hx of bulimia

33 yo F with diarrhoea, thrush and indigestion

33 yr old female with diarrhoea, thrush, indigestion, fatigue and ‘flu-like’ on waking, acne, PMS, stiff joints, poor sleep, hx of bulimia, high alcohol and toxicity? I’m still a student so working from teaching clinic, wanting to do the most beneficial test as suspect will only have one to play…