Procedure prep

Fasting Before Prostate Surgery

A radical prostatectomy removes the prostate gland, most often by keyhole robotic surgery. It's done under general anesthesia with you tilted steeply head-down, so careful fasting and medication planning matter.

Medically reviewed by Dr. Saurabh Shukla, MBBS, DNB Anesthesiology · Last updated June 2026

Fasting for this procedure

Standard fasting applies: stop solid food about 8 hours before and clear liquids about 2 hours before your arrival time. If your team gives you a small enema or bowel-prep and a carbohydrate drink, follow those exact instructions — they don't replace the fasting rules.

→ Get your exact fasting times with the calculator

Medicines to check

  • Blood thinners and antiplatelets (aspirin, clopidogrel, warfarin, Eliquis, Xarelto) — timing is important because of bleeding and clot risk; get a clear stop/restart plan. See medications to stop.
  • Diabetes medicines & insulin — need a plan. See diabetes tablets.
  • Blood pressure medicines — confirm which to take with a sip of water.

When this surgery may be delayed

  • Fever, a new cough/cold, or a chest infection
  • Vomiting or diarrhea
  • Very high blood pressure or blood sugar
  • You ate or drank outside your fasting window
  • A new urine infection
  • Blood thinners not stopped on the right schedule

Reports & documents to carry

  • Photo ID and insurance card
  • A written list of all your medicines and doses
  • Any blood tests, ECG, or scans your team asked for
  • Consent forms or referral letters, and allergy details
  • Your prostate biopsy, MRI and PSA results
  • An overnight bag (many men stay one night)

What to ask your anesthesia team

  • Will I have general anesthesia, spinal/regional, or sedation?
  • Which medicines do I take or hold on the morning of surgery?
  • When can I eat and drink afterward?
  • Will I go home the same day, and who can drive me?
  • When exactly do I stop and restart my blood thinner?
  • How long will I have a urinary catheter afterward?
  • Will I be tilted head-down, and is that a problem for me?

Your prep checklist

Tick things off as you sort them — saved on this device only, nothing is sent anywhere.

A general guide — your hospital's own instructions always come first.

Frequently asked questions

Is prostate removal done under general anesthesia?

Yes — robotic and open prostatectomy are done under general anesthesia, so you must fast: solids about 8 hours before and clear liquids about 2 hours before your arrival time.

Why am I tilted head-down during robotic prostate surgery?

The steep head-down position lets the surgeon reach the prostate in the pelvis. Your anesthesia team manages your breathing and pressures while you're in this position — tell them if you have glaucoma or severe reflux, which they'll take into account.

Will I go home with a catheter after prostate surgery?

Usually yes. A urinary catheter stays in for about 1–2 weeks to let the area heal, and it's removed at a follow-up visit. Your team will show you how to manage it at home.

Calculate your exact fasting window Now get the precise times to stop eating & drinking before your surgery.