Cold, clammy, or bluish-tinted skin and lips.
Drowsiness, fatigue, dizziness, and headache. Sleep Disturbances: Insomnia or unusual dreams. Fentanyl Transdermal Patch Side Effects
Fentanyl overdose is a medical emergency. According to the Mayo Clinic and the NHS , key warning signs include: Inability to stay awake or be roused. Pinpoint Pupils: Very small, non-reactive pupils. Cold, clammy, or bluish-tinted skin and lips
Significantly slowed heartbeat or fainting. Safety Precautions or bluish-tinted skin and lips. Drowsiness
Shallow, slow, or difficult breathing.