I've been taking omeprazole for two months because of gastritis and someone recommended that I also use probiotics for my intestinal flora. I want to know if there's any conflict between these two.
The truth is there's no direct conflict between omeprazole and probiotics, but omeprazole does reduce stomach acidity quite a bit and that can affect the effectiveness of some probiotics (especially those that need to make it alive to the intestine). What I would do is take them with at least a 2-hour gap between them, preferably the probiotics away from the omeprazole, and even better if you check with your doctor so they can recommend a probiotic strain that handles low acidity well. In my experience, it's more important that you address the cause of the gastritis than just randomly throwing supplements at it.
I've been taking weird stuff for my stomach for years so I'm speaking from experience here. The short answer is yes, you can combine them, but with some considerations.
What they said above is true: omeprazole reduces acidity quite a bit and that does affect how some probiotics get to your intestines. That said, it's not like a serious conflict where you can't take them together. What I'd do in your place is take the probiotic like two hours after the omeprazole or in the morning if you take the omeprazole at night, just so it has a little more of an advantage. And honestly, look for probiotics that are acid-resistant or that come in enteric-coated capsules, because that does make a difference. A colleague of mine who's a nutritionist always says not all probiotics are the same, so don't just buy the first one you see.
The most important thing is that you talk to your doctor about this specifically, because you've been on omeprazole for two months and they know exactly what's going on in your digestive system. Sometimes gastritis comes from other things and just adding probiotics without fixing the root cause isn't gonna help you much. In 2026 we've got plenty of good options on the market, but every case is different. I personally combine both without any problem, but everyone's stomach is its own thing.
You can combine them without any problem, but there's an important detail. Omeprazole reduces stomach acidity a lot, so some probiotics won't make it alive to your intestines if you take them together or too close. Best thing is to space them out a couple hours, like you take the omeprazole and wait two hours before the probiotics, or the other way around. That way you avoid the stomach environment messing with the good bugs.
What they don't mention is that chronic gastritis often comes from imbalances in your flora, so probiotics can actually do you good in the long run. But here's the thing: not all probiotics are the same. Look for strains that are acid-resistant (even if it's just a little) like Lactobacillus or Bifidobacterium, and better if they're from actual pharmacies than random health food stores. And heads up, after two months on omeprazole you'll have already lost a fair bit of your flora, so it's worth giving it a try.
All that said, ideally you'd tell the doctor who prescribed the omeprazole that you want to try probiotics. He can recommend a brand that works well with your specific treatment. It's not because there's a direct conflict, but because he'll know better than me what kind of probiotics are actually gonna work for your case.
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