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Functional Medicine
August 21, 20265 min read

Mouth Ulcers That Keep Coming Back: What Your Body Is Telling You

By FXMed Team

More Than Bad Luck

If you suffer from painful mouth ulcers (aphthous ulcers) repeatedly — several times a year or almost continuously — your body is signalling something that deserves investigation. Recurrent aphthous stomatitis affects approximately 20% of the global population, but in Nigeria it is among the most undertreated conditions seen in primary care.

Common Root Causes

FXMed tip: If any of this sounds familiar, our Immune Support Programme may be exactly what you need. Book a free assessment to find out where your health stands today.

  • Iron deficiency — the most common nutritional driver; the oral mucosa is exquisitely sensitive to iron status
  • Vitamin B12 deficiency — causes recurrent ulcers, sore tongue, and burning mouth; very common in Nigerians who avoid animal products or have absorption issues
  • Folate deficiency — frequently co-exists with B12 deficiency and drives identical oral manifestations
  • Zinc deficiency — impairs mucosal repair and immune defence
  • Gluten sensitivity or coeliac disease — recurrent mouth ulcers may be the primary presentation of coeliac disease, especially without gut symptoms
  • Behcet's disease — recurrent oral and genital ulcers with eye inflammation; rare but important to recognise
  • Immune dysregulation — HIV and other immunosuppressive states cause persistent oral ulceration

FXMed's Assessment

We run full haematol (see our guide to understanding your blood tests)ogical screen (B12, folate, ferritin, FBC), zinc, anti-TTG antibodies (for coeliac), and HIV testing where indicated. This identifies the driver in the majority of cases, and targeted correction produces rapid resolution of recurrent ulcers.

Stop the Cycle

You don't have to dread every month. Book a consultation with FXMed — we'll find why your mouth keeps ulcerating and resolve it properly.

Ready to take action?

At FXMed, we go beyond symptom management. Our Home Visit Service and Virtual Consultation bring evidence-based functional medicine directly to you, anywhere in Lagos. Our Immune Support Programme is designed specifically to address the root causes discussed in this article.

About the Author

FXMed Team