Skip to content

Medication-Assisted Treatment

What to Expect During Your First Month of MAT

The first 30 days of medication-assisted treatment follow a clear arc: induction, stabilization, and maintenance. Here's a week-by-week look at what happens.

By Jasper Grove Recovery · Clinically reviewed by Tia Conard, LCSW-S

Published August 13, 2025 · Updated July 14, 2026 · 3 min read

Morning dew catching light on grass — a fresh, quiet start.

Starting medication-assisted treatment (MAT) is a step toward stability — but the first month can feel uncertain when you don’t know what’s coming. The first 30 days follow a clear, well-understood arc, and knowing its shape makes the whole thing less daunting.

Here’s what to expect.

The three phases

The first month moves through the same phases MAT always does, just compressed into your opening weeks:

  1. Induction — the medication is started safely, under close supervision.
  2. Stabilization — the dose is fine-tuned as cravings settle and side effects are managed.
  3. The start of maintenance — a steady routine takes shape, and therapy goes deeper.

What the early weeks tend to involve

Everyone is different, but the arc usually unfolds like this:

  • Induction. A medical evaluation and lab work come first, then the medication is started. Withdrawal is managed with daily check-ins. This is the most closely monitored stretch — on purpose.
  • Early stabilization. The dose is adjusted as your body responds. Therapy begins. Any side effects are watched and managed, and for many people, sleep and mood start to improve.
  • Stabilization into maintenance. Cravings ease, routines settle, and the therapy work turns toward relapse prevention and the longer road.

Therapy is part of it from the start

Medication treatment can be combined with counseling and recovery supports based on the patient’s needs and preferences. At Jasper Grove, medication is integrated with residential clinical services; the treatment plan determines the schedule. In the first month that typically means individual and group sessions, with family education and involvement when clinically appropriate, using evidence-based methods like cognitive behavioral therapy (CBT), DBT-informed skills, and relapse-prevention work.

About side effects

Mild side effects are common when starting MAT, and they often fade as your body adjusts. If something isn’t sitting right, that’s exactly what the daily check-ins are for — the medication and dose can be adjusted. Nothing about this phase is meant to be endured in silence.

”Am I just replacing one drug with another?”

It’s the most common first-month worry, and the answer is no. MAT medications are used at therapeutic doses, taken as prescribed and clinically monitored — they don’t produce a high. What they do is remove the cravings and withdrawal that make early recovery so hard, so you can actually function: work, show up for your family, do the therapy. That’s the opposite of active addiction.

How long does MAT last?

There’s no single timeline. How long you stay on medication is a clinical decision, made with your prescriber over time and based on how you’re doing — not a fixed number of weeks.

How it works at Jasper Grove

At Jasper Grove, medication-assisted treatment begins inside residential care — often right after medically supervised detox — with buprenorphine (Suboxone or, when appropriate, generic Subutex) or Vivitrol, prescribed and managed alongside your therapy. Before you leave, continuing your medication is built into your aftercare plan, so month one leads cleanly into month two.

Starting MAT is a clinical decision, not a personal failing — and the first month is built so you’re supported through the hardest stretch of it. If you have questions, admissions answers 24/7, and we can verify your insurance for detox and residential care before you decide anything.

Common questions

How quickly does MAT start working?
Buprenorphine-based medication usually settles withdrawal and cravings within the first days once the dose is right. Finding that dose can take some adjustment. Vivitrol works from the injection, but requires being fully opioid-free before the first dose.
What are the side effects in the first month?
Constipation, headache, nausea, sweating and sleep disruption are common with buprenorphine and usually ease. Vivitrol commonly causes injection-site reactions, nausea and fatigue, particularly after the first dose. Report side effects rather than stopping — most are manageable with an adjustment.
Will I still have cravings on MAT?
Usually far fewer, and less overwhelming when they come. Medication lowers the volume; it doesn't remove the situations and feelings that trigger use, which is what therapy addresses. Cravings in the first month are normal and not a sign the medication isn't working.

Clinically reviewed by Tia Conard, LCSW-S

Regional Clinical Consultant, Alsos Behavioral Health. This article is reviewed for clinical accuracy by Alsos Behavioral Health's clinical leadership. It's educational and isn't a substitute for personal medical advice — if you have questions about your own care, talk with a licensed clinician. Admissions answers 24/7 at (317) 527-4529.

Take the next step

Have a question this didn't answer? Ask a real person.

Admissions answers 24/7 — no pressure, no obligation. We'll talk through your situation and verify your coverage for detox and residential care.