Artine

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Artine

Artine is a prescription-only medication primarily used for the symptomatic management of movement disorders, formally classified as a potent anticholinergic agent. Its role as an antiparkinson agent reflects its focused mechanism in the central nervous system, aiming to restore balance to nerve signals. This medication is available for oral administration in the form of both a tablet and a liquid elixir.


Quick Facts: Artine (Trihexyphenidyl)

Property Description
Active ingredient Trihexyphenidyl hydrochloride (Benzhexol)
Form Tablet, Elixir (Liquid Solution)
Pharmacological class Anticholinergic Agent (Antimuscarinic)
Common use Symptomatic management of movement disorders
Origin Synthetic tertiary amine

Artine's Pharmacological Class and Therapeutic Category (Classification)

The active substance in Artine is Trihexyphenidyl hydrochloride, a compound recognized generically as Trihexyphenidyl or benzhexol. This substance is a synthetic tertiary amine, confirming its chemical origin as a controlled, manufactured compound.

Artine belongs to the anticholinergic class, specifically functioning as an antimuscarinic drug, giving it its medical designation as an antidyskinetic agent. The drug is classified under the Anatomical Therapeutic Chemical (ATC) code N04AA01, identifying it as a centrally acting anticholinergic agent. It is clinically recognized for its efficacy as an adjunct treatment in managing various forms of parkinsonism.


What is the General Purpose of Trihexyphenidyl? (Function and Benefit)

The general purpose of Trihexyphenidyl is to promote improved muscle control and reduce involuntary, rigid, or stiff movements, such as those associated with drug-induced extrapyramidal symptoms. It achieves this by helping to restore the necessary neurochemical equilibrium between acetylcholine and dopamine in the basal ganglia, the brain regions critical for coordinated motor function.

Anticholinergics like Trihexyphenidyl have a long and established history of use for managing extrapyramidal symptoms. The availability of both the tablet and the elixir forms differentiates its delivery, offering adaptability for patients who may require a liquid formulation for ease of intake.

Regulatory References

  1. NIH MedlinePlus Trihexyphenidyl Drug Information
  2. NCBI Bookshelf Trihexyphenidyl
  3. PubMed Systematic Review Search for Trihexyphenidyl

What side effects are possible with Artine?

Possible Side Effects and Safety Information

Artine (Trihexyphenidyl) is an anticholinergic agent whose safety profile is defined by effects related to this pharmacological class. Adverse reactions are classified by regulatory authorities based on frequency and the physiological system affected.


Common Adverse Reactions

Many effects, experienced by a significant percentage of patients (30% to 50%), are most noticeable at the start of treatment but often become less pronounced as therapy continues. These common reactions primarily include dry mouth, blurred vision, dizziness, constipation, and nervousness.


System-Organ Classes and Less Frequent Effects

The safety profile documents effects across several System-Organ Classes. Adverse reactions affecting the Nervous System include somnolence and headache. Psychiatric disorders may involve mental confusion, agitation, or, less frequently, hallucinations and delirium. Other systems affected include the Ocular (increased intraocular tension, pupillary dilation) and Renal/Urinary (urinary hesitancy or retention) systems.


Serious Adverse Reactions and Safety Restrictions

Official labeling warns of the risk of serious complications, including Paralytic Ileus, potentially life-threatening Hyperpyrexia (severe fever/heat stroke), and the precipitation of angle-closure glaucoma. Use is contraindicated in patients with known narrow-angle glaucoma and in those with known hypersensitivity to the drug. Special safety considerations apply to older adults, who are more susceptible to CNS reactions and complications like urinary retention. Abrupt withdrawal may also be associated with the potentially severe Neuroleptic Malignant Syndrome (NMS).

Overdose and Emergency Response

Artine Overdose and When to Seek Help

The overdose profile for Artine (Trihexyphenidyl) is officially documented as severe anticholinergic toxicity, which can lead to life-threatening complications if left untreated. The presentation involves a cluster of both central and peripheral nervous system effects.

