Think of a partial hospitalization program (PHP) for opioid use disorder as day treatment. You are at the program during the day. At night, you are at home or in a sober living place. There is no set PHP length. Your care team checks your progress and needs to pick your stay time.[1] If you are planning that move, our guide to sober living after opioid rehab covers what to expect in a new home.
PHP is only one part of your care. It does not stand in for medication treatment when you need it. Your needs and the program's services show if PHP fits you. Read our guide on the levels of opioid rehab for more choices. When you are ready to compare specific facilities, our guide to luxury versus standard rehab helps you vet your options. If you are weighing shorter stays, our guide to weekend rehab for opioids covers safety steps and ongoing care.
Our company is a U.S. publisher of a treatment directory. We do not act as a treatment provider.
PHP for Opioid Use Disorder: How It Works
During the day, you get care at a PHP. This is a form of intensive outpatient care. At night, you usually head home.
PHP is a setting, not a specific treatment for opioid use disorder. Each program offers its own services. Medicine access can change by provider. Ask what care a program provides.
Knowing the gap between dependence and a disorder is useful. Long-term use of many drugs can lead to physical dependence. Proper use can still cause this effect. Dependence alone is not addiction.[2] Only a doctor or licensed clinician can diagnose opioid use disorder.
5.7 million
estimated U.S. people age 12 or older had opioid use disorder in 2023[3]
2 of 11
DSM-5-TR criteria needed within 12 months for a diagnosis[4]
These figures point to how widespread the problem is. They do not tell you if PHP fits your needs. A clinician looks at your needs to choose the right care level.
Medications Used in PHP for Opioid Use Disorder
Medication is a key part of treatment for opioid use disorder. The FDA has approved methadone, buprenorphine, and naltrexone for this purpose.[6] NIDA says these medications are effective and evidence-based.[7] Studies show that people on methadone or buprenorphine have lower rates of death from all causes and overdose.[8] If cravings persist despite medication, our guide to cravings on mat offers practical ways to manage them.

How each PHP manages medication is not the same. Some sites use their own staff to provide it. Other sites rely on an outside prescriber or an opioid treatment program. Counseling and other supports help. However, they do not replace medication if that is the right choice for you.
Talk to a program and ask who controls your medications. Ask how visits are booked. Make sure you know how your plan works after you leave. This gives you a clear path and stops gaps in your care.
Differences Between PHP, IOP, Residential Care, and Detox
Your specific needs drive the choice of care level. The ASAM framework outlines five main levels. It also breaks these down into sublevels based on medical supervision.[9] No two levels are identical. Each serves a unique purpose in recovery.
| Level of Care | Typical Setting | Broad Purpose | Key Questions to Ask |
|---|---|---|---|
| Standard Outpatient | Clinic or office | Ongoing therapy while living at home | Does it offer medication for opioid use disorder? What is the follow-up plan? |
| Intensive Outpatient (IOP) | Clinic or group setting | Group and individual sessions several times a week | How does the schedule fit work or school? Is medication treatment included? |
| Partial Hospitalization (PHP) | Day treatment facility | Intensive daytime care, returning home each night | What are the daily hours? How is medication managed during the day? |
| Withdrawal Management (Detox) | Medical facility or clinic | Managing physical withdrawal safely under medical supervision | Is this followed by ongoing treatment with medications for opioid use disorder? Who plans the next step? |
Every place uses different names and times. Ask the provider for the full details.
The Limits of Detox
Withdrawal management keeps you safe during physical withdrawal. But detox alone does not fully treat substance use disorder.[10] People often return to using drugs if they lack ongoing care. CDC guidance warns against detox without medications for opioid use disorder. This increases risks for resuming drug use, overdose, and overdose death.[11]
Detox is just the start. It should fit into a wider plan that adds steady therapy and medicine. As you look at choices, find providers who tie withdrawal to long-term care. See our guide to opioid detox duration to learn about that stage. Also, our list of medical detox programs shows local spots that handle withdrawal safely and plan next steps. If you are paying out of pocket, our guide to opioid treatment without insurance explains how to manage those costs.
What a Day and Timeline in PHP for Opioid Use Disorder Looks Like
A typical day in a partial hospitalization program (PHP) differs across facilities. Most plans balance structure with flexibility. Individual and group counseling are standard services.

