Chills after a colonoscopy

Short answer
Chills after colonoscopy warrant prompt contact with the procedure team, especially with fever, worsening pain, bleeding, weakness, or breathing difficulty.
This answers one question. It is not a diagnosis and does not replace an assessment by a licensed doctor.
At a glance
- First action
- Contact the procedure team promptly and report associated symptoms
- Useful check
- Measure temperature if possible
- Emergency signs
- Breathing trouble, fainting, confusion, or severe bleeding
The short answer
Feeling cold briefly can occur while recovering from sedation or a cool clinical environment. Repeated shaking chills or chills alongside other symptoms need assessment because infection, a reaction to medicine, dehydration, bleeding, or a bowel injury may require treatment.
Possible explanations and useful checks
Check the person's temperature if a thermometer is available, and notice whether the chills settle with normal warming. Consider when they began, whether a polyp was removed, and whether there is abdominal pain, swelling, vomiting, dizziness, rash, or unusual bleeding.
Chills do not by themselves show which problem is present. The endoscopy team can interpret them alongside the procedure details, medicines given, vital signs, and other symptoms. Chills after the test do not indicate whether bowel cancer is present; biopsy or polyp results address that separate question.
What to do now
Call the number on the discharge instructions and describe the chills, temperature, pain, bleeding, and ability to drink. Follow the team's directions about fluids, food, and regular medicines. Avoid driving, alcohol, and important decisions while sedation effects remain.
Keep the discharge sheet nearby and have another adult stay with the patient for the period advised by the unit. Do not take extra pain medicine or antibiotics unless a clinician confirms they are appropriate, because some medicines can obscure symptoms or increase bleeding risk.
When to get urgent help
Seek urgent assessment for shaking chills with fever, severe or increasing abdominal pain, a swollen or rigid abdomen, repeated vomiting, inability to drink, increasing rectal bleeding, black stool, marked dizziness, or worsening weakness.
Call emergency services for trouble breathing, chest pain, fainting, confusion, severe uncontrolled bleeding, or difficulty waking the person. Do not wait for a routine follow-up when these signs occur.
Questions for the endoscopy team
Ask whether any tissue or polyps were removed, whether there were difficulties during the procedure, and which medicines were used. Confirm what symptoms are expected, how long sedation precautions apply, how results will arrive, and which contact number is staffed overnight.
Questions people ask
Are chills expected after colonoscopy?
A brief cold feeling may occur during recovery, but shaking, persistent, or worsening chills should be reported to the procedure team.
Do chills mean the bowel was perforated?
Chills alone cannot identify a bowel injury. Severe or increasing abdominal pain, swelling, fever, vomiting, or collapse requires urgent assessment.
Should I wait until morning to call?
Use the after-hours number on the discharge sheet when chills are persistent or accompanied by concerning symptoms; use emergency services for severe warning signs.
Related
Related reading
Keep reading
Cancer care in the UAE
Hospitals & Medical Centers in Abu Dhabi
Most UAE cancer care is delivered inside hospital services rather than by standalone oncology clinics, so these are licensed hospitals & medical centers listed in Abu Dhabi. Confirm the specific cancer service exists before you travel, and know that asking for a second opinion is routine.
Ahalia Hospital Musaffah Building - Musaffah - Musaffah Industrial - Abu Dhabi - United Arab Emirates
Accepts: Daman, Thiqa, AXA, Cigna +26 more
Al Ruwais Industrial City - Abu Dhabi - United Arab Emirates
Accepts: Daman, Thiqa, AXA, Cigna +30 more
Abu Dhabi, Abu Dhabi
Accepts: Daman, Thiqa, AXA, Cigna +30 more
Second opinions are routine in cancer care and asking for one does not affect your treatment. How to arrange a second opinion in the UAE.
Ordered by verification status and how complete each clinic's public record is, then alphabetically. This is a directory listing, not a ranking — Zavis does not rate or recommend providers.
A factual listing drawn from the DHA, DOH and MOHAP licence registers. It is not a referral, an endorsement, or advice that any of these providers is right for you.
Medical disclaimer. This page is general health information, not medical advice, and it cannot diagnose you. Always consult a licensed healthcare provider about your own symptoms and treatment. In an emergency in the UAE, call 998 for an ambulance.