Documented Overdose Manifestations

Symptoms officially documented in regulatory sources include central nervous system (CNS) effects such as agitation, mental confusion, delirium, hallucinations, paranoia, and psychosis. Peripheral physical signs typically involve mydriasis (dilated pupils), hyperthermia (high fever), tachycardia (fast heart rate), dryness of mucous membranes, and difficulty with urination or reduced gastrointestinal motility.

Severe Outcomes and Required Emergency Actions

Untreated overdose may progress to severe systemic events, including cardiovascular collapse, respiratory depression, seizures, coma, and death. Due to the risk of these outcomes, immediate medical help is required. If the affected person collapses, has a seizure, or has trouble breathing, emergency services (911) must be called immediately. For all suspected overdoses, the Poison Control Helpline (1-800-222-1222) must be contacted.

Overdose management in a medical setting includes continuous cardiac monitoring, symptomatic and supportive care, cooling measures for hyperthermia, and the possible use of the anticholinesterase agent Physostigmine for severe central toxicity. Official labeling notes that the risk of death from untreated overdose is heightened especially in children, who are particularly sensitive to the medication’s hyperthermic action.

Therapeutic Uses of Artine

What Artine Treats: Main Uses and Benefits

Artine (Trihexyphenidyl) is commonly used to help manage symptoms associated with movement disorders within its therapeutic areas. It is applied across domains where additional symptomatic support is needed, focusing on manifestations that cause functional strain and patient distress.


Key Therapeutic Applications

The medication is considered relevant for managing symptoms that interfere with daily functioning in conditions characterized by periods of heightened symptoms such as Parkinsonism (including Idiopathic and Postencephalitic forms), certain forms of dystonia, and drug-induced extrapyramidal symptoms (EPS). These applications address symptoms of increased neurological or muscular activity, including tremor, muscle rigidity, and painful, acute spasms.

Artine is often used during phases when symptoms become more noticeable to assist with symptom stabilization and to help patients cope more steadily with these fluctuations. This supportive benefit contributes to improved comfort and assists with maintaining functional stability.


Quick Fact: Supportive Relief for Motor Symptoms

Symptom Domain Artine's Role
Muscle Rigidity May assist with moderating stiffness and resistance in movement.
Involuntary Movements May be part of symptomatic management for shaking and spasms.
Bradykinesia Supports functional stability during periods of motor difficulty.

Eligibility and Restrictions for Use

Eligibility for Artine (Trihexyphenidyl) Use

Official regulatory documents define strict criteria for who is eligible to use Artine. The medicine is indicated for adults with various forms of parkinsonism and drug-induced extrapyramidal disorders.

Absolute Non-Eligibility (Contraindications)

Artine is contraindicated and must not be used in two primary populations: patients with a known hypersensitivity to trihexyphenidyl or any of its ingredients, and patients diagnosed with narrow-angle glaucoma. Use in the latter group is prohibited due to the risk of precipitating angle closure.

Restricted and Conditional Use

Population Group Regulatory Status
Pediatric Use Use is generally not recommended; safety and efficacy are not fully established in children.
Older Adults (over 60) Requires strict dosage regulation and close monitoring due to increased sensitivity.
Pregnancy/Lactation Not to be used unless clearly necessary during pregnancy; generally not recommended during breastfeeding.
Comorbidities Caution is required for patients with obstructive diseases of the urinary or gastrointestinal tracts, arteriosclerosis, and certain cardiac, renal, or hepatic disorders.

Use is also not recommended for patients with Tardive Dyskinesia, as the drug may aggravate the condition. The overall eligibility profile is structured around avoiding use in high-risk populations and ensuring strict conditional use where caution is advised.

What should I know about interactions with other medicines?

Artine Interactions with other medicines and products

The interaction profile for Artine (Trihexyphenidyl) is defined by its potential for additive effects and its impact on the absorption of co-administered medications. All documented interactions stem from its anticholinergic properties, as outlined in official prescribing information.


Pharmacodynamic Interaction Categories

Co-administration with other parasympathetic inhibitors or medicinal products that possess anticholinergic activity (such as tricyclic antidepressants or phenothiazines) may intensify peripheral anticholinergic effects. This results from pharmacodynamic synergism and is classified as a clinically significant interaction by regulatory authorities. Similarly, combining Artine with CNS depressants (including barbiturates, opiates, and alcohol) can cause additive sedative effects and increase the risk of central nervous system depression, as stated in regulatory documents. Patients are cautioned against the use of alcohol due to the potential for enhanced sedative effects.


