Probiotics with antibiotics
There is some evidence that taking a probiotic during a course of antibiotics reduces the chance of antibiotic-associated diarrhoea.
Short answer There is some evidence that taking a probiotic during a course of antibiotics reduces the chance of antibiotic-associated diarrhoea. Take it a few hours apart from the antibiotic.
Which ones
Trials most often used Lactobacillus rhamnosus GG and Saccharomyces boulardii.
Who should not
People with weakened immune systems or who are seriously ill should ask their doctor first.
Related pages
- PrebioticsPrebiotics are fibres that feed gut bacteria, such as inulin and fructo-oligosaccharides.
- Fibre supplementsAdults are advised to eat 30g of fibre a day; most manage about 20g.
- Digestive enzymesFor most people digestive enzyme supplements are unnecessary.
- Probiotics for womenProbiotics marketed for women's intimate health contain lactobacillus strains.
Keep exploring
Questions people ask
What should I know about probiotics with antibiotics?
There is some evidence that taking a probiotic during a course of antibiotics reduces the chance of antibiotic-associated diarrhoea.
Can I take this with medication?
Ask a pharmacist or GP first; some supplements interact with medicines.
Do supplements replace a balanced diet?
No. They are meant to add to a varied diet, not stand in for one.
Sources
Checked 9 October 2026.