Sounds like a lot of sympoms of Addison's Diesease:
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Signs and symptoms
Signs and symptoms of Addison's disease usually develop slowly, often over several months, and may include:
Muscle weakness and fatigue
Weight loss and decreased appetite
Darkening of your skin (hyperpigmentation)
Low blood pressure, even fainting
Salt craving
Low blood sugar (hypoglycemia)
Nausea, diarrhea or vomiting
Irritability
Depression
Sometimes, however, the signs and symptoms of Addison's disease may appear suddenly. In acute adrenal failure (addisonian crisis), the signs and symptoms may also include:
Pain in your lower back, abdomen or legs
Severe vomiting and diarrhea, leading to dehydration
Low blood pressure
Loss of consciousness
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Just a thought.