420: Why Did A Probiotic Make My Eczema Worse? (Same Goes for Psoriasis and Other Flare Ups)

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Can probiotics for eczema or psoriasis actually make your skin worse?

That's exactly what happened to Georgia.

She thought she was doing everything right. She cleaned up her diet, worked on her gut, managed her stress, and committed to finding the root causes behind her psoriasis instead of simply managing symptoms. Then her practitioner recommended adding a probiotic.

Within days, her skin exploded.

Like many people, Georgia was told it was simply “die-off.” She just needed to push through because her body was supposedly detoxing. But what if that explanation isn't actually true?

Over the years, I've seen this situation more times than I'd like. While probiotics can absolutely be helpful in the right circumstances, they're not a cure-all for every gut problem.

Sometimes, a worsening rash or digestive symptoms after starting a probiotic aren't signs that healing is happening. It's your body's way of waving a giant red flag that there's a deeper imbalance brewing beneath the surface.

And this reaction isn’t specific to just eczema and psoriasis…

I’ve seen this happen in cases of chronic hives, rosacea, perioral dermatitis, dandruff, dermatographia, topical steroid withdrawal, and even hidradenitis suppurativa.

That's what we're unpacking in this episode. You'll learn why probiotics for eczema don't always deliver the results people expect, what a probiotic reaction may actually be telling you, and the first steps I recommend before reaching for another bottle of supplements. Most importantly, you'll discover why addressing your unique root causes is far more important than following generic gut health advice.

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In This Episode:

• Why probiotics for eczema don't always help your skin (and why they can sometimes make your symptoms worse)
• The truth about “die-off” reactions and why they may signal a deeper gut imbalance
• Why probiotics aren't a one-size-fits-all solution for gut health
• How gut imbalances and overgrowth can change the way your body responds to probiotics
• The great disappointment that is current probiotic research (I was really shocked by this)
• Why some people with SIBO feel worse after taking probiotics
• Do THIS before reaching for another probiotic
• Why improving your gut doesn't always mean your skin will heal at the same pace
• The first steps to take if a probiotic leaves you with worse skin or digestive symptoms instead of relief

Quotes

“Having a reaction to a probiotic does not mean that you're experiencing die-off.”

“Gut problems, depending on the scope and the size and the severity, may not be fixable with just a probiotic alone. It's sort of like bringing a bucket of water to a five alarm house fire.”

Links

GET HELP! Schedule a Skin Repair Call to work with my virtual clinic

FREE GUIDE: Use my Skin Rash Root Cause Finder to figure out YOUR root cause!

Healthy Skin Show ep. 280: Low Stomach Acid + Chronic Skin Rash Issues

Healthy Skin Show ep. 213: Stool Testing Do’s + Don’t’s For Skin Rashes

Healthy Skin Show ep. 181: Fascinating Research On Staph Infections + Probiotics (PART 1) w/ Kiran Krishnan

Probiotics for treating eczema (Cochran Review)

Pathogen elimination by probiotic Bacillus via signalling interference

The probiotic that kills antibiotic-resistant bacteria

 

420: Why Did A Probiotic Make My Eczema Worse? (Same Goes for Psoriasis and Other Flare Ups) {FULL TRANSCRIPT}

One of the biggest misconceptions I hear is that probiotics are the answer to virtually every gut issue.

Struggling with bloating? Take a probiotic.

Have eczema? Take a probiotic.

Trying to improve your skin? Take a probiotic.

While probiotics certainly have their place, they've also become one of the most overgeneralized recommendations in both conventional and functional medicine. The truth is, they're just one tool in a much larger toolbox.

Think about it this way: If your house were on fire, would you try putting it out with a single bucket of water?

Probably not.

That's exactly how I think about many chronic gut problems.

When someone has significant gut dysbiosis, bacterial overgrowth, impaired digestion, or multiple underlying root causes contributing to inflammation, adding a probiotic alone is often like bringing a bucket of water to a five-alarm fire. It simply doesn't have the capacity to solve a much larger problem.