Exposure and Timing Constraints

Artine may reduce the systemic exposure of Levodopa through a pharmacokinetic interaction by delaying gastric emptying, which hinders Levodopa's gastrointestinal absorption. Concurrently, the use of both medications may increase drug-induced involuntary movements, and the co-administration is noted to require careful adjustment of both doses. For administration tolerability, Artine may be taken before meals to reduce excessive dry mouth or after meals to minimize nausea, based on official instructions.


Population-Specific Notes

Official labeling notes that geriatric patients (aged 60 and older) frequently develop an increased sensitivity to drugs of this class. Therefore, the outcomes of the documented interactions with CNS depressants and other anticholinergic agents may be more pronounced and require greater regulatory caution in this population.

Mechanism of Action

Central Neurotransmitter Balance Restoration

This domain describes Artine's primary action as a competitive antagonist at central Muscarinic Acetylcholine Receptors ( M1 and M4). The resulting receptor blockade suppresses the cholinergic signaling in the basal ganglia, which results in the modulation of the acetylcholine/ dopamine neurochemical equilibrium.


Modulating Involuntary Motor Signaling

Artine's mechanism focuses on the functional suppression of excitatory cholinergic drive within the striatum's motor circuits . By modifying this molecular step, the drug initiates a cascade that dampens the abnormal electrical activity patterns in motor circuits, resulting in modulated signal transmission within motor pathways.


Mechanistic Limitations and Scope

While modulating the ACh/ DA balance, the mechanism can experience tolerance and may exhibit reduced effect in motor pathways driven predominantly by severe dopamine depletion. The precise extent of non-muscarinic activity associated with this mechanism remains an area of ongoing scientific investigation.

Dosage and Administration Information

How to Use Artine

Artine (Trihexyphenidyl hydrochloride) is administered exclusively by the oral route and is available in both tablet and elixir (liquid solution) forms. The overarching principle of its use involves a gradual dose increase, known as titration, followed by a maintenance period, with abrupt cessation always avoided to prevent symptom recurrence.

The total daily amount is typically divided into three doses and taken with meals to ensure consistent presence of the medication. For higher daily amounts, the standard pattern allows for the dose to be split into four parts, including one taken at bedtime. The timing relative to food intake is flexible: administration before meals may benefit individuals experiencing dry mouth, while taking it after meals may help mitigate feelings of nausea.

Dosing Patterns and Adjustments

Treatment initiation for conditions like idiopathic parkinsonism begins with a low dose of 1 mg per day. The dose is then slowly increased, usually in 2 mg increments every three to five days, until the required therapeutic level is reached. The typical total daily dose ranges from 6 mg to 10 mg, though up to 15 mg daily may be used for certain forms of parkinsonism. When Artine is used concurrently with levodopa, the dose of both medications often requires reduction; Artine is typically adequate at 3 mg to 6 mg daily in divided doses.

Administration for Specific Groups

For older adults (aged 60 and above), it is recommended to initiate treatment with a low dose and use gradual increments due to increased sensitivity in this population. Safety and efficacy have not been established for pediatric use.

Recent Clinical Evidence

Research evidence / Overview of Studies for Artine

Evidence for use in Parkinsonism (Idiopathic and Postencephalitic)

Research into Artine (Trihexyphenidyl) for parkinsonism has historically relied on older comparative trials and small prospective studies that was studied for how symptoms change over time in the context of specific motor symptoms. These studies primarily included adult patients with various forms of parkinsonism. The research focused on measuring changes in movement symptoms, such as tremor and rigidity, which are outcomes related to systemic or functional imbalance.

The studies monitored patterns related to measured changes in certain motor features, particularly tremor. However, the methodology of many foundational studies predate the large-scale randomized controlled trials (RCTs) typically conducted today. Therefore, evidence quality varies across studies, and the overall research often provides more of a historical context. Furthermore, the follow-up durations were limited in many formal trials, meaning that long-term effects are not fully established regarding how symptoms evolve over many years.

