Fentanyl (transdermal route) - Side effects & dosage - Mayo Clinic
Swelling of the face, throat, or tongue, or hives. Symptoms of Overdose Fentanyl Transdermal Patch Side Effects
Long-term use may lead to reduced fertility or sexual dysfunction (e.g., decreased libido or erectile dysfunction). Fentanyl (transdermal route) - Side effects & dosage
Drowsiness, fatigue, dizziness, and headache. Sleep Disturbances: Insomnia or unusual dreams. decreased libido or erectile dysfunction). Drowsiness
Most users experience mild to moderate side effects as their body adjusts to the medication:
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: