Signs & Symptoms of Fentanyl Addiction

Last Edited: April 15, 2024
Author
Patricia Howard, LMFT, CADC
Clinically Reviewed
Edward Jamison, MS, CAP, ICADC, LADC
All of the information on this page has been reviewed and certified by an addiction professional.

Fentanyl addiction is a critical public health concern, given the substance’s potency and the rapidity with which dependence can develop. As one of the most potent synthetic opioids available, fentanyl’s risk for addiction and overdose is exceptionally high, necessitating awareness of its signs and symptoms for timely intervention and treatment.

Understanding Fentanyl

Fentanyl is a synthetic opioid up to 100 times more potent than morphine and 50 times more than heroin. Originally designed for pain management in medical settings—particularly for cancer patients—it has found a dangerous foothold in the street drug market. Illicitly manufactured fentanyl and its analogs are often mixed with heroin or cocaine, which amplifies its potency and potential dangers, frequently without the user’s knowledge.

Signs of Fentanyl Addiction

Recognizing the signs of fentanyl addiction involves observing changes in physical health, psychological state, and behavioral patterns. The following details can serve as critical indicators:

Physical Signs

  • Extreme Fatigue: Fentanyl significantly depresses the central nervous system, leading to pronounced drowsiness and lethargy. Users may seem unusually sleepy, have trouble staying awake, or fall asleep at inappropriate times.
  • Respiratory Depression: As an opioid, fentanyl dramatically slows breathing. Observing slow, shallow breathing can be a crucial sign of opioid overdose, a life-threatening condition that requires immediate medical attention.
  • Pupil Constriction: Opioid use leads to noticeably constricted pupils, often as small as pinpoints, regardless of light levels.
  • Gastrointestinal Issues: Constipation is a common side effect of all opioids, including fentanyl. Chronic use can lead to severe constipation and other gastrointestinal disturbances.
  • Weight Loss: Significant weight loss may occur due to neglect of nutrition and overall health.

Psychological Signs

  • Mood Swings: Individuals may exhibit erratic mood fluctuations, ranging from euphoria immediately following use to aggressive or depressive states as the drug’s effects wear off.
  • Decreased Pain Sensitivity: As a potent analgesic, regular fentanyl use lowers an individual’s ability to feel pain, potentially leading them to ignore serious injuries or conditions that would normally require medical attention.
  • Cognitive Impairment: Long-term fentanyl use can affect cognitive functions, leading to memory lapses, impaired judgment, or difficulty concentrating.

Behavioral Signs

  • Social Withdrawal: Those addicted to fentanyl may withdraw from family and friends, abandoning hobbies and activities they once enjoyed.
  • Secretiveness: Lying about drug use, hiding drug use from others, and acting defensively about whereabouts or activities are common indicators.
  • Financial Problems: Unexplained financial issues or the need for money can arise from spending significant amounts on sustaining the drug habit.
  • Neglect of Responsibilities: Failing to perform at work, neglecting childcare, or ignoring household responsibilities are often due to the priority shift towards drug use.
  • Doctor Shopping: This involves visiting multiple doctors to obtain more prescriptions for fentanyl, a common practice among those who started their addiction with prescription opioids.

Symptoms of Fentanyl Use

Beyond the signs of addiction, several symptoms can indicate recent use of fentanyl:

  • Euphoria: Shortly after taking the drug, users may experience intense joy and relaxation, a state often referred to as a “high.”
  • Confusion: Users can appear confused or disoriented post-use.
  • Dizziness: Fentanyl can cause dizziness or lightheadedness, increasing the risk of falls or accidents.
  • Nausea and Vomiting: These are common side effects, particularly in those not habituated to opioid use.
  • Itching: Users may scratch or complain of itchy skin, a side effect of opioid use.

Frequently Asked Questions

Q: What are the first signs of fentanyl addiction I should look out for?

A: Early signs of fentanyl addiction include noticeable changes in behavior such as increased secrecy about activities, withdrawal from family and friends, and loss of interest in hobbies or activities previously enjoyed. Physically, you might notice episodes of unusual drowsiness, changes in sleep patterns, and frequent flu-like symptoms, which are often indicative of opioid withdrawal.

Q: How can I tell if someone is using fentanyl, specifically, and not another substance?

A: While it’s difficult to determine the specific opioid being used based on symptoms alone, fentanyl’s extreme potency often results in more pronounced side effects such as severe respiratory depression, profound sedation, and significant pupil constriction (pinpoint pupils). If these symptoms occur especially rapidly after use, it might indicate the presence of fentanyl due to its high potency and fast action.

Q: What physical symptoms suggest a loved one might be addicted to fentanyl?

A: Physical symptoms of fentanyl addiction include significant weight loss, noticeable sedation or drowsiness, slowed breathing, persistent constipation, and gastrointestinal distress. Additionally, marks on the body from needle use, if fentanyl is being injected, can also be a clear indicator of opioid abuse.

Q: Are there psychological changes that occur with fentanyl addiction?

A: Yes, psychological changes are common and can be significant. These include sudden mood swings, increased irritability, anxiety, or depression. Cognitive changes such as memory loss, decreased attention span, and poor decision-making skills can also occur. A person may seem unusually euphoric or, conversely, unusually detached and apathetic.

Q: How can I differentiate between normal behavior and potential signs of fentanyl addiction?

A: Distinguishing between normal behavior and signs of addiction can be challenging, especially in the early stages. However, a combination of changes should raise concern: drastic personality changes, neglecting responsibilities, unexplained financial problems, secretive behavior about whereabouts, and physical symptoms like drowsiness or respiratory issues. If these behaviors are new or have intensified suddenly, and particularly if they are combined with known drug use, they might indicate addiction.

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