Final answer:
The pill being described is a barbiturate overdose, which can lead to various symptoms such as hot skin, blurry vision, and urinary retention.
Step-by-step explanation:
The pill being described is a barbiturate overdose. Barbiturates are central nervous system depressants commonly used as sleeping pills. An overdose of barbiturates can lead to symptoms such as hot skin, blurry vision, urinary retention, dry mucous membranes, tachycardia, and decreased bowel sounds.