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Treatment

IOP or outpatient: which level of care do you actually need?

The difference is intensity and structure, not seriousness. Here is how the decision is actually made, and what each one looks like week to week.

Published August 19, 2026

People often arrive having decided in advance which level of care they want — usually the lighter one. That instinct is understandable and sometimes right. Here is what the difference actually is.

The two, side by side

Outpatient (OP) is one to two sessions a week — individual counselling, sometimes a group. It fits around an ordinary life with very little disruption. It works when you have stability to build on: somewhere safe to live, people around you who help rather than hinder, and enough momentum that weekly contact is enough to hold it.

Intensive outpatient (IOP) is ASAM Level 2.1 — around nine clinical hours a week. Ours runs Monday, Wednesday and Thursday evenings, 6:00 to 9:00 PM, typically for about twelve weeks. Most people keep working the whole time.

The gap between them is not severity of character. It is how much structure the next few weeks need to hold.

How the decision is actually made

Clinicians use the ASAM criteria — six dimensions, considered together:

  1. Withdrawal risk. Physical dependence changes everything. If stopping is medically unsafe, neither OP nor IOP is the right starting point; medically monitored withdrawal comes first.
  2. Medical conditions.
  3. Emotional and mental health. Depression, anxiety, trauma and substance use travel together far more often than not.
  4. Readiness to change. Not a judgement — a factor. Ambivalence is normal and is itself something treatment works on.
  5. Relapse potential. What has happened before, and what happened around it.
  6. Recovery environment. This one is decisive more often than people expect. The same person needs different things depending on whether home is safe.

No single dimension decides it. Someone with a long history and a stable home may do well in OP. Someone with a shorter history and chaos around them may need IOP to get any traction at all.

What a week of IOP is actually like

Three evenings, three hours each. Mostly group — process groups, skills work, relapse prevention, and education about what is actually happening in your brain and body. Individual sessions alongside it. Family sessions when it helps and when you want them.

Groups are small enough that you're known in them. That is uncomfortable in week one and is usually the thing people name as most useful by week eight.

You'll also have a treatment plan with actual goals, reviewed roughly monthly, that you helped write. If your plan reads like something done to you, ask to change it.

Stepping down, and stepping up

These are not fixed destinations. The normal path is IOP first, then a step down to OP as things stabilise, then aftercare. Moving down is progress, not graduation-and-done.

Moving up is also normal, and is not failure. If IOP isn't holding — you're using between sessions, or something has destabilised — the honest answer is more support, not more willpower.

Where we stop

We are an outpatient programme with no on-site detox. If your withdrawal risk is moderate or high, the safe first step is medically monitored withdrawal somewhere equipped for it. We coordinate with a partnered detox provider, and we will refer you rather than admit you to a level of care that can't hold you safely.

That is worth saying plainly, because a programme willing to admit anyone who calls is not being generous with you.

If you're choosing for someone else

You can't. What you can do is make the evaluation easy to get to, be honest with the clinician about what you've seen, and be there afterwards regardless of what they choose. Pushing someone into a level of care they've rejected mostly produces someone who attends and doesn't participate.

Common questions

How long does IOP last?
Typically about twelve weeks at three evenings a week, though it is individualised. Length is driven by progress against your treatment plan, reviewed roughly monthly, not by a fixed count of sessions.
Can I keep working while in IOP?
Yes — that is what the evening schedule is for. Groups run Monday, Wednesday and Thursday from 6:00 to 9:00 PM. Most people work throughout.
What if I need detox first?
We do not run a detox unit. If your withdrawal risk is moderate or high, we coordinate with a partnered detox provider and you start with us afterwards. We will not admit someone to IOP who needs medically monitored withdrawal.
Is IOP the same as rehab?
No. "Rehab" usually means residential treatment, where you live on site. IOP is intensive treatment you attend in the evenings while living at home and keeping your job.
What if I start in IOP and it is not enough?
We move you up, and that is not a failure. Needing more support is information about what the situation requires, not a verdict on you.