Can You Take Probiotics with Amoxicillin?
Yes, you can take probiotics with amoxicillin, and it's often recommended to help counteract antibiotic-related gut issues like diarrhea. Amoxicillin disrupts beneficial gut bacteria, but probiotics may restore balance without reducing the antibiotic's effectiveness.[1][2]
How Long to Wait Between Doses
Space them out by at least 2 hours—take amoxicillin first, then probiotics later. This minimizes any potential interference, as antibiotics can kill live probiotic bacteria if taken too closely together.[2][3]
Best Probiotic Strains for Amoxicillin Users
Look for strains like Lactobacillus rhamnosus GG (LGG), Saccharomyces boulardii, or Bifidobacterium species. These survive antibiotics better and reduce diarrhea risk by 50-60% in studies.[1][4] Saccharomyces boulardii is yeast-based, so amoxicillin won't affect it as much.
Does It Prevent Antibiotic-Associated Diarrhea?
Probiotics cut the risk of diarrhea from amoxicillin by about half, per meta-analyses of clinical trials. Start them on day 1 of antibiotics and continue for 1-4 weeks after finishing.[1][4] Not all probiotics work equally; generic ones may underperform.
Potential Risks or Interactions
Rare side effects include mild bloating or gas. People with weakened immune systems should check with a doctor, as live probiotics carry a small infection risk. No major interactions with amoxicillin reported.[2][3] Avoid if allergic to probiotic ingredients.
When to Talk to a Doctor
Consult a pharmacist or doctor before starting, especially if pregnant, breastfeeding, or on other meds. They can recommend specific products based on your dose and health.[3]
Top Probiotic Options and Where to Buy