You can, but it is worth pausing while symptoms last: caffeine irritates an inflamed bladder, and the NHS lists coffee, alcohol, and acidic or fizzy drinks as things to avoid during cystitis because they worsen urgency, frequency, and burning. One cup will not undo your recovery, but water is the better choice until you are clear.
Water is the drink that actually helps: dilute urine and a flushed bladder, enough that you never feel thirsty. The taper trick: multi-cup daily drinkers should step down over a couple of days rather than stop cold, since a withdrawal headache on top of a UTI is needless, and decaf is a reasonable ritual-preserving middle ground. Frame the pause correctly: it is comfort, not treatment. The UTI needs its actual treatment, usually a short antibiotic course, plus the safety rule: symptoms not improving within 48 hours of treatment, or any fever or back pain, means call the prescriber back. Once the burning clears, coffee returns without consequences.
What should I drink instead?
Common questions about coffee and UTIs
Does coffee make a UTI worse?
It can feel that way. The NHS lists coffee among the drinks that can irritate your bladder, so during an infection it can sharpen the urgency and burning even though the coffee did not cause the UTI.
Is decaf okay with a UTI?
Better than regular, since caffeine is part of the irritation, but coffee stays acidic either way. If your symptoms flare after a cup, park it until the infection clears.
What should I drink with a UTI instead?
Water, mostly, and plenty of it. NHS self-care for UTIs is explicit: avoid drinks that may irritate your bladder, like fruit juices, coffee, and alcohol.
Can I drink coffee while on UTI antibiotics?
Usually yes in moderation, but read your specific antibiotic leaflet and listen to your bladder. If coffee is making the burning worse, skipping it for the few days of the course is the easy call.
When does a UTI need a doctor?
Fever, pain in your back or side, vomiting, blood in your urine, or symptoms not improving after a couple of days, per the NHS. Those can mean the infection is heading toward the kidneys, which can become serious quickly.