What conditions should be excluded before a diagnosis of CFS/FMS is made? While you doctor should exclude the possibility of all these conditions, particular attention should be paid to phosphate diabetes, sleep problems and coeliac's disease as these conditions are commonly missed by GPs. Neuromuscular Disease: Multiple Sclerosis, Myasthenia Gravis, Parkinson's Disease, rare muscle disorders. Chronic Infections: Brucellosis, Giardia, Hepatitis A,B,C, HIV, Leptospirosis hardjo, Lyme Disease, Parvovirus, Post-polio Syndrome, Toxocara (children), Toxoplasmosis. Gastric Disorders: Coeliac's Disease, Crohn's Disease, Food Allergies, Irritable Bowel Syndrome. Hormonal Imbalance: Addison's Disease, Fluid Retention Syndrome, Hypothyroidism, Haemochromatosis, Hypocalcaemia, Hyponatraemia, Thyrotoxicosis, Pituitary Tumour . Psychiatric Disorders: Anxiety, Depression, Post Traumatic Stress Disorder. Rheumatic Disorders: Sjogren's Syndrome, Systemic Lupus Erythematosus. Miscellaneous: Alcohol abuse, Anaemia, Cervical Canal Stenosis, Chiari Syndrome, Hodgkin's Lymphoma, Organophosphate pesticides, Phosphate Diabetes, Sarcoidosis, Sick Building Syndrome, Sleep Apnoea and Narcolepsy, TB.