What to Expect in Partial Hospitalization (PHP)

A partial hospitalization program (PHP), sometimes called a day hospital or day treatment program, is one of the most intensive levels of mental health or substance use care available outside of an inpatient unit. You attend a structured program for most of the day, several days a week, and then return home, to a family member's home, or to a sober living environment each evening.

PHP exists to fill a specific gap: it's for people who need more support than a weekly therapy appointment can offer, but who don't need — or no longer need — round-the-clock hospital care. Clinically, it's often described as a bridge between inpatient and outpatient treatment. Some people step down into PHP after a hospital stay; others step up into it when outpatient therapy alone isn't enough to keep them safe and stable.

PHP programs treat a wide range of concerns, including depression, anxiety disorders, mood disorders like bipolar disorder, eating disorders, trauma-related conditions, and substance use disorders. Many programs are specialized — you might see a program described as a "mood and anxiety PHP" or a "co-occurring disorders PHP" — so the exact structure and focus varies by program.

Mental health and substance use treatment is often organized into levels of care — a stepped system where the intensity of treatment matches the intensity of what a person is experiencing. PHP sits in a specific place on that continuum, between intensive outpatient (IOP) and inpatient hospitalization.

Intensive Outpatient (IOP)

IOP typically runs 3 days a week for about 3 hours a day. It's designed to fit around work, school, or caregiving responsibilities while still providing more support than once-a-week therapy. Most people can manage daily life independently while in IOP.

Partial Hospitalization (PHP)

PHP is more intensive: usually 5 days a week for around 6 hours a day. It provides significantly more clinical contact — multiple therapy groups, individual sessions, and often daily psychiatric or medical check-ins — while still allowing you to sleep at home. Think of it as a full-time commitment, similar to a job, for a few weeks.

Inpatient hospitalization

Inpatient care is 24/7. It's reserved for situations where someone needs round-the-clock monitoring — for example, active suicidal intent with a plan, severe self-harm risk, a mental health crisis that makes it unsafe to be home, or medically complicated detox. You stay overnight in a hospital or residential unit until you're stable enough to step down.

PHP tends to be a good fit for people who are:

• Stepping down from inpatient care — stable enough to leave the hospital, but still needing daily structure and support to consolidate the progress made during the hospital stay.
• Stepping up from outpatient care — their symptoms have become too severe, frequent, or disruptive for weekly or twice-weekly therapy to manage, but they are safe to be at home overnight.
• Not quite ready for IOP— they need more structure and clinical contact than IOP provides, even if they don't need inpatient-level monitoring.
• Needing medication stabilization — starting a new medication, adjusting a complex medication regimen, or recovering from a medication-related crisis, with daily psychiatric oversight.
• Needing crisis stabilization without hospitalization — experiencing a significant increase in symptoms or risk, but assessed as safe to remain at home with intensive daytime support and a solid safety plan.

A clinician — often through an intake assessment or a referral from an inpatient unit, therapist, or psychiatrist — will help determine whether PHP is the right level of care, based on established clinical criteria for safety, symptom severity, and the level of support available at home.

Every program structures its day a little differently, but most PHP schedules follow a similar rhythm. A typical day might look like this:

• Arrival and check-in — you arrive in the morning, and staff check in on your mood, sleep, safety, and any overnight concerns. Some programs use a brief written check-in or rating scale.
• Morning skills group — a structured group teaching coping skills, often drawing from Cognitive Behavioral Therapy (CBT) or Dialectical Behavior Therapy (DBT), covering things like distress tolerance, emotion regulation, or challenging unhelpful thoughts.
• Individual therapy — most programs include at least one one-on-one session with a therapist each week, and sometimes more often, to work on personal goals and safety planning.
• Lunch — for general mental health programs, lunch is usually a break. For eating disorder programs, lunch (and sometimes breakfast or snacks) may be a supervised meal, with staff present to support patients through the anxiety that meals can bring and to help rebuild a healthier relationship with food.
• Afternoon groups — often a mix of a process group(an open, therapist-facilitated discussion where participants can talk through what they're experiencing) and psychoeducation (structured teaching about a topic like the biology of anxiety, the nature of addiction, or the impact of trauma on the body).
• Medication management — many programs include regular contact with a psychiatrist or psychiatric nurse practitioner, especially in the first week or two, to monitor how a new or adjusted medication is working.
• Daily wrap-up and safety check — before you leave for the day, staff typically check in again: how are you feeling about going home, do you have a plan for the evening, and is your safety plan current.

Most PHP stays last about 2 to 4 weeks, though this varies by person, program, and insurance authorization. PHP is meant to be intensive but time-limited — the goal is stabilization and skill-building, not indefinite treatment at this level.

Throughout your time in PHP, the treatment team will do regular reassessments— often weekly — to check whether you still need this level of care, whether you're ready to step down, or, less often, whether you need a higher level of support. Discharge planning typically starts early, sometimes in the first week, so that the move to the next level of care (usually IOP, sometimes standard outpatient therapy) feels planned rather than abrupt.

Transportation

Because PHP runs daily, you'll need a reliable way to get to and from the program five days a week. Some programs offer transportation assistance or can point you to local options; ask about this during intake if it's a concern.

Work and school

A full day of programming five days a week is close to a full-time commitment, so many people need to arrange medical leave from work or school. Program staff can often provide documentation for employers, schools, or short- and long-term disability paperwork — ask what your program typically provides.

Meals

Some programs provide lunch (particularly eating disorder programs, where supervised meals are part of treatment); others expect you to bring your own. Confirm this before your first day so you're not caught off guard.

What to bring

• A notebook or journal for group handouts and notes
• A water bottle and any approved snacks, if not provided
• A list of current medications and dosages
• Insurance card and photo ID for intake paperwork
• Comfortable clothing — you'll be seated in groups most of the day

What not to bring

Programs generally ask patients not to bring sharp objects, medications not already disclosed to staff, alcohol or drugs, or large amounts of cash or valuables. Many programs also restrict phone or device use during group time — ask your specific program about its policy so you know what to expect.

Partial hospitalization programs are available through several hospital systems and behavioral health organizations across New Hampshire, offering both mental health PHP and substance use PHP tracks, and in some cases combined tracks for co-occurring conditions.

Most PHP programs are covered, at least in part, by health insurance, including Medicaid and Medicare, though the details of prior authorization, covered length of stay, and copays vary by plan. Program intake staff can typically help verify your benefits before you start, and most programs will work with you and your insurer on ongoing authorization as your treatment continues.