Fentanyl Transdermal Patch Side Effects Direct

Avoid exposing the patch to direct heat (heating pads, saunas, hot tubs), as increased body temperature can cause the patch to release fentanyl too quickly into the bloodstream.

Drowsiness, fatigue, dizziness, and headache. Sleep Disturbances: Insomnia or unusual dreams. Fentanyl Transdermal Patch Side Effects

Shallow, slow, or difficult breathing.