Thiothixene (Navane): How This Antipsychotic Works, Dosing, and When Telehealth Is Enough

Last updated: August 23, 2026

Thiothixene is a first-generation (conventional) antipsychotic used to treat symptoms of schizophrenia. The brand name was Navane. That brand is off the market; generic capsules may still be available. It is not a controlled substance. Clinicians often reach for later antipsychotics first because they usually cause fewer movement side effects. If you already take thiothixene, or a clinician is considering it, you need the label facts: how often you take it, what the boxed warning says, and which symptoms belong in an emergency room instead of a video visit.

Klarity Health connects adults with 2,000+ licensed providers for online mental health care. Coverage varies by plan. Verify benefits before you book. If you are in crisis, call or text 988.

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TL;DR

• Thiothixene treats schizophrenia. It is a thioxanthene conventional antipsychotic, grouped with drugs such as chlorprothixene, not a second-generation “atypical.”
• Navane is discontinued. Generics may still exist. DEA schedule: none.
• Capsules: 1, 2, 5, or 10 mg. Mild start is often 2 mg three times daily, sometimes up to 15 mg per day. Severe start is often 5 mg twice daily. Usual target is 20 to 30 mg per day; 60 mg per day is a typical ceiling. Not recommended under age 12.
• Boxed warning: higher death risk in older adults with dementia-related psychosis. Not FDA-approved for that use.
• Telehealth can support education, refill review, and follow-up when you are stable. New psychosis, NMS, severe EPS, or inability to stay safe need in-person or emergency care.

What is thiothixene?

According to MedlinePlus (revised November 15, 2025), thiothixene treats symptoms of schizophrenia. It belongs to the antipsychotic class and reduces abnormal excitement in the brain. You take it as a capsule, one to three times a day, at about the same times each day. The clinician usually starts low and raises the dose. It may help control symptoms; it does not cure schizophrenia. Do not stop it without talking with the prescriber.

MedlinePlus marks Navane as discontinued. Generic alternatives may still be listed.

The current DailyMed label (setid 17dbfc4c) describes oral capsules that contain 1 mg, 2 mg, 5 mg, or 10 mg of thiothixene, USP. DEA schedule: none.

StatPearls (Antipsychotic Medications) lists thiothixene with other first-generation agents in the thioxanthene group, alongside phenothiazines, loxapine, molindone, and pimozide.

Who is thiothixene for?

DailyMed indication: schizophrenia. Dose depends on how chronic and how severe the symptoms are.

It is not approved for behavior problems in older adults with dementia. MedlinePlus and DailyMed both carry the class boxed warning: older adults with dementia-related psychosis who take antipsychotics have a higher chance of death.

DailyMed contraindications include circulatory collapse, coma, CNS depression from any cause, blood dyscrasias, and known hypersensitivity. Cross-sensitivity with phenothiazines is possible but not proven; the label says to consider it.

MedlinePlus also asks you to tell the clinician about seizures, breast cancer, heart disease, alcohol withdrawal, a past need to stop a psychiatric drug because of severe side effects, pregnancy or breastfeeding plans, and upcoming surgery (including dental). Alcohol can worsen side effects. The drug can cause drowsiness and change thinking or movement, especially at the start. Rise slowly; it can cause dizziness or fainting when you stand. It can make skin more sensitive to sun and make it harder to cool down in heat.

DailyMed: do not use in children under 12. Safe use has not been established in that age group.

How clinicians usually dose thiothixene

DailyMed says to individualize the capsule dose. Start small and raise it based on response.

Milder symptoms

• Start: 2 mg three times daily.
• If needed, a later increase to 15 mg per day total is often effective.

More severe symptoms

• Start: 5 mg twice daily.
• Usual optimal dose: 20 to 30 mg daily.
• If needed, an increase to 60 mg per day total is often effective.
• Going above 60 mg per day rarely adds benefit.

MedlinePlus matches the one-to-three-times-daily capsule schedule and the low-then-up titration. Missed dose: take it when you remember unless the next dose is near; never double.

St. John’s wort can interact. MedlinePlus asks you to review that herb with the clinician before you start or continue thiothixene.

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Side effects you should know before the first dose

MedlinePlus common effects include unsteadiness, blurred vision, dry mouth, extra saliva, nausea, vomiting, constipation or diarrhea, appetite change, thirst, weight gain, a blank face, a shuffling walk, unusual or slowed movements, restlessness, trouble sleeping, swelling in the legs or arms, breast enlargement or milk production, period changes, decreased sexual ability in men, and tiredness.

Get emergency care for fever with stiff muscles, sweating, confusion, or a fast or irregular heartbeat (possible neuroleptic malignant syndrome); falls; neck cramps; a tongue that sticks out or worm-like tongue movements; throat tightness; trouble breathing or swallowing; rhythmic face, mouth, or jaw movements (tardive dyskinesia); seizures; rash or hives; or night vision changes.

Overdose (MedlinePlus): muscle twitching, drowsiness, dizziness, tight neck muscles, uncontrollable movements, extra saliva, trouble swallowing or walking, coma. Poison Control: 1-800-222-1222 or poisonhelp.org.

Home pregnancy tests can give wrong results while you take thiothixene. Do not rely on a home kit. Ask the clinician how to confirm pregnancy.

When telehealth is enough, and when it is not

Telehealth.HHS.gov explains that virtual visits can support many behavioral health needs: follow-up, medication review, and chronic-condition check-ins when you have a private space and a working connection.

A Klarity visit can help you talk through diagnosis questions, compare options, and plan follow-up if you are medically stable. A licensed clinician still decides whether thiothixene, another antipsychotic, or a different plan fits. Insurance may cover part of a visit. Plans differ. Ask about prior authorization if your PBM treats older antipsychotics as non-preferred.

Go in person or to an emergency department for first-episode or worsening psychosis with danger to self or others, suspected NMS, severe dystonia or inability to swallow, high fever, collapse, or if you cannot keep yourself safe at home. Schizophrenia care often needs labs, a full exam, and sometimes hospital-level observation. Video cannot replace that.

If you already take thiothixene and feel well, remote refill visits still need a current med list, movement screening questions, and a plan for who to call if tardive signs appear.

How Klarity can help

Klarity’s network includes 2,000+ licensed U.S. providers. You can start with a condition overview, then book a visit if a clinician agrees telehealth is appropriate. We do not promise that any plan will cover thiothixene or a specific visit type.

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FAQ

Is Navane still available?

MedlinePlus marks Navane as discontinued. Generic thiothixene capsules may still be listed. Ask the pharmacy what it can fill.

Is thiothixene a controlled substance?

DailyMed lists DEA schedule: none.

How many times a day do you take it?

Usually one to three times daily, per MedlinePlus. DailyMed mild starts often use three times daily; severe starts often use twice daily.

Can I start thiothixene online?

A telehealth clinician can discuss history and options. New schizophrenia treatment and titration often need more than a single video visit. Safety screening still applies. The label does not recommend use under age 12.

Does insurance cover it?

Coverage varies by plan and formulary. Verify benefits before you book. Klarity cannot guarantee coverage.

Disclaimer

This article is education, not medical advice, diagnosis, or a promise of treatment or insurance payment. Medication decisions belong to you and a licensed clinician. If you may harm yourself or someone else, call 911 or 988.

Sources: MedlinePlus a682867; DailyMed thiothixene capsules; StatPearls NBK519503; Telehealth.HHS.gov.