Why Your Reflux Isn’t Healing Even on PPIs

Why It Matters

Because PPIs alone often fail to resolve LPR, incorporating barrier techniques can restore voice function and prevent long‑term tissue damage, reshaping standard reflux management.

Key Takeaways

• Pepsin persists in tissue despite acid suppression by PPIs.
• LPR involves reflux reaching laryngeal tissue, causing voice loss.
• PPIs don’t stop reflux movement; barrier strategies are essential.
• Diaphragmatic breathing and alginate create physical reflux barriers.
• Reducing dietary acidity limits pepsin activation during healing.

Summary

Patients with laryngopharyngeal reflux (LPR) often remain symptomatic despite two years on proton‑pump inhibitors (PPIs). The video explains that while PPIs can lower stomach acid, they do not prevent refluxate from reaching the laryngeal tissue, where the enzyme pepsin continues to cause damage and voice loss.

Research shows pepsin can embed in mucosal cells and reactivate whenever the local pH falls below six. Because PPIs only suppress acid production, they leave the underlying mechanism—upward movement of reflux—untreated. Consequently, patients may experience ongoing inflammation even with “controlled” reflux on medication.

The presenter recommends barrier‑focused strategies: strengthening the lower esophageal sphincter through diaphragmatic breathing after meals, and using an alginate suspension to form a protective coat in the esophagus. Reducing acidic foods further limits pepsin activation, creating a true healing environment.

Adopting these measures shifts treatment from acid suppression to reflux prevention, offering relief for voice professionals and anyone with chronic LPR. It underscores the need for clinicians to address reflux mechanics, not just gastric acidity.

Original Description

A client came to me after two years on a PPI. Her ENT scoped her twice, told her the reflux was controlled, increased her dose. The hoarseness didn't quit.

The piece nobody had talked about was pepsin. And it changed the entire direction of her protocol once we understood it.

Here's what the research actually shows:

Pepsin is taken up directly into laryngeal epithelial cells by receptor-mediated endocytosis — it doesn't just pass through, it embeds in the tissue (Johnston et al., 2010). PPIs reduce acid production. They do not remove pepsin already present in the lining. Pepsin remains stable up to pH 8 and reactivates with anything below pH 6 — well above what acid suppression targets (Johnston et al., 2007). PPIs have not been shown to help the majority of people with extraesophageal reflux — but alginates that physically sieve pepsin have shown benefit (Bardhan et al., 2012).

LPR isn't a less severe GERD. Different mechanism. Different threshold. Different approach.

Here's what I focus on with my LPR clients now:

Alginate-based support after meals and before bed to address pepsin before it contacts throat tissue. A gastric emptying window before lying down to reduce overnight exposure.

Diaphragmatic breathing after meals to support lower esophageal sphincter tone. Barrier-supporting nutrition while tissue recovers.

If your scope was clear and your symptoms didn't stop — you're not failing. The approach is incomplete.

Check the link in bio for my recent interview on this topic with Dr Inna Husain where we discuss these protocols that I walk many of my clients through.

References: Keep Johnston 2007 (PMID 17417109), Keep Bardhan 2012 (PMID 22242022)

#LPR #SilentReflux #AcidReflux #GERD #RefluxDietitian #Pepsin #BarrierOptimization #RegisteredDietitian