Can carpel tunnel cause finger spasms?

No: It classically causes tingling and numbness especially when the hand is at rest such as during sleep. Sometimes if severe it can cause muscle weakness and atrophy requiring operation to release the median nerve.

Carpal Tunnel spasm: YES Carpal tunnel implies that the blood supply to the median nerve s compromised. If it is a transient temporary thing then it will not cause "damage" however if it is a chronic long term problem then there can be permanent loss of sensation and muscle function. Since the median nerves innervates muscles as well as skin there can be spasm in the affected muscles, and referred pain can seem like