1The patient's hallucination was so vivid that she thought the room was on fire.
2Is it possible that the strange noises were just a hallucination caused by the medication?
3The doctor explained that the hallucinations were a symptom of the patient's underlying condition.
4If you experience any hallucinations while taking this medication, contact your doctor immediately.
5Researchers are studying the brain activity of people who experience hallucinations to better understand the neural mechanisms involved.