Medically Reviewed by Dr. Jason Z.W. Powers, MD, MAPP
Board-Certified in Family Medicine & Crisis Medicine | University of Pennsylvania
That is the size of a few grains of salt. There is no safe amount. There is no "trying it once." Every single use of fentanyl, whether intentional or not, is a coin flip with your life.
If you are using any street drugs, pills not from a pharmacy, or powder of any kind, assume fentanyl is in it. Carry Narcan. Tell someone where you are. And call us.
Call 713-904-4699 NowUnderstanding the Emergency
Drug poisoning is now the leading cause of injury-related death for Texans aged 24 to 69. Texas drug deaths increased 89% between 2019 and 2024, driven largely by opioids and synthetic opioids like fentanyl.
Fentanyl is a synthetic opioid so potent that a lethal dose is just 2 milligrams, roughly the size of a few grains of salt. It is manufactured illegally and pressed into counterfeit pills designed to look like Percocet, Xanax, or OxyContin. Many people who overdose on fentanyl had no idea it was in what they took. The margin between a high and a fatal dose is almost nonexistent.
If you or someone you love is using fentanyl or any street drugs that could contain fentanyl, this is a life-or-death situation. Do not wait. Call now.
Forms of fentanyl: Illicit fentanyl powder, counterfeit pressed pills (fake Percocet, Xanax, OxyContin), fentanyl-laced heroin, fentanyl-laced cocaine, pharmaceutical fentanyl patches
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Recognizing the Signs
Extreme drowsiness or "nodding off." Constricted pupils. Blue-tinted lips or fingernails. Confusion, slurred speech. Rapid tolerance (needing more within days). Severe withdrawal within hours of last use.
Using any street drugs (pills, powder, or substances that could contain fentanyl). Possessing Narcan/naloxone "just in case." Secretive behavior. Disappearing for hours. Spending money that cannot be accounted for. Track marks or burn marks.
Near-death experiences or witnessed overdoses. Revived by Narcan one or more times. Complete withdrawal from family and friends. Loss of employment, housing, or custody. Continued use despite knowing each use could be fatal.
The Science
Fentanyl is so potent that its effects on the body are extreme and rapid. Understanding why it is so dangerous can save a life.
Fentanyl binds to opioid receptors with extreme potency, flooding the brain with dopamine far beyond what natural rewards or even heroin can produce. Physical Dependence develops faster than with any other opioid, sometimes within days of regular use. The brain is hijacked almost immediately.
Fentanyl stops breathing. This is how it kills. A dose as small as 2mg can shut down the respiratory system within minutes. Naloxone (Narcan) can reverse an overdose but must be administered immediately, and multiple doses are often needed because fentanyl is so potent.
Illicit fentanyl is now found mixed into cocaine, methamphetamine, heroin, and counterfeit pills. Many overdose victims did not know fentanyl was in what they took. There is no way to see, smell, or taste it. Every use of any unregulated substance now carries fentanyl risk.
Why Fentanyl is Different
First contact with fentanyl, often unknowingly through contaminated pills or drugs.
Within days, the body demands more. The initial dose stops working. Seeking higher amounts or more frequent use.
Severe withdrawal within 4-8 hours of last dose. The body cannot function without it. Every waking moment focused on the next dose.
Life-threatening situation. Every use risks fatal overdose. Medical detox is not optional, it is urgent. Call now.
What to Expect
Reaching out can feel like the hardest step. Once you do, we walk you through the rest.
Someone on our team answers and listens, with no judgment.
We ask about your situation and verify insurance at no cost.
Your care team recommends detox, residential, or outpatient.
Many clients start the same day. We handle logistics.
Withdrawal
Fentanyl withdrawal is among the most severe of any opioid due to its extreme potency. It comes on fast and hits hard. Medical detox is essential.
Anxiety, muscle aches, sweating, yawning, runny nose. Onset is faster than other opioids due to fentanyl's short half-life. Anxiety, sweating, muscle pain, restlessness.
Extreme pain, cramping, vomiting, diarrhea, insomnia. Often described as the worst withdrawal of any opioid. 24/7 medical care is essential.
Acute symptoms begin to subside. Suboxone and Clonidine help stabilize. Psychological symptoms intensify.
Post-acute withdrawal (PAWS) can last weeks to months with fentanyl. Depression, anxiety, cravings, and sleep disturbances require extended clinical support.
Your Treatment Path
Every person's path to recovery is different. We offer a full continuum of care so you get the right level of support at every stage.
