Is it okay to drink tea while taking antibiotics?

Can You Drink Tea While on Antibiotics?

If you're taking certain antibiotics—particularly quinolones, such as ciprofloxacin or levofloxacin—you might want to think twice before reaching for that cup of black tea. These antibiotics can interfere with how your body processes caffeine, a natural stimulant found in tea, coffee, and some other beverages.

Here's why it matters: Normally, your liver breaks down caffeine and clears it from your system. But quinolone antibiotics can slow this process, leading to higher levels of caffeine circulating in your body for longer than usual. The result? An increased risk of side effects like jitteriness, headaches, insomnia, and a racing heart.

While not everyone will experience these effects, sensitivity varies from person to person. If you're a regular tea drinker, you might not notice much with occasional use—but combining strong black tea with these antibiotics regularly could amplify discomfort.

It's not just black tea you should be cautious about. Green tea and other caffeinated beverages may also contribute to the same issues, though typically to a lesser extent due to lower caffeine content. Herbal teas, on the other hand, usually contain no caffeine and are generally safer—but always check for interactions, especially if the tea contains active plant compounds.

The safest approach? Discuss your usual tea habits with your doctor or pharmacist when prescribed antibiotics. They can advise whether a temporary break from caffeine is wise. In many cases, spacing out your tea and medication by a few hours may reduce the risk, though it's not always a guaranteed fix.

Ultimately, a short pause on your afternoon tea habit might be a small trade-off for avoiding unnecessary side effects while your body fights off infection.