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Yes, for routine visits coffee is usually fine; skip coffee before fasting labs, pharmacologic stress tests, and visits that use anesthesia.

No, skip coffee before the one-hour glucose screen; drink water instead unless your clinic gives different instructions.

Yes, black coffee is usually fine before a PSA blood test, but avoid ejaculation and hard cycling for 24–48 hours and skip add-ins if fasting applies.

No, skip coffee on surgery day for rhinoplasty; if your team allows clear liquids, only small black coffee without milk up to 2 hours.

Yes, if you’re only getting local numbing, small sips of plain coffee may be fine; with IV sedation or general anesthesia, avoid coffee completely.

Yes—if your scan isn’t a cardiac stress or special study, small black coffee is usually fine, but follow your facility’s exact prep.

Yes, you can drink coffee before a COVID-19 vaccine; keep it light and avoid new or very strong drinks on the day.

No, caffeinated coffee before an EEG is discouraged because caffeine can alter brain waves and make the recording less reliable.

Yes, for most routine MRI scans coffee is fine, but avoid caffeine for 24 hours before stress cardiac MRI and follow your imaging center’s instructions.

No; skip coffee before sedation, but a small plain cup is fine before routine care unless you’re whitening that day.