Patient guide · Procedure prep

Before your upper endoscopy

An upper endoscopy — also called a gastroscopy — lets Dr. Maaz look directly at your food pipe, stomach, and the first part of the small bowel. It's a short, safe procedure, and preparing well makes it quick and comfortable.

What an upper endoscopy is

A thin, flexible tube with a tiny camera is passed gently through your mouth to examine the oesophagus (food pipe), stomach, and duodenum. It helps find the cause of heartburn, difficulty swallowing, indigestion, or bleeding, and allows painless biopsies. It usually takes only 5–15 minutes.

The single most important rule

Your stomach must be empty. Following the fasting instructions carefully keeps the procedure safe and lets Dr. Maaz see everything clearly.

Fasting — the day of your test

  • No food for at least 6 hours before your appointment.
  • Clear fluids (water) may usually be taken up to about 2 hours before — follow the exact timing the clinic gives you.
  • Then nothing at all by mouth until after the procedure.
Confirm your exact timings

The clinic will give you precise fasting times based on your appointment slot. If anything here differs from what you were told, follow the clinic's instructions.

Your medicines

  • Blood thinners may need adjusting — check in advance, especially if biopsies or treatment are planned.
  • Diabetes medicines and insulin usually need adjusting on the day because you'll be fasting.
  • Acid-reducing medicines (PPIs) may sometimes be paused beforehand — you'll be told if this applies.
  • Most other medicines can be taken with a small sip of water unless told otherwise.

On the day

  1. Arrange a responsible adult to take you home if you're having sedation — you can't drive afterwards.
  2. Wear comfortable clothing; remove lipstick and, if asked, dentures beforehand.
  3. Bring your medicine list and any previous reports or scans.
  4. You'll be offered a numbing throat spray (awake) or sedation (relaxed and drowsy). Dr. Maaz will discuss which suits you.
After sedation

For the rest of the day, don't drive, operate machinery, sign important documents, or drink alcohol. Have someone with you at home if possible.

Frequently asked questions

Will I be able to breathe with the tube in?

Yes. The tube goes down the food pipe, not the windpipe, so breathing is unaffected. Your oxygen is monitored throughout.

Does it hurt?

It shouldn't. With throat spray you may feel some pressure; with sedation most people remember little. Relaxing and breathing slowly minimises gagging.

Can I have it without sedation?

Yes — many choose throat spray alone, which means no recovery time and you can drive home. Dr. Maaz will help you decide.

When can I eat afterwards?

Usually about an hour later, once any throat numbness has fully worn off. Start with something soft and cool.

Questions before your endoscopy?

The clinic team is happy to guide you through it.

This guide provides general information only and does not replace personal medical advice. Always follow the specific instructions given to you by Dr. Maaz and the clinic. For emergencies, contact Shifa International Hospital or your nearest emergency department.