― Myxedema Coma Treatment Self-Care at Home ∙ If you have hypothyroidism, be alert to your condition. ∙ Call your doctor if you are concerned. Check your blood sugar level if you are diabetic. Warm yourself up with a warm blanket and seek help. Take your prescribed thyroid medication if you missed them earlier.People with myxedema coma are in a coma or nearly in a coma. They are not able to function normally. Friends or family members should take them to an emergency [...].