Judge in courtroom robes seated at desk, representing legal authority in commitment proceedings.

Marchman Act & Involuntary Commitment

Involuntary Commitment for Alcohol, Opioids & Drug Addiction in Florida

When someone you care about cannot stop using, Florida law provides a legal path to court-ordered treatment. Robinson & Casey handles Marchman Act petitions statewide.

By Richard J. Casey III, Esq. · Published September 22, 2026

Involuntary Commitment for Specific Addictions: Alcohol, Opioids, and Drugs in Florida

Involuntary commitment under Florida law can be used to help someone struggling with alcohol, opioid, or other drug addiction when they pose a danger to themselves or others—but the medical realities, legal evidence, and treatment options differ significantly by substance. Understanding these differences helps you determine whether involuntary commitment is the right path for your loved one’s particular situation.

Wooden gavel on round surface with folders on courtroom table, overhead view.

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Understanding Involuntary Commitment for Substance-Specific Addiction

The Marchman Act, codified in Florida Statutes Chapter 397, provides the legal framework for involuntary commitment of individuals with substance use disorders. The law applies across all substance types—alcohol, opioids, cocaine, methamphetamine, benzodiazepines, and others—but the medical risks and evidence profiles unique to each substance shape how courts evaluate these cases.

The legal standard is the same regardless of substance: the person must be unable to manage personal care due to substance use, or pose a threat to self or others. What changes is the medical and factual evidence you gather to prove that standard. An alcohol addiction case looks different from an opioid case, which looks different from a stimulant addiction case—and knowing those differences helps you build a stronger petition.

Involuntary Commitment for Alcohol Addiction in Florida

Alcohol addiction is one of the most common grounds for involuntary commitment petitions in Florida. Courts recognize that alcohol use disorder can rapidly escalate and create imminent danger.

Alcohol withdrawal is medically serious. Severe withdrawal can cause seizures, hallucinations, and a condition called delirium tremens—all life-threatening emergencies. When you document that your loved one has experienced or is at risk of dangerous withdrawal symptoms, courts take that threat seriously when evaluating whether commitment is necessary.

In the involuntary commitment cases we handle involving alcohol, evidence typically includes DUI arrests, medical records showing liver damage or other alcohol-related complications, documented behavioral incidents (violence, accidents, or reckless conduct while intoxicated), and prior treatment attempts that failed. If your loved one has been hospitalized for alcohol-related medical emergencies or has lost housing, employment, or custody due to drinking, that documentation strengthens your petition significantly.

Florida treatment facilities are well-equipped to address alcohol addiction. Many offer medically supervised detoxification followed by residential or outpatient treatment. The commitment order can specify the type of facility or level of care when appropriate.

Involuntary Commitment for Opioid Addiction in Florida

Opioid addiction—whether involving prescription painkillers, heroin, or fentanyl—has become a major driver of involuntary commitment cases in Florida. The stakes are high: opioid overdose is a leading cause of unintentional injury death in the United States, and overdose risk is a key factor Florida courts consider when evaluating imminent danger.

Medical complications from opioid use strengthen commitment cases. Respiratory depression (shallow breathing), infections from injection use, and organ damage all support the argument that your loved one faces immediate danger. Overdose attempts or near-misses are powerful evidence—they demonstrate that the person’s addiction has reached a critical threshold.

Opioid addiction often co-occurs with mental health conditions like depression, anxiety, or post-traumatic stress. This co-occurrence may affect whether involuntary commitment under the Marchman Act or guardianship under Chapter 744 of the Florida Statutes is more appropriate, or whether both are needed.

Treatment for opioid addiction increasingly includes medication-assisted treatment (MAT)—medications like buprenorphine or methadone combined with counseling. SAMHSA recognizes MAT as evidence-based treatment for opioid use disorder, and Florida treatment providers are expanding access to these options. Courts and treatment facilities in Florida increasingly support MAT as part of the recovery plan.

Involuntary Commitment for Other Drug Addictions in Florida

Cocaine, methamphetamine, benzodiazepines, and other drugs are grounds for involuntary commitment when they meet the legal standard of imminent danger or inability to manage personal care.

Stimulant addictions (cocaine and methamphetamine) often present acute behavioral and safety risks. Users may experience paranoia, aggression, or reckless decision-making that puts them or others at immediate risk. Courts weigh these behavioral dangers heavily when evaluating commitment petitions.

Benzodiazepine addiction carries medical withdrawal risks similar to alcohol—seizures and dangerous vital sign changes. When documented, benzodiazepine withdrawal strengthens the case for commitment because it shows imminent medical danger.

Polydrug use (using multiple substances) complicates the clinical picture. Your loved one may be mixing alcohol with opioids, or benzodiazepines with stimulants. This polydrug pattern increases overdose risk and medical instability, which courts recognize as grounds for commitment.

Evidence of drug-related harm supports your petition: arrests, overdose attempts, emergency room visits, loss of housing or custody, job loss, or documented medical emergencies. The more specific and recent the documentation, the stronger your case.

How the Legal Process Differs (or Stays the Same) by Substance

The Marchman Act petition process itself does not change based on the substance. You file the same petition form, follow the same procedural timeline, and meet the same legal standard.

What changes is the evidence. Medical evaluation and expert testimony focus on substance-specific dangers. For opioids, testimony may emphasize overdose risk and the medical complications of injection use. For alcohol, it may address withdrawal complications. For stimulants, it may focus on behavioral danger and acute psychiatric symptoms.

