Can a pressure wristband aggravate my carpal tunnel or cut off my circulation to my fingers?

Yes: Yes, the wrist band can aggravate carpal tunnel or circulation to the hand, but not likely if the band is removed every few hours. The acupuncture point on the inside wrist is master of the heart 6, which when stimulated will greatly reduce nausea from almost any cause, especially morning sickness.

Yes: Yes, but it really has be worn pretty tightly for it to cut off the circulation. I haven't seen it cause carpal tunnel symptoms, but then again, i don't really see many people wear these bands.

Yes: Wristbands can put pressure on the carpal tunnel and reduce circulation to the hand.

Yes: Yes, anything that puts increased pressure on the wrist may increase carpal tunnel symptoms in susceptible patients.