Evidence for use in Drug-Induced Movement Disorders (Extrapyramidal Symptoms)

Research explored conditions associated with acute or disruptive episodes, known as drug-induced extrapyramidal symptoms (EPS). This evidence landscape includes comparative trials and systematic reviews. The research was evaluated in adult patients who were taking specific central nervous system (CNS) medications that can cause these effects. Studies explored the agent as an accompanying therapy in conditions associated with acute or disruptive episodes of movement, such as sudden muscle spasms (acute dystonia) and stiffness.

What is Still Uncertain About Artine’s Research Evidence

The research evidence highlights what is known — and what is still uncertain. Key limitations include the need for more comparative evidence against newer therapeutic options and the fact that sample sizes were modest in many trials, limiting the generalizability of the findings. Specifically, there is limited information for long-term outcomes regarding the value of prophylactic use, and subgroup findings are uncertain concerning which specific forms of dystonia may respond to the agent.

Key Studies & References

  1. WHO Anatomical Therapeutic Chemical (ATC) Classification: N04AA01 - Trihexyphenidyl

Frequently Asked Questions (FAQ)

Common questions about Artine (FAQ)

Q: Does Artine treat all symptoms of the condition it is prescribed for?

A: Official documents describe Artine as an adjunct treatment primarily for specific motor symptoms. It is indicated for the control of extrapyramidal disorders, focusing on symptoms like tremor and rigidity associated with parkinsonism and movement disorders.

Q: Is Artine typically used alone or in combination with other therapies?

A: Artine is indicated for use both as initial therapy (standalone treatment) for parkinsonism and as adjuvant therapy (add-on treatment). It is often used to treat extrapyramidal symptoms that are caused by other central nervous system medications, classifying it as an add-on in those cases.

Q: Why is Artine sometimes prescribed for side effects caused by other medications?

A: Official labeling states Artine is indicated for the control of extrapyramidal disorders that are side effects of central nervous system drugs. These effects are often caused by classes of medications such as phenothiazines, thioxanthenes, and butyrophenones (antipsychotic agents).

Q: What is an 'anticholinergic' effect in the context of taking Artine?

A: Artine belongs to the class of drugs with anticholinergic properties. This means it has an inhibitory effect on the parasympathetic nervous system. This mechanism is what produces both the therapeutic effect and common side effects like dry mouth and blurred vision.

Q: What kind of evidence is available to support the general use of Artine?

A: The drug has a long and established history of use for managing movement disorders. The official documentation is based on its mechanism of action—its direct inhibitory effect on the parasympathetic nervous system—and its proven efficacy in controlling symptoms of parkinsonism.

Q: Does the effectiveness of Artine change after years of consistent use?

A: Regulatory documents indicate that the drug mechanism can lead to the development of tolerance over time. Tolerance may be associated with a reduced effect in motor pathways, which is a consideration for long-term therapy.

Q: Can Artine cause blurred vision or other general eye problems?

A: Yes, blurred vision is listed as a common side effect. Less frequent but more serious ocular effects include increased intraocular tension and the risk of precipitating angle-closure glaucoma.

Q: Is there a risk of mental changes like confusion, anxiety, or hallucinations with Artine?

A: Adverse reactions listed in official documents include mental confusion, agitation, and hallucinations. More general reactions like nervousness and anxiety are also listed as reported reactions.

Q: Does Artine affect the body's ability to regulate temperature or sweat?

A: Yes, official warnings note that Artine can increase the risk of a severe fever, known as hyperpyrexia, or heat stroke. This is related to the drug's potential to cause anhidrosis (decreased sweating), meaning caution regarding overheating is advised.

Q: Do initial side effects from Artine generally lessen or go away over time?

A: Official documentation states that minor side effects, such as dry mouth and dizziness, are commonly experienced when first starting the drug. However, these effects often become less pronounced or even disappear as treatment continues.

Q: Does Artine interact with common over-the-counter cold and allergy medicines?

A: Official warnings state that Artine's co-administration with other products that have anticholinergic activity may intensify peripheral effects. This includes many common cold and allergy medicines, which can lead to additive sedative effects.

Q: What is the official safety classification of Artine during pregnancy?

