GLP-1 receptor agonist
Semaglutide with antibiotics: interactions and safety
Antibiotic courses are common, short-term and often combined with chronic medications such as Semaglutide (Semaglutide). Most antibiotics do not interfere meaningfully with Semaglutide at 0.25mg, 0.5mg, 1mg, 2mg, 1.7mg, 2.4mg, but a few classes do, and a small number of combinations are best avoided.
Common antibiotic interactions
Macrolides (clarithromycin, erythromycin) and certain antifungals can inhibit hepatic metabolism (CYP3A4) and raise plasma levels of many medications including some GLP-1 receptor agonist agents. Rifampicin has the opposite effect, accelerating metabolism. Most penicillins, cephalosporins, fluoroquinolones and tetracyclines have no clinically meaningful interaction with Semaglutide at 0.25mg, 0.5mg, 1mg, 2mg, 1.7mg, 2.4mg.
Practical guidance
According to the prescribing information for Semaglutide, an antibiotic course should be reviewed by the prescriber or pharmacist for known interactions before Semaglutide is co-administered. Adjusted 0.25mg, 0.5mg, 1mg, 2mg, 1.7mg, 2.4mg dosing or temporary substitution is sometimes preferred for the duration of the antibiotic course.
Frequently asked questions
Can I take Semaglutide during an antibiotic course? ▾
For most common antibiotics, yes. A few classes — notably macrolides and azole antifungals — alter how Semaglutide is metabolised and may need a temporary 0.25mg, 0.5mg, 1mg, 2mg, 1.7mg, 2.4mg adjustment. The prescribing pharmacist should review any new antibiotic against the existing Semaglutide regimen.
Will antibiotics make Semaglutide stop working? ▾
Most antibiotics do not affect Semaglutide efficacy. Rifampicin and a few others can lower Semaglutide levels and reduce effect; in those cases the prescriber may adjust the dose during and shortly after the antibiotic course.
Products containing Semaglutide
More on Semaglutide
- With alcoholSemaglutide and alcohol — is it safe to drink?
- With foodShould Semaglutide be taken with food?
- Side effectsSemaglutide side effects: common, rare and warning signs
- Dosage guideSemaglutide dosage guide: how much to take and when
- OnsetHow fast does Semaglutide start working?
- DurationHow long does Semaglutide last?
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