin level, as these can be symptoms of anemia as wellie she is anemic, give her iron supplements after consulting your doctor improve her diet add meat, fresh vegetables and fruits to her diet encourage her, give her more time she may need antianxiety medicines after consulting your doctor Hope I have answered your query am available for your help regards Chat Doctor.  </s>