My friend is unwell

My friend has got terrific weight loss she has stomach pains and a grumbling...her intake of food is minimal as it doesn't stay in sometimes for long or just doesn't want it ...her stools are falling out of her at times and still the doctor hasn't sent her fod test she is tiny now she has changed doctors this week yet got to wait till the end of this month just for an appointment can anybody help I've phoned our blood places and nobody will see her without a doctor referral..its getting a bit worrying now