Constipation, nausea, vomiting, and loss of appetite.
Severe confusion, hallucinations, or memory loss. Cardiovascular: Fast, irregular, or pounding heartbeat.
Significantly slowed heartbeat or fainting. Safety Precautions Fentanyl Transdermal Patch Side Effects
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.
Redness, itching, or a rash specifically at the site where the patch is applied. Serious & Rare Side Effects Seek immediate medical attention if you experience: Constipation, nausea, vomiting, and loss of appetite
Fold used patches so the adhesive sides stick together and dispose of them safely out of reach of children and pets.
Do not consume alcohol or other sedatives, as these can dangerously increase the risk of fatal respiratory depression. Significantly slowed heartbeat or fainting
Drowsiness, fatigue, dizziness, and headache. Sleep Disturbances: Insomnia or unusual dreams.