A: The official labeling advises that Artine should be used during pregnancy only if clearly necessary. This conditional use is based on balancing the potential benefits of the drug with the potential risks to the fetus.

Q: What is the official information regarding the use of Artine while breastfeeding?

A: The use of Artine is generally not recommended during breastfeeding. There is no data available on its excretion into human milk, and anticholinergic agents like Artine may potentially inhibit lactation.

Q: Can Artine be used by people who have a history of certain heart issues?

A: While not absolutely prohibited, official documents advise that patients with cardiac disorders or hypertension require close monitoring. Official information indicates close observation is generally required due to the potential for anticholinergic effects on heart function.

Q: How does Artine differ from Levodopa, which is also used for Parkinson's?

A: Artine is classified as an anticholinergic agent that acts by inhibiting acetylcholine activity in the brain. Levodopa, conversely, is a precursor drug that is converted into dopamine. The official documents describe the two as often being used concurrently, requiring careful dose adjustment.

Q: What does the official drug labeling advise about Artine and driving or operating machinery?

A: Official labeling cautions that Artine may impair mental and/or physical abilities necessary for performing hazardous tasks. The official advice states patients should avoid operating machinery or driving until they are reasonably certain the therapy does not adversely affect their abilities.

Q: Are there known withdrawal effects associated with discontinuing Artine?

A: The official label advises that abrupt withdrawal should be avoided. This is because sudden cessation may result in an acute exacerbation of parkinsonism symptoms or lead to a potentially severe reaction known as Neuroleptic Malignant Syndrome (NMS).

Q: Is Artine ever used in pediatric patients for any conditions?

A: Safety and efficacy in pediatric patients have not been established according to regulatory documents. While the use and dose must be determined by a healthcare provider, Artine is not recommended for routine use in this population.

Q: Is Artine associated with developing new mental health or psychiatric symptoms?

A: Official warnings note that psychiatric disturbances can occur, particularly when Artine is used indiscriminately or in overdosage to sustain euphoria. Patients with a history of idiosyncrasy to drugs may also exhibit reactions of mental confusion and disturbed behavior.

Q: Does Artine lose effectiveness if a person uses the generic version instead of the brand name?

A: The U.S. Food and Drug Administration (FDA) requires that a generic drug must be bioequivalent to the brand-name product. This means the generic version performs the same in the human body and is considered as safe and effective as the original product.

Q: Does Artine have any known long-term effects on dental or oral health?

A: Dry mouth is a very common side effect of Artine. Official patient guidance notes that continuing dryness of the mouth may increase the chance of dental disease, including tooth decay, gum disease, and fungus infections.

Q: Are there specific foods or beverages that need to be avoided while taking Artine?

A: Patients are cautioned to avoid the use of alcohol while taking Artine, as this may result in additive central nervous system depression (increased sedation). No other specific foods are generally cautioned against in the official labeling.

Q: Does Artine interact with over-the-counter pain relievers?

A: Regulatory documents indicate Artine has documented interactions with a large number of medications, including common drugs like acetaminophen (a pain reliever). The relevance of any interaction depends on the individual's treatment profile.

Q: What are general signs that Artine may not be effective for a person's condition?

A: Official labeling advises patients to report to their healthcare team if their symptoms do not start to get better or if they get worse after starting the medication. Also, a sudden exacerbation of symptoms is a sign of needing review, particularly if the drug is stopped abruptly.

How should Artine be stored and disposed of?

Storage Requirements for Artine (Trihexyphenidyl)

Artine, in its tablet form, must be stored at Controlled Room Temperature (CRT), which ranges from 15^circC to 30^circC (59^circF to 86^circF). The medication must be kept away from excessive heat and moisture. Storage requires a tight, light-resistant container that must remain tightly closed at all times. The liquid formulation (elixir) has the explicit requirement: do not freeze.

Child Safety and Disposal

It is mandatory to keep Artine out of the reach of children. For disposal, unused or expired medication should be taken to a drug take-back program. If a program is unavailable, official guidelines state that the product should be mixed with an undesirable substance, placed in a sealed container, and discarded in the household trash. Artine is not on the list of medicines recommended for flushing down the toilet.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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