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FOR IMMEDIATE RELEASE
Orthomolecular Medicine News Service, July 21, 2025

Erasing 25 Years of Nail Fungus with Low-Dose Hydrogen Peroxide: A Case Study

By Mary Ayettey-Adamafio, DDS; Hannah Ayettey, MD; Hector Addo, MD; Ruth Ayettey Brew, MD; Emmanuel A. Tagoe, PhD; Charles Hayfron-Benjamin, MD, PhD; Albert Amoah, MD, PhD; Seth Ayettey, MD, PhD*
*Corresponding Author: Prof. Seth Ayettey (seth.ayettey@gmail.com)


🔑 Key Takeaways

  • ✅ An 80-year-old woman with 25 years of fingernail onychomycosis experienced complete fungal elimination after 3 months of oral food-grade hydrogen peroxide (FGHP) therapy.
  • 🧪 Regimen: 0.5% FGHP (1 month) → 1% (1 month) → 0.5% (1 month), taken three times daily on an empty stomach.
  • 🔍 Histopathology confirmed fungal hyphae in the shed nails.
  • ✋ All infected nails detached. No regrowth was observed-likely due to fungal destruction of the nail matrix.
  • 😌 No major adverse effects reported: only mild itching and constipation, both transient.
  • 💊 Previous antifungal treatments (itraconazole, griseofulvin, topical agents) completely failed over many years.
  • 💡 Suggests low-dose FGHP is a safe, effective, and affordable therapy deserving urgent further study.

🦠 Background: Why This Matters

Chronic fungal nail infections (onychomycosis) are notoriously hard to treat. They can cause embarrassment, social withdrawal, and physical discomfort-especially in elderly patients. Conventional treatments often fail, especially when the infection penetrates deep into the nail matrix where antifungals cannot reach.

Hydrogen peroxide (H₂O₂), a natural disinfectant made by our immune cells, has long been used topically for wounds and dental care. Less known is its use in oral or intravenous bio-oxidative medicine, where it acts selectively against pathogens and tumor cells via Fenton chemistry-generating hydroxyl radicals that damage iron-rich microbial cells while sparing healthy ones.

This case study shows that very low concentrations of oral food-grade hydrogen peroxide may succeed where conventional antifungals fail-eliminating long-standing nail fungus with minimal side effects.


👵 The Case: 25 Years of Resistance

In 2000, an 80-year-old Ghanaian woman developed fungal infection in her right middle finger. Over 5 years, it spread to all 10 fingernails. She underwent a long list of treatments:

  • Oral itraconazole (pulsed)
  • Oral griseofulvin (6 weeks)
  • Topical miconazole (years)

None worked. Her nails remained dark, brittle, thickened, and socially stigmatizing (Figure 1). In January 2023, with informed consent, she agreed to try an experimental course of oral FGHP.


💊 The Protocol: Simple, Low-Dose, Structured

Month FGHP Concentration Dose Frequency
1 0.5% 40 mL 3x/day
2 1% 40 mL 3x/day
3 0.5% 40 mL 3x/day

Instructions:

  • Taken on an empty stomach (4 hours after meals; 1 hour before meals).
  • No snacks between meals; water allowed.
  • Weekly follow-up by phone for safety monitoring.

📈 Results: Fungus Gone, Nails Shed

  • 3 weeks in: Color started lightening.
  • 5 weeks in: Nails loosened; edema around nail beds reduced.
  • 3 months in: All 10 fingernails detached painlessly (Figure 2).
  • Histology: Confirmed presence of fungal hyphae in detached nails.
  • No new nail growth was observed-likely due to fungal destruction of the germinal matrix.
  • A second 3-month cycle was performed, but no regrowth occurred even after 18 months (Figure 3).

⚠️ Adverse Effects

  • Itching at 3 nails' root area one month post-therapy → resolved with second FGHP course.
  • Mild constipation during 1% FGHP phase → self-resolved.
  • No serious adverse effects noted over 6 months of treatment or 18 months of follow-up.

🧬 Why Does Hydrogen Peroxide Work?

Hydrogen peroxide generates hydroxyl radicals via the Fenton reaction, targeting pathogens and tumor cells with elevated iron content. Unlike healthy cells-which are protected by catalase and peroxidase enzymes-fungi are highly vulnerable.

This selectivity makes FGHP:

  • Tissue-sparing
  • Antifungal
  • Low-cost
  • Low-risk at dilute concentrations

Critics cite risks of oxidative stress or toxicity, but those typically involve high concentrations (3-35%) used in teeth whitening, not oral doses under 1%. In this case, the treatment was non-toxic, safe, and effective.


🌍 Bigger Picture

If validated in larger studies, low-dose oral FGHP could:

  • Provide a breakthrough for treatment-resistant onychomycosis
  • Offer a cost-effective option for patients in low-resource settings
  • Reignite interest in bio-oxidative therapies as safe adjuncts to conventional medicine

It also raises important hypotheses about fungal pathogenesis:

  • Could chronic nail fungus originate from oral microbiota?
  • Are these infections sustained by biofilm-protected reservoirs unreachable by standard drugs?

These questions merit deeper exploration.


🧪 Conclusion

This case shows that orally ingested 0.5-1% FGHP:

  • Can eliminate long-term fungal infections
  • Is well tolerated and affordable
  • May outperform conventional antifungal agents in chronic cases

We call for controlled clinical trials to evaluate efficacy and safety in a broader population-and to explore even lower concentrations that may retain efficacy while minimizing risks.


🧠 About the Authors

Prof. Seth Ayettey, MD, PhD is a senior anatomist and medical researcher at the University of Ghana Medical School. He and his co-authors represent a multidisciplinary clinical team spanning dermatology, internal medicine, dentistry, radiotherapy, and physiology. This case study was conducted at Korle Bu Teaching Hospital, Ghana's leading tertiary medical center.


📝 Acknowledgments

We thank Dr. Joseph D. Awotwi, Mr. Reindorf Perbi, and Dr. Joseph Canacoo for supplying FGHP, and Mrs. Cecilia Ayettey for assistance with dilutions.

Dedicated to Prof. Felix Konotey-Ahulu, whose vision inspired this work.


📸 Appendix: Figures


📎 Supplementary Full Report (PDF Download)

For the complete technical report with full references, detailed methods, discussion on Fenton chemistry, and original citations:

📄 [Download Full Case Report PDF]

Or contact the corresponding author: Prof. Seth Ayettey at seth.ayettey@gmail.com



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Editorial Review Board:

Jennifer L. Aliano, M.S., L.Ac., C.C.N. (USA)
Albert G. B. Amoa, MB.Ch.B, Ph.D. (Ghana)
Seth Ayettey, M.B., Ch.B., Ph.D. (Ghana)
Ilyès Baghli, M.D. (Algeria)
Greg Beattie, Author (Australia)
Barry Breger, M.D. (Canada)
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