Specific times and activities depend on the program. Here is a sample schedule for one day to help you picture the flow.
- Morning: You show up for a group session on coping skills or psychoeducation.
- Midday: A therapist meets with you one-on-one to talk about your personal goals. You may also see a prescriber to manage your medication.
- Afternoon: You join a second group session that may focus on peer support or family therapy.
- Evening: You head home. Some programs give homework or push you to practice the skills you learned that day.
Every program puts together its own schedule. So, these items are common, but they are not a guarantee.
Care teams often link your PHP treatment with your other doctors. They weave substance use disorder care into your other health services.[12] This keeps your overall treatment connected.
What Makes Length Change
A PHP stay does not have one set week count. The American Society of Addiction Medicine (ASAM) notes that treatment length should fit your progress.[1] It should not track a fixed calendar. Your needs help set the timeline. Program structure is another factor. How you react to care counts as well. Teams check your progress on a regular basis. They tweak the plan as you move forward.
A Sample Order of Steps
This path shows where PHP sits in addiction treatment. It serves as a sample, not a rigid set of rules. Not everyone goes to detox before PHP. Stepping down to less intensive care does not stop medication treatment.
Check and Plan
You finish an evaluation to see what you need. Your team makes a personal plan. It may include medication for opioid use disorder and therapy goals.
Next Steps
The team looks at your progress. They decide if you should stay in PHP. Or you may step down to intensive outpatient care (IOP). Another level of care is also possible.[1]
Ongoing Care
You keep getting support through follow-ups.[12] Community resources help too.
As a general rule, intensive outpatient treatment covers 6 to 19 hours weekly. This time includes individual and group counseling, medication management, family therapy, educational groups, occupational and recreational therapy, and other therapies.[13] Note that this range applies to IOP, not PHP. Ask the program about its daily schedule. Also ask how they decide when to step down.
Does PHP Fit You, or Is Another Level Needed?
Selecting the right care is a medical call. A qualified provider reviews your safety and needs. They do not depend on a quiz or one symptom.
The ASAM Criteria examines six areas. This covers health issues and withdrawal risks.[9] It lines up care intensity with your needs.[14] Good care looks at the whole person. It deals with medical, mental, social, and legal needs.[15]
PHP is an intensive, outpatient service.[16] It may fit if you need daytime structure but can sleep safely at home. For example, it might suit someone needing regular counseling and medication management who is safe overnight. Not everyone starts with detox; your current needs set the starting point.
On the other hand, you may need a higher level of care. This is true if you have steady withdrawal signs that need constant medical watching. It is also true if you have big health problems. Or if you have safety risks that are hard to handle at home. Providers will ask about these things to help pick the right fit:
- Withdrawal: Is medical monitoring a need for you?
- Mental health: Do you have other health conditions?
- History: Have you used other care levels?
- Home: Is your home life stable?
- Logistics: Can you arrive for sessions on time?
If you are not sure, read our level of care assessment guide.
Use the check below to prepare for your visit. It does not choose your care level.
Questions to Discuss With a Provider
This self-check is for information only and isn't a diagnosis. It does not determine your level of care.
Things to Ask Before You Pick a PHP Program
Care varies across different partial hospitalization programs. Ask each program about its specific services and costs. Use this list to guide your call.

Questions to Ask a PHP Program
Your ticks are saved on this device only.
Staff help with treatment referrals in English and Spanish, and the line is open 24 hours a day.[18] SAMHSA also has a public list of opioid treatment programs. This helps you find local care.[19]
Frequently Asked Questions
What qualifies as opioid use disorder?
Doctors look at a pattern of symptoms. They check how these signs affect your life. It is not just about taking an opioid. DSM-5-TR classifies the condition as mild with 2–3 criteria, moderate with 4–5, and severe with 6 or more.[20] A qualified clinician makes this diagnosis.
Is PHP a form of rehab?
Yes. "Rehab" is a broad term for treatment programs that help people recover from substance use disorders. Partial Hospitalization (PHP) is one specific, structured, non-residential option within that spectrum. It offers intensive daytime care while allowing you to return home in the evenings, fitting between residential treatment and less intensive outpatient care.[16]
How long does PHP for opioid use disorder usually last?
There is no single PHP length that fits everyone. NIDA reports that research indicates most people who need treatment for drug addiction need at least three months in treatment to significantly reduce or stop drug use, but this is a general finding, not a PHP-specific stay length.[15] Ask the team how often they check your progress.
Can PHP provide or coordinate medication treatment for opioid use disorder?
Some programs provide medication treatment. Others work with an outside doctor or clinic. Methadone treatment for opioid use disorder is generally provided through a federally certified opioid treatment program, subject to specific regulatory exceptions.[21] Ask who prescribes your meds and how care continues after PHP ends.
What are the hardest addictions to quit?
There is no reliable ranking for who finds it hardest to stop. No single treatment is appropriate for everyone, and effective care should be tailored to individual needs.[22] A personal health check is more useful than comparing substances.
Does physical dependence mean someone has opioid use disorder?
Not necessarily. Physical dependence can happen with prescribed opioids. It is not a diagnosis by itself. DSM-5-TR does not count tolerance or withdrawal toward the diagnosis when those symptoms occur solely during appropriate medical treatment.[23] A clinician can help tell the difference between these two things.