The type of facility and treatment program available may also vary. Some facilities focus on opioid addiction and offer MAT. Others focus on alcohol detoxification and residential treatment. Some address dual-diagnosis cases (addiction plus mental health conditions). Your attorney can help identify appropriate facilities and ensure the commitment order specifies the right level of care.

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Gathering Evidence for Your Petition: Substance-Specific Documentation

Strong evidence is the foundation of a successful petition. Here’s what matters by substance:

Alcohol: DUI records, medical records showing liver disease or other alcohol-related illness, witness accounts of dangerous intoxicated behavior, prior treatment attempts and their outcomes, and documentation of job loss, family breakdown, or loss of custody.

Opioids: Overdose attempts or near-misses (with dates and circumstances), medical records of infections, abscesses, or respiratory issues, evidence of escalating use, prior treatment attempts, and any emergency room visits for overdose or overdose-related complications.

Other drugs: Arrest records, emergency room visits, documented behavioral incidents, evidence of job loss or housing instability, prior failed treatment attempts, and witness accounts of dangerous behavior.

Medical records and statements from healthcare providers carry significant weight regardless of the substance. Documentation of prior treatment attempts—and why they failed—strengthens the argument that involuntary commitment is now necessary.

When to Seek Emergency Temporary Commitment vs. Longer-Term Commitment

Emergency temporary commitment is used when there is immediate danger: active overdose risk, acute intoxication with violent or dangerous behavior, or a medical crisis like alcohol withdrawal or opioid-induced respiratory depression.

Substance-specific factors affect which type of commitment is appropriate. Opioid overdose or alcohol withdrawal may justify emergency intervention because the medical danger is immediate. Other drugs may present acute behavioral crises that also warrant emergency action.

Longer-term (plenary) commitment is pursued after emergency stabilization if the person still meets the legal standard and treatment is needed. Your attorney can advise whether emergency temporary commitment or a standard petition is the right first step for your situation.

Working With an Attorney on Substance-Specific Commitment Cases

An attorney familiar with involuntary commitment can help you gather substance-specific evidence and frame your petition effectively. Different substances require different expert testimony and medical documentation. An experienced attorney knows what courts expect and how to present your case persuasively.

Robinson & Casey handles involuntary commitment petitions for alcohol, opioid, and other drug addictions across Florida. We help families understand whether involuntary commitment is appropriate, gather the necessary evidence, and navigate the petition process.

Wooden gavel on round surface with folders on courtroom table, overhead view.

Frequently Asked Questions

Can you involuntarily commit someone for alcohol addiction in Florida?

Yes. Alcohol addiction is grounds for involuntary commitment under the Marchman Act if the person is unable to manage personal care or poses a threat to self or others.

What is the legal standard for involuntary commitment for opioid addiction?

The same as for any substance: the person must be unable to manage personal care due to opioid use, or pose a threat to self or others. Overdose risk and medical complications are key evidence.

How is the process different for different drugs?

The petition process is the same; the evidence and medical focus differ. Alcohol cases emphasize withdrawal risk, opioid cases emphasize overdose risk, and stimulant cases often emphasize behavioral danger.

What evidence do I need for a Marchman Act petition?

Medical records, prior treatment attempts, documentation of substance-related harm (arrests, job loss, medical emergencies), and witness accounts of dangerous behavior all strengthen your petition.

Can someone be committed for addiction if they also have a mental health condition?

Yes. Involuntary commitment under the Marchman Act applies regardless of co-occurring mental health conditions, though guardianship may also be considered in some cases.


If you’re watching a loved one struggle with alcohol, opioids, or another drug addiction and wondering whether involuntary commitment might help, families in your situation can reach out to us. Contact Robinson & Casey to discuss your circumstances and explore what may be possible. Call (561) 849-4700 or schedule a consultation.

The information on this website is for general informational purposes only and does not constitute legal advice or create an attorney-client relationship. Results in prior cases do not guarantee similar outcomes in future matters. Please consult a licensed Florida attorney for advice specific to your situation.

Time Matters

Marchman Act petitions move quickly through Florida courts. The sooner you file, the sooner a judge can order an evaluation and treatment. If you believe someone is in immediate danger, call 911 or contact us right away.

How Involuntary Commitment Works

File a Petition

A family member or concerned person files a Marchman Act petition with the court, alleging the person cannot manage personal care or poses a threat due to substance use.

Court Review & Hearing

A judge reviews the petition and may order an immediate evaluation. A hearing follows where evidence is presented and the person has the right to respond.

Treatment Order

If the court finds grounds, it can order the person into treatment—inpatient, outpatient, or both—for up to 60 days initially, with possible extension.

Legal Representation

Robinson & Casey prepares the petition, gathers supporting evidence, and represents you throughout the process to help the court understand the need for intervention.

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Why Choose Robinson & Casey

Focused Practice

We focus exclusively on Marchman Act petitions and guardianship matters. This narrow focus means we know Florida's involuntary commitment law inside and out.

Statewide Service

We serve families across South Florida and throughout Florida, handling petitions in courts statewide.

Direct Access

Call us directly at (561) 849-4700 to speak with someone who understands your situation and can explain your options.

Advocacy for Your Family

We advocate for your family's interests and work to ensure the court has the facts it needs to make an informed decision.

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