That doesn't mean probiotics are ineffective.

It means your expectations need to match the situation.

One of the reasons this misconception persists is that probiotics are often marketed as universally beneficial. They seem simple, relatively inexpensive, and easy to add to your routine. It's understandable why so many people reach for them first.

But healing rarely works that way.

Your gut is an incredibly complex ecosystem. Different bacteria perform different jobs. The balance between those organisms matters just as much as the individual strains themselves. On top of that, digestion, immune function, stress, nutrient status, hormone health, medications, and even sleep all influence how your gut functions.

When one or more of those systems is significantly out of balance, simply adding more bacteria isn't always the solution.

Sometimes it helps. Sometimes it changes very little.

And sometimes, it actually makes you feel worse.

When that happens, I don't immediately assume the probiotic is “working.”

Instead, I start asking a much more important question:

What is this reaction trying to tell us?

 

A Reaction To Probiotics Doesn't Always Mean “Die-Off”

This is where I think many people receive advice that unintentionally keeps them stuck.

If you've ever experienced worsening eczema, psoriasis, itching, bloating, gas, or digestive symptoms after starting a probiotic, there's a good chance someone will say:

“That's just die-off.”

The idea is that harmful bacteria are dying, toxins are being released, and you simply need to push through until things improve.

Sometimes that explanation may fit.

But in my clinical experience, I don't think it should be the default assumption. Instead, I see these reactions as valuable clues. Your body is communicating that something deeper may be happening inside your gastrointestinal tract.

For example, certain people react very strongly to spore-based probiotics. Rather than assuming that's a positive sign, I become curious about what's happening in their gut microbiome.

Is there significant dysbiosis? Could there be bacterial overgrowth? Is the digestive system already under a tremendous amount of stress?

Those are the questions worth asking because the answers change the treatment plan entirely.

One of the biggest shifts I hope you'll take away from this article is this: A reaction to a probiotic isn't necessarily the problem itself. It's often a clue pointing toward the real problem.

And once you start viewing your symptoms as information instead of inconvenience, you can begin asking much better questions about what's actually driving your skin and gut issues.

 

What the Research Says About Probiotics (And What I've Seen in Practice)

One of the things I love most about functional medicine is that practitioners are constantly looking at new research. We're always asking, “Is there something new that could help our clients?”

That's exactly how I approach new probiotic studies.

When promising research comes out, I'm excited to see whether it can improve outcomes for the people I work with. But over the years, I've learned something that's incredibly important:

A published study is the beginning of the conversation—not the end.

Research gives us ideas. It helps us ask better questions. But it doesn't guarantee that every person sitting in front of us will respond the same way as the participants in a clinical trial.

That's why I always try to balance research with clinical experience.

For example, there have been studies looking at specific probiotic strains and their ability to improve skin conditions like eczema. One large review found that probiotics generally showed little to no meaningful improvement in eczema symptoms across the studies that were analyzed. That doesn't mean probiotics never help—it simply reminds us that they're not a guaranteed solution for every person with chronic skin issues.

I've also talked previously on The Healthy Skin Show about research involving Bacillus subtilis, a spore-forming probiotic that showed promising results for reducing Staphylococcus aureus colonization in the gut. On paper, the findings were exciting.

Naturally, my team and I wanted to see whether we could replicate those outcomes with our own clients.

So we did.

Again.

And again.

And again.

But here's what surprised us.

Even when we followed the published protocol, we rarely saw the same improvements that were reported in the research. Some clients noticed little change. While others experienced no meaningful improvement in either their gut symptoms or their skin.

That doesn't mean the research was wrong. Far from it!

It simply reinforced something I've learned after years of working with people who have chronic skin conditions:

Real people are far more complex than research studies can capture.

Every person brings a different health history, microbiome, medication history, stress load, diet, hormone picture, nutrient status, and immune response to the table. Those variables matter. Research helps point us in promising directions, but clinical practice reminds us that healing is rarely one-size-fits-all.

That's why I'm always cautious when someone says,

“This probiotic fixed eczema.”

