What to Expect in the First 72 Hours at Siam Rehab

The first 72 hours at Siam Rehab cover arrival, an intake assessment, and the start of any medically necessary detox, before the daily program structure properly begins. Most of the anxiety people feel beforehand comes from not knowing what actually happens during this window, not from the process itself being harder than expected. This guide walks through what to prepare before you fly, what happens on day one, and what changes once detox is complete.

The first 72 hours at Siam Rehab typically include an in-person intake assessment, a physical health check, and the start of medically supervised detox if withdrawal risk is present. Clients on high-dose opioid substitution therapy such as methadone are assessed separately, since Siam Rehab does not admit clients still on high-dose maintenance treatment without prior tapering. Medication costs during detox and any off-site medical care are billed separately from the program fee, which is worth knowing before arrival rather than after.

The First 72 Hours at a Glance

The first 72 hours at Siam Rehab generally follow the same sequence: arrival and an in-person intake assessment on day one, a physical health check to confirm what level of medical support is needed, and the start of detox if withdrawal risk applies. Most clients spend this window adjusting to the environment and completing paperwork and assessments rather than participating fully in the group program, which typically begins once initial stabilisation is underway.

Before You Arrive: What to Know First

A few practical things are easier to sort out before boarding a flight than after arriving in Chiang Rai, and worth going through honestly rather than discovering them mid-transition.

Siam Rehab does not admit clients currently on high-dose opioid substitution therapy, such as methadone, Subutex, or Suboxone, without prior tapering. Clients using heroin, morphine, or oxycontin can typically be accommodated after assessment, but this distinction matters enough to confirm directly with admissions before booking travel, not after.

Program fees cover the residential stay, meals, therapy, and daily activities, but medication costs during detox and any care requiring an outside hospital or clinic are billed separately, not included in the base program cost. This is standard across most private residential programs, but it’s easy to assume otherwise from marketing language elsewhere, so it’s worth confirming exactly what a specific quote covers before travelling.

None of this is meant to sound like a warning against booking; it’s the opposite. Knowing these details in advance, rather than discovering them during an already stressful transition, is what actually reduces stress once someone arrives. Admissions can walk through cost breakdowns and medical eligibility questions by phone or email well before travel is booked, which is the better time to raise them.

A deposit is typically required to confirm a place before arrival, handled directly through admissions given the international nature of most bookings. Packing-wise, the same general restrictions common across residential programs apply: no alcohol, drugs, or paraphernalia, and any prescribed medication should be declared in advance so it can be reviewed and managed appropriately on arrival.

Travel logistics are worth planning a little further ahead than they might be for a domestic program. Flight timing into Chiang Rai, time zone adjustment, and simply arriving tired after a long flight all affect how the first day actually feels, even before intake begins. Arriving a day earlier than strictly necessary, where that’s feasible, tends to make the first real day of intake easier to get through than arriving straight off a long-haul flight with no buffer.

Day One: Intake and Assessment

Day one is largely intake, not treatment in the fuller sense that follows once initial stabilisation is complete. After arrival, a qualified professional works through substance use history, previous treatment attempts, medical history, current prescriptions, and any mental health symptoms including trauma history, since all of this shapes the initial care plan.

This conversation tends to be more emotionally demanding than people expect, not because anything about it is harsh, but because it’s often the first time someone has laid out the full picture of their use to another person without minimising it. Feeling unsettled or emotional during intake is common and doesn’t indicate that anything has gone wrong.

A physical health check typically follows, covering vital signs and current withdrawal symptoms if applicable, which helps determine whether detox needs to begin immediately or can be scheduled slightly differently based on presentation.

Questions during this stage aren’t limited to substance use itself. Sleep patterns, appetite, recent physical symptoms, and any history of prior withdrawal complications all factor into the initial plan, since two people using the same substance at similar levels can still need noticeably different levels of medical support depending on that broader history.

Detox and Stabilisation

Not everyone arriving at Siam Rehab requires medical detox, and for those who do, the length and intensity depends heavily on the substance, duration of use, and individual medical history rather than following a fixed timeline applied to everyone. Some detox periods are relatively brief; others extend well past the first 72 hours.

During this window, monitoring is close and the daily program is intentionally lighter, since the priority is physical stabilisation over full participation. Phone and internet access is commonly limited during acute detox specifically, not as a punitive measure, but to reduce outside triggers and support rest during the period when a person is least equipped to manage them.

Being honest about substance use history during intake, including amounts and recent patterns, directly affects how safely this stage is managed, since incomplete information increases the risk of complications during withdrawal.

The physical experience of detox varies enough between substances that generic descriptions rarely help much. Alcohol and benzodiazepine withdrawal carry more acute medical risk in the earliest hours and are monitored accordingly. Stimulant withdrawal tends to present differently, often more psychologically than physically demanding in the first days. This is part of why intake gathers detailed substance history rather than treating detox as a single, uniform process applied the same way regardless of what someone was actually using.

It’s worth setting expectations honestly here: detox is uncomfortable by nature, and no facility can promise otherwise without overstating things. What clinical support actually changes is safety and severity, not whether discomfort happens at all. Sleep is often disrupted in the first day or two regardless of substance, and appetite typically returns before energy does. None of this is a sign that something has gone wrong; it’s closer to the expected pattern than an exception to it.

After Detox: What Changes

Once acute detox symptoms ease, the shift is usually noticeable: daily structure becomes clearer, and participation in group and individual therapy increases as physical stabilisation allows for it. Fatigue and emotional sensitivity commonly continue for a while longer as the body and brain keep adjusting, even after the most acute physical symptoms have passed.

This transition point is also where the broader treatment plan, shaped initially by intake, starts to properly take effect. What someone is ready for at this stage looks different from what they needed during the first 72 hours, which is part of why the early structure loosens gradually rather than all at once.

Family members waiting for updates during this period sometimes expect a clear before-and-after moment, a single point where things visibly click into place. It rarely works that way. Progress after detox tends to look more like a gradual return of energy and engagement than a dramatic turning point, which is worth knowing so that a quiet, undramatic few days doesn’t get mistaken for a lack of progress.

By the end of the first 72 hours, most clients have moved from the intake-and-stabilisation phase into something closer to the program’s regular rhythm, even if detox itself is still resolving. The first three days set the foundation the rest of the stay builds on, which is part of why getting the logistics and honesty around them right, rather than rushing through, tends to matter more than it might seem from the outside.

Frequently Asked Questions

Does Detox Begin Immediately on Arrival?

Not always. It depends on withdrawal risk, arrival time, and what the initial physical assessment shows. Some substances carry more urgent withdrawal timelines than others, which affects how quickly medical staff need to act.

What Should I Pack for the First Few Days?

Standard restrictions apply: no alcohol, drugs, or paraphernalia. Any prescribed medication should be declared in advance so it can be reviewed and managed appropriately on arrival rather than discovered during check-in.

Are Medication and Outside Medical Costs Included in the Program Fee?

No. Medication costs during detox and any care requiring an outside hospital or clinic are billed separately from the base program fee. This is worth confirming directly with admissions before travelling.

Can I Contact Family During the First 72 Hours?

Phone and internet access is commonly limited during acute detox specifically, not throughout the whole stay, to reduce outside triggers and support rest during the period when a person is least equipped to manage them. Access typically opens up as stabilisation progresses.