Cliad

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Cliad

Method of action: Psychoanaleptics

Treatment option:

Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

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 Cliad

Quick Facts

Property Description
Active Ingredients Chlordiazepoxide, Clidinium Bromide
Form Capsule
Pharmacological Class Anxiolytic and Anticholinergic (Antispasmodic)
General Purpose Integrated relief of tension and muscle spasm
Origin Synthetic compound

What Type of Medicine is Cliad (Chlordiazepoxide/Clidinium)?

The medicine is a synthetic, fixed-dose combination product designed for use in adults and dispensed as an oral capsule. This product, often recognized by the brand name Librax, is distinguished by its dual-action approach. Unlike medications containing only a single active agent, this formulation is engineered to address two major contributing factors to discomfort simultaneously. It is consistently classified as a prescription-only medicine in the U.S. and other regulated markets.

Composition and Dual Pharmacological Class

The medicine contains two principal active ingredients, each belonging to a distinct, high-level pharmacological class: Chlordiazepoxide is a benzodiazepine anxiolytic, and Clidinium Bromide is an anticholinergic or antispasmodic agent. This dual classification applies to the management of symptoms where tension and spasm coexist. This indicates that its purpose is for the control of both emotional and somatic factors.

The anxiolytic component works centrally to promote calmness. Meanwhile, the anticholinergic component is a synthetic compound that primarily works in the periphery to reduce muscle spasms and secretions. Chlordiazepoxide exhibits pharmacological properties demonstrating a calming effect.

General Purpose and Integrated Action

The general purpose of this combination is to provide integrated visceral soothing by concurrently addressing both the emotional tension and the physical cramping that often occur together. The medicine's action involves achieving CNS calming from the benzodiazepine component while simultaneously providing smooth muscle relaxation to the gut from the anticholinergic component. This dual influence is intended to relieve tension and mitigate visceral hypermotility and associated cramping.

What side effects are possible with Cliad?

Adverse Reactions and Safety Profile

Cliad is a combination drug, and its safety profile reflects adverse reactions associated with both its anxiolytic (Chlordiazepoxide) and anticholinergic (Clidinium Bromide) components, as documented in official regulatory labeling (FDA/DailyMed).


Adverse Reaction Scope

Classification System-Organ Class Involved Examples of Documented Effects
Common Nervous System Disorders, Gastrointestinal, Eye Drowsiness, ataxia, confusion, dry mouth, blurred vision, constipation, urinary hesitancy.
Infrequent Skin, Endocrine, Reproductive Skin eruptions (rashes), swelling, changes in libido, minor menstrual irregularities, nausea.
Rare/Serious Hepatobiliary, Blood and Lymphatic Jaundice, hepatic dysfunction, agranulocytosis.

Serious adverse reactions documented in regulatory sources include rare cases of agranulocytosis (a severe reduction in white blood cells), jaundice, and hepatic dysfunction. Additionally, paradoxical reactions, such as excitement or acute rage, have been reported.


Regulatory Safety Constraints and Populations

Population-Specific Safety: Older adults are cited as being at greater risk for pronounced Central Nervous System effects, including drowsiness, ataxia, and confusion. Use requires caution in patients with renal or hepatic impairment, and the medicine is generally not recommended for those with severe hepatic impairment.

Time-Related Safety Patterns: Drowsiness and confusion are most likely to occur at the start of therapy or following a dose increase. Continued use of the benzodiazepine component carries a risk of physical dependence, and withdrawal reactions may occur upon rapid dosage reduction or abrupt discontinuation.

Absolute Safety Restrictions: The product is contraindicated in patients with glaucoma (due to the anticholinergic component) and in those with obstructive urinary tract disease (e.g., prostatic hypertrophy or bladder neck obstruction) due to the risk of urinary retention.


Connection to the Overall Safety Profile

The dual classification of adverse effects across both the CNS and peripheral anticholinergic systems defines the scope of risk. The explicit listing of frequency categories, serious reactions, and specific contraindications for conditions like glaucoma structures the formal regulatory assessment. This approach highlights the importance of patient context, particularly age and pre-existing hepatic or urinary conditions, in understanding the medicine’s official safety boundaries.

