TL;DR Use stool antigen or urea breath to test for H. pylori if you’ve got ongoing upper-GI symptoms or ulcer history. Time it right: off PPIs ~14 days and off antibiotics/antidiarrheals ~28 days. If positive, treat and confirm eradication ≥4 weeks after antibiotics.

Added a new section with Gut News and Cool Recs. A quick hit on prebiotic sodas, magnesium, and fermented drinks. Check it out below!

ZebraGut Digest Public Launch

I announced ZebraGut Digest on IG and LinkedIn, a ton of friends and friends-of-friends messaged me with their gut stories. “My wife just got diagnosed with Crohn’s.”, “I’ve had acid reflux for months.” Even coworkers opened up. It’s been great to hear people feel seen and realize they are not alone. You swap notes, steal what works, and everyone gets a little smarter. Someone told me her ENT(ear, nose, and throat doctor) aka otorhinolaryngologist solved her GERD. Wild. You learn something new every day.

One message stood out: sudden reflux out of nowhere. That smells like H. pylori.

This is not medical advice, just my story and what I wish I knew.

Earlier this year, during a routine endoscopy, my biopsy came back positive for Helicobacter pylori.

WTF is H.Pylori?

A spiral-shaped bacteria that irritates the stomach lining. It spreads through contaminated food or water, or close contact with saliva or feces. Yes, we apparently learned nothing after Covid. WASH YOUR HANDS KIDS.

It’s moslty common in developing countries where sanitation lacks rigor. According to the Mayo Clinic, more than half the people in the world may have H. pylori infection at some point in their lives. So if you are reading this, flip a coin, you’ll probably have it at some point. John Hopkins Medicine website says “out of the people who come to the US from developing countries, at elast 50% of Latinos and 50% of people from Eastern Europe have H.pylori.” Yeah, I’d built a wall too. JK, If it was for me, I’d waive the $100k H1B visa fee for those with gut problems.

Many never feel a thing. When symptoms do show up, they are not fun: burning or aching in the upper stomach, bloating, gas, burping, nausea, early fullness, and in some people peptic ulcers. Left untreated, it can raise the risk of stomach cancer. Again, not medical advice. If your reflux or upper-GI symptoms popped up “out of nowhere” and keep going, get tested.

How to test without wasting your time

Use one of these two:

  • Stool antigen test. Accurate, easy, and the same test is used later to confirm you cleared the infection. Some labs and clinics offer at-home collection.

  • Urea breath test. Also very accurate when timed correctly. Usually done through a clinic or lab.

You may see:

  • Endoscopy with biopsy. Useful when you need a scope for other reasons. Not required just to check H. pylori.

  • Blood antibody test. Skip it. It cannot tell current infection from past exposure.

I was diagnosed during an endoscopy and did the urea breath test to validate post-treatment.

The timing trap (how to avoid false negatives)

Medications can suppress the bug and trick the tests.

  • Stop PPIs (omeprazole, esomeprazole, etc.) for about 14 days before testing.

  • Avoid antibiotics and diarhea meds for about 28 days before testing.

  • Ask your clinician if you can use an H2 blocker (famotidine) during the washout. Many people can.

  • If you could not stop a PPI for the first test and it was negative, repeat the test after a proper washout.

Positive? Easy fix.

  • Your doctor will choose an insane amount of pills multi-drug regimen based on your history and local resistance patterns. Take it exactly as prescribed. You will need calendar reminders, alarms, etc. All day will revolve around taking the meds 3-4 times a day.

    • Side note from my own experience: plan for the two most annoying weeks of your year, then celebrate.

      SIUUUU.

Test of cure matters. Repeat a stool antigen or breath test 4 or more weeks after finishing antibiotics, and follow the same med washout rules. Do not skip this step. Treatment failure is a thing.

What this means for reflux

H. pylori is not the main cause of mechanical reflux. It can, however, add “stomach irritation noise” that makes everything worse. If you are still symptomatic afterward, shift focus to the reflux classics: don’t eat >3 hours before bed, lef-side sleep, caffein before noon and with food, walking after your meals, and increasing fiber, etc you know the drill. Apple Cider Vinegar worked well for me. It’s been 7 and a half weeks without PPIs. Yessir!!!

FAQs that aren’t in the post

Can I give H. pylori to family by kissing or sharing utensils?

Yes. It spreads via saliva and fecal–oral routes. Don’t share brushes, cups, or utensils during treatment; hand-washing helps.

Should everyone in my house get tested?

Not automatically. Test household members if they have symptoms or a clinician recommends it.

Do I need to change my toothbrush?

Not required, but easy and harmless. Many people swap it at the end of treatment.

Can I drink alcohol on therapy?

Usually no. Some antibiotics interact with alcohol. Follow your regimen’s instructions.

Can I use Tums during the washout?

Antacids don’t cause false negatives like PPIs can. Often okay, but ask your clinician.

Do probiotics help while on antibiotics?

Optional. Some use S. boulardii or lactobacillus to reduce diarrhea. Not essential—clear it with your clinician.

What if the first treatment fails?

Do a test-of-cure, then your clinician switches to a different combo to avoid resistance.

Is reinfection common?

Less common in many regions. Good hygiene and not sharing utensils lower risk.

Can kids be tested and treated?

Yes—through their pediatrician. Doses and choices differ from adults.

Does diet cure H. pylori?

No. Diet may soothe symptoms, but antibiotics eradicate the infection.

Will treating H. pylori fix anemia or B12 issues?

It can help when H. pylori is contributing. Your clinician may recheck labs after eradication.

Is there a vaccine?

No.Gut News You can Use

Prebiotic sodas got a legal reality check.
Nice soda swap, not medicine. If inulin bloats you, sip slowly.

Magnesium study looked promising.
Interesting signal, not a prescription. Worth watching.

Fermented drinks roundup.
Tasty culture tour. If refluxy, test tiny amounts; fizz and acid can bite.

Gut News and Cool Finds

Prebiotic sodas got a legal reality check

Poppi agreed to set aside $8.9M to settle a lawsuit over “gut healthy” marketing (they deny wrongdoing). Inulin fiber can bother some people; FDA still lists it as GRAS (generally recognized s safe). Translation: a can as a soda swap is fine, but it’s not medicine. Start slow if you bloat easily. Axios

Magnesium study looks promising, but early

A randomized trial from Vanderbilt (AJCN, in press) found magnesium supplements boosted vitamin-D–synthesizing gut bacteria and hinted at lower colorectal cancer risk in some people, especially women and those with certain TRPM7 genes. Cool signal, not a blanket recommendation. American Journal of Clinical Nutrition+1

Embarrashing Gut Q&A

EatingWell published a straightforward guide to awkward gut questions. If you are asking yourself things like “Why do I fart so much?” this is for you. Take a look or send it to the friend that really needs it. Ha!

Instragram recommended follow

Found out about @thatgutgirl through a friend and ZebraGut reader. Great content about recipes, advice when traveling, and common gut health knowledge. She knows a lot because and lived through her own gut health journey. I’m waiting for an intro to hopefully bring her on as a guest. Stay tuned!

AI Meal Tracking App

Found ZOE Health by binge watching @thatgutgirl’s content. Go check the app out if you are into tracking, etc. I haven’t been succesful at tracking meals historically, but will give it a try.

If this helped, hit reply and say “HPY.” Tell me what was useful (or confusing), and what you want me to cover next.

P.S. Know someone who can benefit from learning more about gut health? Please forward them the newsletter.

Small Parting Advice

Left-side sleeping is linked with less nighttime acid exposure. Make sure your spouse doesn’t mind.