General guidance from Dr Chia Chung King, gastroenterologist. If your clinic has given you different instructions, follow those. More about the procedure: gastroscopy.
Name
Procedure date
Arrival time
Place
Stop eating from
Sips of water until
When the gastroscopy is booked
- Tell the clinic if you take blood thinners, diabetes medicines or insulin. Some need to be adjusted or paused. Do not stop a blood thinner on your own.
- Tell the clinic about allergies, and about heart, lung or kidney conditions.
- Arrange for an adult to take you home after the procedure.
On the day
- No food for about 6 hours before the procedure.
- Small sips of plain water are usually allowed until 2 hours before.
- Take your usual medicines only as the clinic has advised.
- Wear comfortable clothes, and leave jewellery and valuables at home.
- Bring your NRIC, insurance card, medicine list and any earlier reports.
After the procedure
- Do not drive, operate machinery or sign important documents for the rest of the day.
- A mild sore throat or bloating is common and settles within a day.
- You can usually eat once the numbness in your throat has worn off.
Seek medical attention promptly for severe pain, fever, vomiting blood or black stools after the procedure.
Clinic contacts. Mount Elizabeth Novena +65 6734 3435 · Mount Alvernia +65 6258 0508 · WhatsApp +65 8223 5134
General information only. Reviewed by Dr Chia Chung King, 2026-11-07. Book a consultation.