Overdose and Emergency Response

Overdose Map: Overdose and when to seek help — official regulatory information for Cliad

Feature Official Regulatory Statement
Documented overdose presentations Manifestations include somnolence, mental confusion, diminished reflexes, slurred speech, and deep coma. Anticholinergic signs may present as blurred vision, dry mouth, or urinary retention.
Physiological systems affected Central nervous system, respiratory system, cardiovascular system, and autonomic nervous system.
Severe outcomes Massive overdose can lead to profound hypotension, shock, respiratory depression, and potentially fatal outcomes.
Population-specific notes Increased sensitivity to adverse effects is documented in elderly patients and those with severe hepatic impairment.
Classification Official Regulatory Statement
Emergency actions Seek immediate medical attention and contact a Poison Control Center immediately upon suspected overdose. Call emergency services if the individual is collapsed, having a seizure, or has trouble breathing.
Management constraints Treatment is symptomatic and supportive. The use of the benzodiazepine reversal agent flumazenil is generally cautioned against due to potential risks in mixed overdoses. No specific antidote is known for the clidinium component.

Connection to the overall overdose profile: The official overdose profile requires recognizing both the central nervous system depression from the benzodiazepine component and the peripheral effects from the anticholinergic component. Regulatory information specifies that symptoms can escalate rapidly to life-threatening respiratory compromise or circulatory instability. Therefore, urgent medical care is mandated when severe CNS depression or vital sign abnormalities are present.

Therapeutic Uses of Cliad

What Cliad treats: main uses and benefits

Cliad is a combination medication designed to address gastrointestinal disorders where physical symptoms are closely linked with emotional or psychological tension. It combines an antispasmodic agent with a mild anxiolytic to provide a dual approach to managing digestive discomfort.

Primary Indications

The medication is primarily used to manage symptoms associated with functional disturbances of the digestive tract. These conditions often involve irregular muscle contractions or increased sensitivity in the gut. Key areas of application include:

  • Irritable Bowel Syndrome (IBS): Helps manage the abdominal pain, bloating, and irregular bowel habits often triggered or worsened by stress.
  • Peptic Ulcer Disease: Used as an adjunctive therapy to address the emotional components and spasms that can accompany gastric or duodenal ulcers.
  • Spastic Colon: Targets involuntary muscle spasms in the large intestine to relieve cramping.
  • Nervous Gastropathy: Addresses stomach discomfort and indigestion that arise from psychological strain or anxiety.
  • Biliary Dyskinesia: Assists in managing functional disorders of the gallbladder and bile ducts.

Therapeutic Benefits

By addressing both the physical and neurological aspects of digestive health, Cliad offers several clinical benefits:

Reduction of Smooth Muscle Spasms

The antispasmodic component works directly on the smooth muscles of the gastrointestinal tract. By promoting relaxation in these muscles, the medication helps alleviate colicky pain, cramping, and the sensation of pressure in the abdomen.

Management of Somatic Anxiety

Many digestive issues are exacerbated by the autonomic nervous system's response to stress. The inclusion of a mild sedative component helps stabilize this response, reducing the impact of anxiety on gut motility and sensitivity.

Improved Quality of Life

By stabilizing digestive function and reducing the frequency of painful episodes, the medication aims to help individuals maintain their daily routines with fewer interruptions caused by gastrointestinal distress.

Eligibility and Restrictions for Use

This information details the official patient eligibility and non-eligibility for Cliad (Chlordiazepoxide and Clidinium Bromide combination product) strictly according to regulatory labeling.

Contraindicated Populations

Patients must not use this medicine if they have:

  • Glaucoma (specifically angle-closure).
  • Prostatic Hypertrophy (enlarged prostate) or Benign Bladder Neck Obstruction.
  • Known Hypersensitivity/Allergy to either drug component.

Special Population Restrictions

Use is subject to special precaution or is not recommended for certain groups:

Population Regulatory Status Constraint/Limitation
Pediatric Patients Safety/Efficacy Not Established Not approved for use in those under 18 years old.
Geriatric/Debilitated Caution Required Dosage must be limited to the smallest effective amount due to increased risk of side effects like oversedation.
Pregnancy (First Trimester) Use Should Be Avoided Associated with an increased risk of congenital malformations; chronic use later in pregnancy may lead to neonatal withdrawal symptoms.
Lactation/Breastfeeding Not Recommended Components may be excreted in human milk, and the anticholinergic agent may inhibit milk production.
Hepatic/Renal Impairment Precautions Required Use with caution, as slower drug removal may increase effects.

