Differential diagnosis
Common
- Viral upper respiratory tract infections
- Viral gastroenteritis
- Urinary tract infection (child)
- Generalised anxiety disorder
- Irritable bowel syndrome
- Depression
- Pneumonia
- Acute exacerbation of COPD
- Premenstrual syndrome
- Roseola infantum
- Influenza
- Hypothyroidism
- Type 2 diabetes mellitus
- Subclinical hypothyroidism
Infrequent
- Obstructive sleep apnoea/hypopnoea syndrome
- Chronic kidney disease
- Bone metastases
- Polymyalgia rheumatica
- Fibromyalgia
- Shingles
- Coeliac disease
- Infectious mononucleosis
- Acute appendicitis
- Diabetic ketoacidosis
- Angina pectoris
- Osteomalacia
- Clostridioides difficile diarrhoea
- Campylobacter infection
- Vitamin C deficiency (scurvy)
- Primary hyperparathyroidism
- Erythema infectiosum
- Giardiasis
- Hand
- foot and mouth disease
- Lung cancer
- Anorexia nervosa
- Non-typhoidal Salmonella
- Chronic fatigue syndrome
- Temporal arteritis
- Colorectal cancer
- Pancreatic cancer
- Herpes zoster ophthalmicus
- Osteomyelitis
- Hepatitis C
- Primary biliary cholangitis
- Vitamin B12 deficiency
- Non-Hodgkin's lymphoma
- Rheumatoid arthriti