text: Symptoms may last for days, weeks, or months until the disorder is healed. The most apparent sign of hypermetabolism is an abnormally high intake of calories followed by continuous weight loss. Internal symptoms of hypermetabolism include: peripheral insulin resistance, elevated catabolism of protein, carbohydrates and triglycerides, and a negative nitrogen balance in the body. 
  Outward symptoms of hypermetabolism may include:
  * Weight loss
  * Anemia
  * Fatigue
  * Elevated heart rate
  * Irregular heartbeat
  * Insomnia
  * Dysautonomia
  * Shortness of breath
  * Muscle weakness
  * Excessive sweating