Eligibility is also strictly limited by a patient's history of drug abuse or dependence due to the benzodiazepine component's risk of addiction.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Cliad

The interaction profile is primarily defined by the combined activities of its two components: the central nervous system (CNS) depressant and the peripheral anticholinergic.

Interaction Scope

Category Official Regulatory Statement
Medicinal product categories with documented interactions Opioid Analgesics, Other CNS Depressants (e.g., neuroleptics, hypnotics, sedatives), Other Anticholinergic Agents, Potentiating Compounds (e.g., MAOIs, Phenothiazines), and Oral Anticoagulants.
Mechanistic basis of interactions Additive CNS depressant effects (Pharmacodynamic) and Anticholinergic potentiation (Pharmacodynamic).
Population-specific interaction notes Geriatric and debilitated patients are noted to have an increased risk for developing oversedation, confusion, or ataxia. Reduced clearance in those with hepatic or renal impairment may increase the effects of the medicine.
Interaction-related restrictions The product is contraindicated in the presence of Glaucoma, Prostatic Hypertrophy, and Benign Bladder Neck Obstruction. Concomitant use with Alcohol must be avoided due to enhanced sedative effects.

Interaction Classifications (High-Level)

Interaction severity classification notes a risk of profound sedation, respiratory depression, coma, and death when used with opioids, as prominently detailed in regulatory warnings.

Official Interaction Statements:

  • The co-administration of the product with Opioid Analgesics carries a risk of profound sedation and respiratory depression.
  • Concomitant intake of Alcohol is noted to enhance the sedative effect, compromising mental alertness.
  • Combining the product with other CNS depressants may intensify central depressive effects.
  • The anticholinergic component necessitates formal contraindications for patients with glaucoma and bladder neck obstructions.
  • Variable effects on blood coagulation have been reported very rarely in patients receiving oral anticoagulants.

Connection to the overall interaction profile: Regulatory documentation structures the product's profile around a serious risk of pharmacodynamic potentiation involving CNS-depressing substances. Secondary restrictions are tied to the anticholinergic component, requiring avoidance in specific patient conditions where peripheral effects are detrimental.

Mechanism of Action

How Cliad Works

Cliad is a nitrogen-containing bisphosphonate that exhibits a high affinity for the mineral phase of bone. It specifically targets and binds to hydroxyapatite crystals on the bone surface, leading to localized accumulation at sites undergoing active bone resorption. The compound is subsequently internalized by osteoclasts, the cells responsible for dissolving bone material.

Once inside the osteoclast, Cliad acts as a selective inhibitor of the enzyme farnesyl pyrophosphate synthase (FPPS), a critical component of the mevalonate pathway. FPPS inhibition prevents the synthesis of isoprenoid lipids necessary for the post-translational modification, known as prenylation, of small signaling GTPases (including Rho, Rac, and Cdc42).

The resulting lack of GTPase prenylation inactivates these proteins, which are essential for maintaining the osteoclast's cytoskeletal integrity and the formation of the ruffled border required for resorption. Disruption of these intracellular processes ultimately induces osteoclast apoptosis (programmed cell death), leading to a reduction in the rate of bone turnover and a net modulation of bone mineral density.

Dosage and Administration Information

How Cliad is Used: Administration Guidelines

The administration of Cliad, a fixed-dose combination product containing Chlordiazepoxide and Clidinium Bromide (5 mg/2.5 mg), is defined by a structured, divided daily regimen. This medicine is formulated as a capsule and is intended for oral use.


Standard Dosage and Timing

Usage typically involves taking one or two capsules per dose administration. The schedule requires a divided daily dose, meaning the medicine is generally taken three or four times a day.

Crucially, the timing of administration is coordinated with food intake and sleep. Each scheduled dose is taken before meals and at bedtime to align with the intended use pattern.


Population-Specific Dosing and Discontinuation

For older adults and debilitated patients, instructions specify a lower starting dose to limit initial exposure. These individuals should initially receive the smallest effective amount, generally not exceeding two capsules per day, with any subsequent increase being gradual and contingent on patient response.

Following prolonged administration of the medicine, discontinuation must be procedural. To mitigate risks, the guidance requires the dose to be withdrawn gradually (tapered) rather than being stopped abruptly. The continued requirement for the medicine is subject to periodic reassessment by a healthcare professional.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Cliad


Evidence for Use in Irritable Bowel Syndrome (IBS) and Spastic Colon

The research exploring Cliad's use in Irritable Bowel Syndrome (IBS) is primarily composed of short-term Randomized Controlled Trials (RCTs) and systematic reviews. These studies included adult populations diagnosed with IBS, a condition marked by functional limitations and symptoms that may vary in intensity. Research examined the medicine in contexts involving fluctuating or unstable symptoms, particularly focusing on outcomes related to physical discomfort, such as the frequency and intensity of abdominal cramping.

