{"id":5148,"date":"2026-10-10T02:58:55","date_gmt":"2026-10-10T02:58:55","guid":{"rendered":"https:\/\/robinsoncasey.com\/guides\/involuntary-commitment-addiction\/marchman-act-co-occurring-mental-illness-florida\/"},"modified":"2026-10-21T07:42:56","modified_gmt":"2026-10-21T07:42:56","slug":"marchman-act-co-occurring-mental-illness-florida","status":"publish","type":"page","link":"https:\/\/robinsoncasey.com\/guides\/involuntary-commitment-addiction\/marchman-act-co-occurring-mental-illness-florida\/","title":{"rendered":"Marchman Act Co-Occurring Mental Illness in Florida"},"content":{"rendered":"\n
<\/span>\"A
\n

Marchman Act Co-Occurring Mental Illness in Florida<\/h1>
schedule a consultation<\/a><\/div>
schedule a consultation<\/a><\/div><\/div>\n<\/div><\/div>\n\n\n

By Richard J. Casey III, Esq. \u00b7 Published October 10, 2026<\/p>\n\n

\n\n\n

A Marchman Act co-occurring mental illness case in Florida turns on two questions. First, does the loved one’s substance use meet the Marchman Act’s standard? Second, does the mental health condition point to the Baker Act, a guardianship, or another path? A dual diagnosis doesn’t answer either question on its own. The facts in the petition do.<\/p>\n

What the Marchman Act Covers in a Co-Occurring Case<\/h2>\n

The Marchman Act is Florida’s court process for people whose substance use impairs their ability to make safe decisions about treatment. Fla. Stat. \u00a7 397.675<\/a> sets the criteria for involuntary admission. It applies where there is a good faith reason to believe a person is substance abuse impaired, or has a substance use disorder and a co-occurring mental health disorder. The impairment must also cause the person to lose the power of self-control with respect to substance abuse.<\/p>\n

“Co-occurring” means two conditions at the same time. A loved one may have an addiction and a condition such as depression or psychosis. The statute still asks what the impairment causes. A diagnosis alone doesn’t establish the criteria.<\/p>\n

Families often ask who can file. For an adult, the statute allows a spouse or legal guardian, any relative, a service provider, or an adult with direct personal knowledge of the impairment and prior treatment to file. Fla. Stat. \u00a7 397.68112<\/a> sets out those rules. Outcomes depend on the evidence and the court’s discretion. No petition produces an automatic order.<\/p>\n\n

\"A<\/figure>\n

Marchman Act vs. Baker Act: Which Statute Addresses Which Condition<\/h2>\n

The Marchman Act addresses substance use impairment. The Baker Act addresses mental illness. Fla. Stat. \u00a7 394.463<\/a> allows a person to be taken to a receiving facility for involuntary examination. The person must have a mental illness and meet the statute’s criteria, including refusing voluntary examination after a clear explanation of its purpose.<\/p>\n

Many families ask about “5150.” That term comes from California law. Florida’s involuntary mental health examination law is the Baker Act. The two laws use different terms and structures, so don’t assume one works like the other.<\/p>\n

Key differences include:<\/p>\n