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Yes, coffee before a stool sample is usually fine, but keep it plain and follow the exact kit or lab rules.

Yes—small amounts well ahead of nitrous oxide may be fine, but many dentists prefer no caffeine the day of your dental procedure.

No, coffee right before a lash appointment can trigger eye twitches and reduce retention of the extensions.

No. Coffee with milk is off limits; plain black coffee may be allowed only up to 2–4 hours before a gastroscopy, per local fasting instructions.

Yes, coffee during pregnancy is fine in moderation, but skip caffeine for several hours before the anatomy ultrasound and follow your clinic’s prep.

Yes—black coffee is usually fine before a urine test for UTI, but avoid creamers and heavy fluids so the sample isn’t diluted.

No, pre-filler coffee isn’t advised; most providers ask you to skip caffeine for 24–48 hours to lower bruising and swelling.

No, skip coffee before an InBody body scan to keep hydration stable and make back-to-back results comparable.

Yes—coffee before an IUD visit is okay for most people; keep it modest, eat a snack, and skip it if caffeine worsens cramps or jitters.

Yes, coffee before a marathon can help performance when timed 30–60 minutes prior and kept to a sensible caffeine dose for your body mass.