Studies focused on measuring patient-reported experiences over relatively short time intervals, typically ranging from four to six weeks. The trials described how patient-reported global symptom scores evolved during the study period. Findings described patterns observed in the studies related to outcomes capturing phases of heightened symptom activity. However, evidence quality varies across studies, and findings were mixed across the populations observed, reflecting the heterogeneous nature of the condition itself.

Evidence for Use in Peptic Ulcer Disease and Acute Enterocolitis

Research related to the adjunctive use of the combination in Peptic Ulcer Disease often stems from historical clinical trials. Studies examined outcomes related to ulcer manifestations, such as the control of gastrointestinal secretions and motility, alongside evaluation of outcomes related to physical discomfort. Research describes that the focus of these older findings was the evaluation of outcomes related to discomfort rather than direct evaluation of the process of ulcer healing. The primary evidence supporting this adjunctive use is considered historical and less contemporary.

For Acute Enterocolitis, the evidence base is more limited and has primarily been guided by regulatory recognition of the known pharmacological actions of the two components. Studies monitored outcomes related to visceral hypermotility and associated tension during the acute inflammatory phase. Dedicated high-quality RCTs specifically isolating the contribution of the combination in this context are scarce.


Long-Term Evidence and Observation Periods

Most available evidence reflects studies conducted during periods of increased symptom activity and focuses on short-term symptom changes. Because follow-up durations were limited, there is limited information for long-term outcomes. Therefore, the durability of response or the potential for extended use is not fully established by the existing research, and certainty remains low regarding effects beyond the defined time intervals of the core studies.

What is Still Uncertain About Cliad Research

Comparative evidence is lacking to definitively frame the medicine's role against newer therapeutic options across all studied indications. Furthermore, consistency across various subgroups of patients remains an area of ongoing research. Data for other specific adult populations, such as older adults, remain insufficient, and the modest sample sizes used in many reports contribute to uncertainty.

Key Studies & References

  1. A Review of Pharmacologic and Non-Pharmacologic Therapies in the Management of Irritable Bowel Syndrome: Current Recommendations and Evidence (Systematic Review Context)
  2. American Geriatrics Society 2019 Updated AGS Beers Criteria® for Potentially Inappropriate Medication Use in Older Adults (Beers Criteria/Specific Population Limitation)

Frequently Asked Questions (FAQ)

Common questions about Cliad (FAQ)

Q: What is the difference between Cliad and Librax?

A: Cliad is the combination product containing Chlordiazepoxide Hydrochloride and Clidinium Bromide. Librax is a well-known brand name for this exact fixed-dose combination, which is also available in a generic formulation.

Q: What happens if I take too much Cliad (overdose)?

A: According to official regulatory documents, an overdose may cause symptoms related to both active components. Potential effects from the chlordiazepoxide component may include somnolence (drowsiness), confusion, or coma. Manifestations reported due to the clidinium component include excessive dry mouth, blurred vision, urinary hesitancy, and constipation.

Q: How long does it take for Cliad to start working?

A: Individual response to medicines can vary, which affects the time required for symptom relief. Official pharmacological information for the chlordiazepoxide component indicates that it typically takes several hours to reach its maximum concentration in the bloodstream. Regulatory documents focus on the time required to achieve this concentration.

How should Cliad be stored and disposed of?

How to Store and Dispose of Cliad

Cliad (chlordiazepoxide/clidinium) capsules must be stored according to regulatory requirements to maintain product integrity.

Required Storage Conditions

Item Requirement
Temperature Range Store at controlled room temperature (20°C to 25°C or 68°F to 77°F).
Protection Protect from excessive heat and moisture; keep from freezing or direct light.
Container Keep in the original container, which should be tightly closed.

Child Safety and Disposal

All medication must be stored out of the reach and sight of children. To dispose of unused or expired capsules, follow official government guidelines. Do not flush Cliad down the toilet. Instead, use an authorized drug take-back program or mix the capsules with an undesirable substance and place them in a sealed container before disposal in household trash.

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

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