Dorset Allergy works closely with an adult and paediatric dietician to ensure you receive the full guidance you need to manage yours or your child’s allergy. Our dieticians have vast levels of experience of managing patients with allergies and gastrointestinal conditions, such as Irritable Bowel Syndrome or Inflammatory Bowel Disease.

If after seeing Doctor Helen, she believes you would benefit from dietetic input, with your permission she will make a referral to either Marianne (for adults) or Joan (for children) and a virtual consultation can then be arranged.

Marianne Williams
BSc Hons,
RD, MSc Allergy,
Dietetic Advanced
Clinical Practitioner

Marianne specialises in irritable bowel syndrome (IBS), the low FODMAP diet, food allergy, diverticular disease, coeliac disease and gluten sensitivity. 

“Many gut conditions have almost identical gut symptoms.  However, the dietary treatment for each condition can be very different and it is vital that the correct and safe nutrition advice is given by a specialist dietitian.”

Joan Gavin
BSc Hons             
Nutrition and Dietetics, 
RD, MPhil

Joan is a registered children’s dietitian with 25 years’ clinical experience in the NHS and with particular expertise in food allergies and gastrointestinal conditions such as irritable bowel syndrome (IBS).

I have a BSc Honours degree in Nutrition and Dietetics, a Masters Degree in Applied Paediatric Nutrition and a Postgraduate Certificate in Allergy from Southampton University. I also have a Diploma in Child Psychology and significant experience in dealing with babies and children with feeding behaviour problems.

I am registered with The British Dietetic Association and Health Care Professions Council and am a member of the Food Allergy and Intolerance Specialist Group of the British Dietetic Association and the British Society of Paediatric Gastroenterology, Hepatology and Nutrition.

I have published papers in medical journals and textbooks on nutrition in disease and presented internationally on my research in this area. I am also involved in GP and Health Visitor training on food allergies and childhood nutrition.

I am passionate about ensuring every child’s diet meets their nutritional needs to benefit their health in later life.

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