02/03/2026
Coeliac Disease: Still Common, Still Missed
Coeliac disease affects 1 in 70 Australians, yet up to 80% of cases remain undiagnosed. Many people don’t realize their symptoms could be related to gluten and some have no gut symptoms at all.
What to look out for
Coeliac disease can cause:
- Abdominal pain
- Diarrhoea
- Unexplained weight loss
- Iron deficiency or B12 deficiency
- Mouth ulcers
- Osteopenia or osteoporosis
- Skin rashes such as dermatitis herpetiformis
- Fertility issues
- Neurological symptoms like tingling or balance problems
- In children: faltering growth, delayed puberty, abdominal pain
Important: Coeliac disease cannot be diagnosed with skin prick testing
Skin prick tests assess IgE‑mediated allergy, not autoimmune conditions like coeliac disease.
Diagnosis requires:
- Coeliac‑specific blood tests whilst you are still eating gluten
- And, in most adults and some children, a small bowel biopsy for confirmation
Food allergy and coeliac disease often overlap
People with food allergies have higher rates of coeliac disease. If you or your child has food allergies, it’s worth being aware of coeliac symptoms and discussing testing with your GP or allergist.
Why early diagnosis matters
Untreated coeliac disease can affect bone health, growth, fertility, liver function and long‑term wellbeing. After a clearly confirmed diagnosis, a strict gluten‑free diet is currently the only treatment, and support from an experienced dietitian makes a big difference.
https://coeliac.org.au/the-coeliac-australia-awareness-week/