Can You Drink Coffee When You’re Sick?

Although coffee in moderation is generally harmless in healthy adults, you may choose to avoid it if you’re sick.

It’s fine to drink coffee if you’re dealing with a mild cold or illness, but more severe illnesses that are accompanied by vomiting or diarrhea can lead to dehydration — and drinking coffee may compound these effects.

However, if you’re a regular coffee drinker, you may be able to continue drinking coffee during a more severe illness with no adverse effects.

You may also want to limit coffee if you notice that it causes or irritates stomach ulcers.

Finally, you should also avoid coffee — or caffeinated coffee, at least — if you’re taking any medications that may interact with caffeine, such as pseudoephedrine or antibiotics.

It’s best to consult a healthcare provider if you have any concerns about drinking coffee while you’re sick.