Can You Take Clarithromycin with Alcohol?
Last reviewed: · Source: US FDA drug label database
Avoid alcohol with clarithromycin — alcohol impairs your immune response and may worsen nausea and GI side effects.
Is it safe to take Clarithromycin with Alcohol?
Clarithromycin is a macrolide antibiotic used for chest infections, H. pylori eradication, and other bacterial infections. Alcohol does not cause a dangerous direct reaction with clarithromycin, but it impairs immune function, worsens GI side effects (particularly nausea, diarrhoea, and abdominal pain which are common with clarithromycin), and slows recovery from infection.
How do Clarithromycin and Alcohol interact?
Clarithromycin is metabolised by CYP3A4. Alcohol inhibits CYP3A4 acutely, which could theoretically increase clarithromycin levels slightly, but this is not considered a clinically significant concern. The main issue is pharmacodynamic: alcohol impairs immune function and worsens GI side effects.
Data sourced from the US Food and Drug Administration (FDA) drug label database: OpenFDA clarithromycin drug label.
Who should be careful?
Those with GI sensitivity or already experiencing nausea on clarithromycin.
What if I've already taken Clarithromycin and Alcohol?
No immediate medical concern. Complete the antibiotic course and stay well-hydrated.
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Frequently Asked Questions
Can I drink alcohol on clarithromycin?
Best avoided. Alcohol impairs your immune system, worsens common GI side effects of clarithromycin, and counteracts your recovery.
Does clarithromycin interact with alcohol?
There is no severe direct interaction, but alcohol worsens GI side effects and impairs your immune response.
Is clarithromycin safe to take with one drink?
One drink is unlikely to cause serious harm, but given clarithromycin's high rate of GI side effects, alcohol is likely to make you feel worse.
Can I drink on a clarithromycin H. pylori course?
H. pylori eradication courses often include metronidazole, which has a severe alcohol interaction. Check all components of your treatment before drinking anything.