Or…

“Everyone with psoriasis should take this strain.”

Those recommendations ignore the single most important question: Why is your skin reacting in the first place?

Because if we don't answer that question, we're simply hoping the right supplement will accidentally solve the problem.

 

When Probiotics Can Actually Make Things Worse

One situation where probiotics can backfire is when someone has an underlying bacterial overgrowth.

A great example is small intestinal bacterial overgrowth (SIBO).

Despite often being lumped together with IBS, SIBO is a very different problem.

Instead of having bacteria primarily where they belong—in the large intestine—people with SIBO have excessive bacteria growing in the small intestine. That creates an environment where digestion becomes disrupted, food ferments more easily, and symptoms like bloating, abdominal discomfort, diarrhea, constipation, or alternating bowel habits become increasingly common.

Now imagine adding even more bacteria into that environment through a probiotic.

For some people, that's like pouring gasoline on a fire. Not because probiotics are “bad.” But because the gut environment isn't ready for them yet.

This is exactly what happened with one of my clients. We'll call her Agnes.

Agnes was a busy mom navigating perimenopause while dealing with digestive symptoms that seemed to be getting worse every month. Some days she struggled with constipation. Other days it was diarrhea. Gas had become a daily occurrence, and although she wasn't particularly bloated at first, she started noticing significant bloating after beginning a probiotic she'd purchased because she'd read online how good probiotics were for gut health.

Instead of helping, everything spiraled. Her digestion became even more unpredictable. The bloating became uncomfortable. She felt discouraged because she'd tried to do something healthy and instead felt worse than ever.

Like so many people, she wondered if maybe she was just broken.

She wasn't.

Once we began working together, we discovered that her symptoms weren't random at all. She had small intestinal bacterial overgrowth (SIBO), along with several underlying factors that had allowed it to develop in the first place.

The probiotic wasn't the root cause. It simply exposed a problem that had been there all along.

That's an important distinction.

When your symptoms worsen after starting a probiotic, it doesn't necessarily mean the probiotic created the problem. Sometimes it simply shines a spotlight on a gut environment that needs a completely different approach.

 

Where I Recommend Starting Before Probiotics

If you've reacted poorly to a probiotic, my advice isn't to swear them off forever.

It's to pause.

A probiotic reaction is information. It's your body's way of telling you that there's likely more going on beneath the surface than adding another supplement can fix.

That's why I almost never start by asking, “Which probiotic should we try next?”

Instead, I ask different questions:

• How well are you digesting your food?
• Are you actually breaking your meals down well enough to absorb the nutrients your gut and skin need to heal?
• Could bacterial overgrowth, dysbiosis, or another imbalance be driving the symptoms?

Those answers matter far more than choosing another probiotic strain.

That's also why one of the first things I often recommend is supporting digestion.

Digestive enzymes can help your body do what it was designed to do—break food down more efficiently and reduce some of the burden placed on an already stressed digestive system.

But with one caveat… without Betaine HCl.

I talk more about that here — and that’s why Digest Aid has been so helpful for clients.

Depending on the person, additional support such as targeted nutrients (Ultra Skin Support Multi), gut toxin binders (HistaGut Relief IgG), and liver detox support (P2 Detox Balance) may also be appropriate.

Notice what I didn't say:

I didn't say everyone needs digestive enzymes.

Or that everyone needs a binder.

Or that everyone needs the exact same protocol.

Because they don't. Your body deserves more than a one-size-fits-all approach.

 

What If Your Gut Improves…But Your Skin Doesn't?

One thing that surprises many people is that gut symptoms and skin symptoms don't always improve at the same pace.

I've seen clients whose digestion improved significantly, yet their eczema or psoriasis lingered.

That doesn't mean the gut work failed. It simply tells me there's still another piece of the puzzle. Maybe there's an immune trigger that hasn't been addressed. Maybe hormones are playing a role. Maybe there's another underlying root cause that isn't creating digestive symptoms but is still driving inflammation in the skin.

This is one of the reasons I encourage people not to stop investigating just because one symptom improves.

