Fentanyl Patch, Transdermal 72 Hours Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Abnormal Nervous System Function Affecting Alertness
  • An Inability To Completely Empty The Bladder
  • Apnea, A Breathing Interruption
  • Fever
  • Hallucinations
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • A Sensation Of Feeling Cold
  • Anxious Feelings
  • Conditions Of Excess Stomach Acid Secretion
  • Confusion
  • Constipation
  • Decreased Appetite
  • Diarrhea
  • Difficulty Sleeping
  • Dizziness
  • Drowsiness
  • Dry Mouth
  • Excessive Sweating
  • False Sense Of Well-Being
  • Generalized Weakness
  • Headache
  • Itching
  • Nausea
  • Nervousness
  • Vomiting

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Common Cold
  • A Type Of Abnormal Movement Disorder Called Dyskinesia
  • Abnormal Heart Rhythm
  • Chest Pain
  • Coughing Up Of Blood
  • Decreased Lung Function
  • Depression
  • Fainting
  • Low Blood Pressure
  • Paranoia
  • Slurred Speech
  • Unsteady Walking

If experienced, these tend to have a Less Severe expression

  • A Reaction At The Site Of Administration
  • A Stinging Sensation On The Skin
  • Agitation
  • Flu-Like Symptoms
  • Inducing Of A Relaxed Easy State
  • Low Energy
  • Memory Loss
  • Nightmares
  • Sensation Of Spinning Or Whirling
  • Throat Irritation
  • Upper Abdominal Pain

RARE side effects


If experienced, these tend to have a Severe expression

  • A Toxic Effect On The Central Nervous System, Which Consists Of The Brain And Spinal Cord
  • Abdominal Bloating
  • Accidental Falls
  • Addiction To A Drug
  • Adrenal Gland Problems
  • Asthma
  • Blistering Of The Skin
  • Breathing Changes
  • Chest Tightness
  • Decreased Urine Production
  • High Blood Pressure
  • Seizures
  • Serotonin Syndrome, A Type Of Disorder With High Serotonin Levels
  • Skin Burn Caused By Transdermal Patch Worn During MRI
  • Skin Rash With Sloughing
  • Sleep Apnea
  • Slow Heartbeat
  • Toxic Amblyopia, A Loss Of Vision
  • Urinary Urgency, Or The Sudden Urge To Urinate
  • Wheezing

If experienced, these tend to have a Less Severe expression

  • A Change In Vision
  • A Feeling Of Pins And Needles On Skin
  • Altered Interest In Having Sexual Intercourse
  • An Extreme Sense Of Wellbeing Called Euphoria
  • Bladder Pain
  • Blurred Vision
  • Contact Dermatitis, A Type Of Skin Rash That Occurs From Contact With An Offending Substance
  • Deficiency Of A Substance That Promotes Masculinization
  • Fast Heartbeat
  • Heart Throbbing Or Pounding
  • Infertility
  • Inflammation Of The Skin Due To An Allergy
  • Muscle Tremors
  • Muscle Twitching
  • Numbness
  • Opioid Induced Allodynia
  • Opioid Induced Hyperalgesia
  • Poisoning Caused By Anticholinergic Medication
  • The Inability To Have An Erection

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.