Interaction reference
GLP-1 receptor agonists with Antibiotics
Most antibiotics have no direct interaction with GLP-1 medications. The practical concern is overlapping GI side effects — both can cause nausea and diarrhea.
You can take a short antibiotic course on a GLP-1 — but expect amplified GI upset, and stay hydrated to protect kidney function.
Also known as: amoxicillin, azithromycin, doxycycline, ciprofloxacin
Per-GLP-1 breakdown
- Wegovysemaglutide 2.4 mgMonitor
Mechanism: GLP-1s slow gastric emptying, which can modestly alter the rate (not extent) of oral antibiotic absorption. The bigger issue is additive GI toxicity and dehydration risk, which can stress the kidneys — relevant because severe GLP-1 GI side effects have been linked to acute kidney injury.
What to do: No need to stop your GLP-1 for a routine antibiotic course. Watch for compounded nausea, vomiting, and diarrhea; aggressive hydration matters because volume depletion on a GLP-1 can cause acute kidney injury. If vomiting is severe, contact your prescriber — antibiotic and GLP-1 absorption both suffer.
- ZepboundtirzepatideMonitor
Mechanism: GLP-1s slow gastric emptying, which can modestly alter the rate (not extent) of oral antibiotic absorption. The bigger issue is additive GI toxicity and dehydration risk, which can stress the kidneys — relevant because severe GLP-1 GI side effects have been linked to acute kidney injury.
What to do: No need to stop your GLP-1 for a routine antibiotic course. Watch for compounded nausea, vomiting, and diarrhea; aggressive hydration matters because volume depletion on a GLP-1 can cause acute kidney injury. If vomiting is severe, contact your prescriber — antibiotic and GLP-1 absorption both suffer.
- OzempicsemaglutideMonitor
Mechanism: GLP-1s slow gastric emptying, which can modestly alter the rate (not extent) of oral antibiotic absorption. The bigger issue is additive GI toxicity and dehydration risk, which can stress the kidneys — relevant because severe GLP-1 GI side effects have been linked to acute kidney injury.
What to do: No need to stop your GLP-1 for a routine antibiotic course. Watch for compounded nausea, vomiting, and diarrhea; aggressive hydration matters because volume depletion on a GLP-1 can cause acute kidney injury. If vomiting is severe, contact your prescriber — antibiotic and GLP-1 absorption both suffer.
- MounjarotirzepatideMonitor
Mechanism: GLP-1s slow gastric emptying, which can modestly alter the rate (not extent) of oral antibiotic absorption. The bigger issue is additive GI toxicity and dehydration risk, which can stress the kidneys — relevant because severe GLP-1 GI side effects have been linked to acute kidney injury.
What to do: No need to stop your GLP-1 for a routine antibiotic course. Watch for compounded nausea, vomiting, and diarrhea; aggressive hydration matters because volume depletion on a GLP-1 can cause acute kidney injury. If vomiting is severe, contact your prescriber — antibiotic and GLP-1 absorption both suffer.
- FoundayoorforglipronMonitor
Mechanism: GLP-1s slow gastric emptying, which can modestly alter the rate (not extent) of oral antibiotic absorption. The bigger issue is additive GI toxicity and dehydration risk, which can stress the kidneys — relevant because severe GLP-1 GI side effects have been linked to acute kidney injury.
What to do: No need to stop your GLP-1 for a routine antibiotic course. Watch for compounded nausea, vomiting, and diarrhea; aggressive hydration matters because volume depletion on a GLP-1 can cause acute kidney injury. If vomiting is severe, contact your prescriber — antibiotic and GLP-1 absorption both suffer.