How long is rehab? There is no single answer: rehab can last anywhere from a few weeks to several months or longer, depending on the level of care you need and how you respond to treatment. Research shows that most people need at least three months in treatment to significantly reduce or stop their drug use, and the best results come with longer treatment, according to the National Institute on Drug Abuse’s principles of addiction treatment.
That three-month figure does not mean you have to live away from home for 90 days. For many people, treatment is a series of steps, such as a short period of detox, then partial hospitalization, then intensive outpatient care and ongoing support. Below, we explain typical program lengths, what affects your timeline and how long treatment usually lasts at our addiction treatment programs in Lancaster, PA.
How Long Is Rehab? Typical Lengths by Level of Care
“Rehab” is a broad word. It can mean several different levels of care, and each one usually has its own time frame. The National Institute on Alcohol Abuse and Alcoholism describes a range of settings, from regular outpatient visits to intensive outpatient and partial hospitalization programs, residential programs and 24-hour medically directed inpatient care.
Medical detox
Detox helps your body clear substances safely while withdrawal is managed. It is usually the shortest stage. For alcohol, MedlinePlus notes that withdrawal symptoms tend to peak within 24 to 72 hours but may go on for weeks. Detox is only a starting point, though. NIDA explains that medically assisted detox is only the first stage of addiction treatment and by itself does little to change long-term drug use. Learn more in our guide to what medical detox is and who needs it.
Residential (inpatient) treatment
In residential rehab, you live at the treatment facility. According to NIDA’s guide, the original short-term residential model was a 3- to 6-week stay followed by extended outpatient therapy, while long-term residential programs such as therapeutic communities often last 6 to 12 months. NIDA also stresses that after residential care, it is important to stay engaged in outpatient treatment or aftercare.
Partial hospitalization (PHP)
A partial hospitalization program gives you full-day treatment several days a week while you sleep at home or in supportive housing. At The Ranch Pennsylvania Outpatient Services, our addiction PHP meets for full days, five days a week, and most clients complete it in about 8 to 12 weeks.
Intensive outpatient (IOP)
An intensive outpatient program offers structured treatment for part of the day so you can keep up with work, school or family. A federal treatment guide notes that the American Society of Addiction Medicine defines intensive outpatient treatment as 9 hours per week for adults. Our addiction IOP meets for three-hour group sessions, three days a week, and typically lasts about 5 to 6 weeks.
Outpatient care and aftercare
Standard outpatient counseling, support groups and aftercare can continue for months or years. It helps you keep the skills and support you built in treatment.
Why Time in Treatment Matters
It can be tempting to look for the shortest option. But addiction changes how the brain works, and new habits take time to build. NIDA lists “remaining in treatment for an adequate period of time” as one of its core principles of effective treatment. It also notes that recovery is a long-term process that often involves more than one episode of treatment.
The same idea shows up in guidance for outpatient programs. A federal treatment manual on intensive outpatient care states that the recommended minimum length of the intensive outpatient phase is often cited as 90 days. In real life, that time is often split across levels of care, for example several weeks of PHP followed by several weeks of IOP and then ongoing outpatient support.
For people taking medication for opioid use disorder, staying with treatment matters too. A National Academies report on medications for opioid use disorder found that long-term retention on medication is linked to better outcomes, and that the period right after stopping treatment carries a high risk of overdose.
What Affects How Long Rehab Takes
Your treatment length should be based on you, not a calendar. Common factors include:
- The substance and your withdrawal risk. Some substances, such as alcohol and benzodiazepines, can cause dangerous withdrawal that needs medical supervision before other treatment starts.
- How severe the substance use disorder is. NIDA notes that the right length of treatment depends on the type and degree of a person’s problems and needs.
- Co-occurring mental health conditions. Many people with a substance use disorder also live with depression, anxiety, trauma or another condition. Treating both together, known as dual diagnosis treatment, may take more time but addresses the whole picture.
- Your support system and home life. A stable, substance-free place to live can make it easier to step down to a less intensive level of care sooner.
- How you are progressing. The treatment manual cited above says the length of treatment should be increased or decreased based on a person’s clinical needs, support system and psychiatric status.
Are 30-, 60- and 90-Day Programs Better?
You will often see rehab described as a 30-, 60- or 90-day program. These numbers can help you plan, but they are not rules. The ASAM Criteria, the most widely used standards for placing people in addiction care, call for patients to be reassessed regularly and moved between levels of care as they progress.
If you are comparing options, ask how the program decides when you are ready to step down, what happens if you need more time and what support is in place after you finish. Our guide to PHP vs. IOP can also help you understand how the two levels fit together.
How Long Is Rehab at The Ranch Pennsylvania Outpatient Services?
We provide outpatient care at two Lancaster, PA locations, the Outpatient Center and the Outpatient Residence. Here is what a typical timeline can look like:
- Detox, if needed. We do not provide detox on site. If you need medical detox, it can be coordinated with residential care at The Ranch Pennsylvania before you step down to outpatient treatment.
- Partial hospitalization. Full-day programming five days a week, usually about 8 to 12 weeks. PHP clients can live at our 16-bed, substance-free Outpatient Residence, which has 24/7 support staff and transportation to programming.
- Intensive outpatient. Three-hour group sessions three days a week while you live at home, typically about 5 to 6 weeks.
- Aftercare. Aftercare planning, alumni meetings and peer support such as 12-step groups and SMART Recovery help you stay connected after formal treatment ends.
Throughout, you may take part in CBT, DBT, motivational interviewing, individual, group and family therapy, and psychiatric care. Medication-assisted treatment may be available when clinically appropriate.
Frequently Asked Questions
Is 30 days of rehab enough?
For some people, 30 days is a helpful start, but research suggests most people benefit from at least three months of treatment overall. That time can include a mix of residential, PHP, IOP and outpatient care rather than one long stay.
How long is outpatient rehab?
It depends on the level. At our program, PHP usually lasts about 8 to 12 weeks and IOP about 5 to 6 weeks, followed by ongoing aftercare.
Can I work while I am in rehab?
Many people keep working during IOP because sessions last three hours, three days a week. PHP is a full-day program, so most people take time off. Read about FMLA leave for rehab to learn about your rights at work.
Will insurance cover the whole length of rehab?
Coverage varies by plan, and some plans review progress along the way. Our admissions team checks your benefits before treatment starts, and private pay is also available. See our guide to outpatient rehab costs for more.
Get Help With Addiction Treatment in Lancaster, PA
You do not need to know exactly how long you will need treatment before you reach out. Our team can help you figure out the right starting point, whether that is our partial hospitalization program, our intensive outpatient program or coordinated detox first. We serve Lancaster County and central Pennsylvania, including York, Harrisburg, Reading and Lebanon. Verify your insurance online or contact admissions. Our admissions team is available 24/7, and calls are free and confidential.
