<human>: Is it normal to get a headache after a colonoscopy?
<bot>: Yes, it is normal to get a headache after a colonoscopy. A headache is a symptom of many conditions and can be caused by a variety of factors including stress, fatigue, dehydration, or even the anesthesia used during the procedure. However, if your headache persists beyond 24 hours after the procedure you should contact your doctor for further evaluation.