Medically reviewed by Kevin Wandler, MD, Chief Medical Advisor
Heroin is a fast-acting opioid, and dependence on it can build quickly. Once the body has adapted, stopping brings on withdrawal that can feel unbearable, which is one reason many people keep using long after they want to quit. Medical detox provides a way through that first stage, with care, monitoring and a plan for what comes next.
Promises Dallas-Fort Worth offers heroin detox for adults at our campus at 400 Highland Drive in Lewisville, Texas. Whether you are seeking help for yourself or looking into options for someone you love, our admissions team can talk you through the process at any hour.
What Heroin Withdrawal Feels Like
Because heroin is short-acting, withdrawal can begin relatively soon after the last dose. It is often compared to a severe flu combined with intense anxiety and cravings.
Physical symptoms can include deep muscle and bone aches, sweating and chills, a runny nose and tearing eyes, frequent yawning, stomach cramps, vomiting and diarrhea, and restless legs that make it hard to lie still.
Emotional symptoms can include agitation, anxiety, low mood and powerful cravings. Sleep is often badly disrupted.
Symptoms typically build to a peak over the first few days and then gradually ease, although sleep problems, low energy and cravings can last longer. Heroin withdrawal is usually not life-threatening in itself for otherwise healthy adults, but vomiting and diarrhea can lead to dehydration, and withdrawal can strain people who have other medical conditions.
The Risk of Fentanyl in Heroin
Today, heroin is often mixed with or replaced by fentanyl, a much more potent synthetic opioid. The DEA and CDC warn that people buying heroin may not know whether it contains fentanyl or how much. That matters for detox in two ways:
- Withdrawal may be less predictable. If fentanyl has been part of your use, knowingly or not, your medical team needs to know, because it can affect timing and medication decisions. Our page on fentanyl detox explains more.
- Overdose risk rises after detox. Once tolerance falls, using heroin again, especially heroin that contains fentanyl, can cause a fatal overdose.
If you or someone you know uses heroin, keep naloxone nearby, learn the signs of overdose and call 911 immediately if someone is unresponsive or not breathing normally.
Medical Support During Heroin Detox
At Promises DFW, heroin detox is medically supervised from the start. Your care can include:
- An intake assessment covering how you use heroin, what else you use, your medical history and your mental health
- A review of related health concerns, such as skin infections or other effects of injection drug use
- Regular checks of your vital signs and withdrawal symptoms
- Medications to relieve symptoms like nausea, cramping, aches and insomnia when appropriate
- An evaluation of whether medication-assisted treatment is right for you
- Rest, fluids, on-site meals and a comfortable room, away from the pressures that feed use
Detox can also stir up difficult emotions, such as guilt, shame or worry about the future. That is a normal part of the process. Psychiatric evaluation is part of care at Promises DFW, so symptoms of depression, anxiety or trauma that surface during withdrawal can be identified early and built into your treatment plan. If you have thoughts of suicide at any point, tell staff right away, or call or text 988.
Why Heroin Detox Is Just the Beginning
Getting heroin out of your system is a major step, but it is not the same as recovery. According to NIDA, heroin use changes the brain’s reward and stress systems, and those changes do not reverse as soon as withdrawal ends. Cravings, triggers and emotional pain can remain, and the drop in tolerance after detox makes a return to use especially dangerous.
That is why we encourage moving from detox directly into ongoing care. At Promises DFW, that often means residential treatment, followed by our partial hospitalization program or virtual IOP as you regain stability. Throughout treatment, you can work on the reasons behind heroin use in individual, group and family therapy, and address co-occurring conditions such as depression, anxiety or trauma. Learn more about our heroin addiction treatment program.
Admissions and Insurance
Call any time to speak with admissions. We will ask about your heroin use, when you last used, your health and any past treatment. It helps to have your insurance card and a list of any medications you take nearby when you call. Same-day admission is often possible when a bed is available. We provide free, confidential insurance verification, and coverage depends on your specific plan, medical necessity and prior authorization.
Frequently Asked Questions
How soon should I reach out after deciding to stop?
As soon as you can. Calling before withdrawal starts gives admissions time to plan your arrival and means you have support in place when symptoms begin.
Will I be in pain the whole time?
Withdrawal is uncomfortable, but medical care can ease many symptoms. Your team will check in with you often and adjust your care as your symptoms change.
How can I help a family member who uses heroin?
Start by learning about treatment options and encouraging a conversation with admissions. Our article on how to help someone with a heroin addiction offers practical guidance for families.
Why is overdose risk higher after detox?
During detox, your tolerance drops. If you go back to using the amount you used before, your body may not be able to handle it. Fentanyl contamination makes this risk even greater.
Start Heroin Detox With Support
Call (469) 546-9303 to talk confidentially with admissions, review insurance options, or contact Promises Dallas-Fort Worth. If someone may be overdosing, call 911 right away.