Hello! Thank you for asking on HCM! I understand your concern and would explain that these symptoms can be related to orthostatic hypotension. The fact that your symptoms are triggered by standing up position, is an argument in favor of these disorders. But a chronic anemia as well as some metabolic disorders could mimic this clinical scenario (or exacerbate the POTS symptomatology) So I recommend consulting with your GP for a careful physical examination and some blood lab tests: - complete blood count (for chronic anemia) - Ferritine and hemosiderine plasma levels (chronic anemi) - thyroid hormone levels (thyroid function) - cortisol plasma levels (adrenal gland function) - fasting glucose - kidney and liver function tests - blood electrolytes, etc. Meanwhile, I would recommend taking plenty of fluids (water, juices), avoid straining physical activity and have a balanced diet. Hope to have been helpful! Feel free to ask any other questions, whenever you need! Best wishes, Dr. Iliri