Medically-supervised detox with 24/7 nursing care. 4-6 day programs with medication to manage withdrawal safely.
Learn About Detox24/7 inpatient care at 3 Texas campuses. Group therapy, individual counseling, family workshops, and the Positive Recovery curriculum.
Learn About ResidentialFlexible programming 3-4 days per week at 15+ Texas locations. Continue working or going to school while getting the support you need.
Learn About IOPA Different Approach
Fentanyl provides an artificial escape. Our approach helps you build a life so fulfilling that escape is no longer necessary, through positive emotions, meaningful relationships, engagement, purpose, and achievement.
When your life is genuinely fulfilling, fentanyl loses its power. This is what makes us different from traditional programs that focus only on what's wrong.
Learn About Our ApproachMedication-Assisted Treatment (MAT)
FDA-approved medications help manage withdrawal, reduce cravings, and support long-term recovery. MAT is always combined with therapy.
Partial opioid agonist that reduces cravings and withdrawal without producing the full high. Gold standard for opioid MAT. Can be prescribed in outpatient settings.
Reduces anxiety, agitation, muscle aches, and sweating during acute detox. Not an opioid itself.
Blocks opioid effects entirely. Monthly injection prevents relapse. Used after detox is complete.
Monthly buprenorphine injection. Steady medication levels without daily dosing.
All medications are prescribed and monitored by our physicians. MAT is most effective combined with behavioral therapy and our Positive Recovery curriculum.
Co-Occurring Disorders
Fentanyl use often co-occurs with other mental health conditions. Many users are self-medicating pain, trauma, depression, or anxiety. Treating the addiction without addressing these underlying conditions leads to relapse.
At Positive Recovery, we treat the whole person. Our clinicians address co-occurring disorders alongside opioid addiction with coordinated care.
"Positive Recovery Centers literally saved my life. I came in broken and hopeless, and left with the tools to live a meaningful, sober life. The staff genuinely cares about every single person who walks through their doors."Jordan A. Google Review
For Families
Every day your loved one uses fentanyl could be the last. That fear is real, and it is justified. You are not overreacting.
You are not helpless. Learn about Narcan and keep it accessible. Our family workshops help you understand what is happening, set boundaries that could save their life, and prepare for the moment they are ready. Call us even if they are not ready yet. We can help you be ready when they are.
Common Questions
Fentanyl withdrawal is among the most severe of any opioid. While not typically life-threatening with medical supervision, the intensity drives many people back to use before withdrawal is complete, and relapse after even brief abstinence is extremely dangerous because tolerance drops rapidly. A single dose after a few days off can be fatal.
Acute fentanyl withdrawal starts within 4-8 hours and peaks at 1-3 days. Our detox programs run 4-7 days. Post-acute withdrawal symptoms (PAWS) from fentanyl can last significantly longer than other opioids, sometimes weeks to months.
Many fentanyl recovery clients benefit from medication-assisted treatment (MAT) with Suboxone during the transition from detox to outpatient care. Some use it short-term, others longer. The severity of fentanyl dependence often means MAT plays an important role in preventing relapse.
If you have developed physical dependence on fentanyl, even unknowingly, your body still needs medical support to safely stop. How you got here does not matter. What matters is getting safe. Our team treats you with zero judgment regardless of how your exposure began.
Yes. Fentanyl addiction treatment is covered by most insurance plans. We are in-network with BCBS, Aetna, Cigna, UnitedHealthcare, and many others. Do not let cost be a barrier to saving your life. Call 713-904-4699 for free verification.
This is an emergency situation. Keep Narcan accessible. Set clear boundaries. Do not use alone with them or provide money. Call us immediately. Our team can discuss intervention options and help you prepare for the moment they say yes. Every day matters with fentanyl.
Same day in many cases. Fentanyl addiction is treated as urgent. Call 713-904-4699 and our admissions team will work to get you or your loved one into medical detox as quickly as possible. We have three inpatient campuses in Houston, Hill Country, and DFW.
We Also Treat
This page is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare professional for diagnosis and treatment.
Where We Treat
We treat fentanyl addiction across Texas. Start at our Houston treatment locations, our Dallas-Fort Worth treatment locations, or our Austin and Hill Country treatment locations, or browse all 20+ Positive Recovery locations to find the clinic closest to you.
Fentanyl is dangerous, and reaching out for help is a brave step. Our admissions team is here 24/7, and we can often begin treatment the same day.