Healing isn't always linear…sometimes, solving one problem simply uncovers the next clue.

 

When Probiotics Backfire: The Bigger Lesson

If there's one thing I hope you take away from this article, it's this: Your symptoms are information.

They're not your enemy.

They're not evidence that your body is broken.

And they're certainly not something to ignore simply because someone tells you it's “just die-off.”

One of the biggest mistakes I see is people trying harder instead of asking better questions. They add another probiotic. Another supplement. Another protocol. Another elimination diet.

Instead, stop and ask, “What is my body trying to tell me?”

That question changes everything.

Because once you begin looking for the root cause instead of chasing symptoms, your healing journey becomes much more intentional.

And that's exactly how I approach every client I work with.

 

Ready to Discover Your Root Cause?

If this has you wondering whether your gut is sending you clues you've been missing, you're not alone.

The good news is that you don't have to keep guessing.

I created my Skin Rash Root Cause Finder Guide to help you identify the patterns that may be contributing to chronic skin issues like eczema, psoriasis, hives, rosacea, and more.

It's designed to help you start asking the right questions so you can spend less time chasing symptoms and more time addressing the factors that actually matter.

And if you'd like to learn more about why probiotics sometimes backfire—and what I recommend instead—be sure to listen to the full episode of The Healthy Skin Show.

 

Frequently Asked Questions About Probiotics for Eczema

Can probiotics for eczema make your skin worse?

Yes, they can—for some people. While probiotics can be beneficial in certain situations, they aren't appropriate for everyone. If your eczema, psoriasis, or other skin symptoms worsen after starting a probiotic, it may indicate an underlying gut imbalance such as dysbiosis or bacterial overgrowth that needs further investigation rather than simply adding more probiotics.

Is a probiotic flare-up always “die-off”?

Not necessarily.

Many people are told that worsening symptoms are caused by “die-off,” but that's not the only explanation. In my clinical experience, a probiotic reaction can sometimes be a clue that your gut microbiome is significantly out of balance or that another digestive issue needs to be addressed first.

Why would probiotics make eczema worse?

Probiotics introduce new bacteria into your digestive tract. If your gut already has significant dysbiosis, bacterial overgrowth, or other underlying issues, adding more bacteria may temporarily worsen symptoms instead of improving them. Rather than assuming this is normal, it's worth exploring what your body may be trying to tell you.

Should I stop taking probiotics if my eczema flares?

It depends on your individual situation.

If your symptoms worsen significantly after starting a probiotic, don't assume you should simply push through. Work with a qualified healthcare practitioner who can help determine whether the reaction points to an underlying gut issue that needs to be addressed before continuing probiotic supplementation.

Are probiotics good for psoriasis?

Some people with psoriasis may benefit from probiotics, while others may not notice much improvement. Research on probiotics for chronic inflammatory skin conditions has shown mixed results, and success often depends on the underlying drivers of the disease rather than the probiotic alone.

Can SIBO make probiotics harder to tolerate?

Yes.

People with Small Intestinal Bacterial Overgrowth (SIBO) often find that certain probiotics increase bloating, gas, abdominal discomfort, or changes in bowel habits. That's because bacteria are already overgrowing in the small intestine, and adding more bacteria isn't always the right first step.

What should I do before trying another probiotic?

Instead of immediately switching to a different probiotic, consider asking why your body reacted in the first place. Supporting digestion, identifying nutrient deficiencies, evaluating possible bacterial overgrowth, and uncovering your unique root causes are often more productive first steps.

Can fixing my gut improve my eczema?

Improving gut health can absolutely support healthier skin, but it isn't always the whole story. Some people notice their digestive symptoms improve before their skin does. If your gut feels better but your eczema persists, it may indicate that additional root causes (such as immune, hormonal, or environmental factors) still need to be addressed.

How do I know if probiotics are right for me?

There isn't a one-size-fits-all answer.

The best approach is to understand what's driving your symptoms first. Once you know your root causes, you can determine whether probiotics are an appropriate tool…or whether another strategy makes more sense.