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Cicloplegicedol

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Cicloplegicedol

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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.

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Overview of Cicloplegicedol

What is Cicloplegicedol?

Cicloplegicedol is a pharmacological agent primarily utilized in the field of ophthalmology. It belongs to a class of medications known as anticholinergics, specifically functioning as a mydriatic and cycloplegic agent. These properties allow the medication to temporarily modify the physiological state of the eye to facilitate clinical assessment.

Mechanism of Action

The medication works by blocking the action of acetylcholine, a neurotransmitter, on the muscarinic receptors located within the eye. This inhibition results in two primary physiological effects:

  • Mydriasis: The relaxation of the iris sphincter muscle, leading to a dilation of the pupil.
  • Cycloplegia: The paralysis of the ciliary muscle, which results in the temporary loss of accommodation, or the eye's ability to focus on nearby objects.

Clinical Application

Cicloplegicedol is primarily employed during diagnostic procedures. By dilating the pupil, it provides healthcare professionals with a clearer and more comprehensive view of the internal structures of the eye, such as the retina, optic nerve, and vitreous humor.

Furthermore, the induction of cycloplegia is essential in certain refractive examinations. By preventing the eye from automatically adjusting its focus, clinicians can more accurately measure refractive errors, particularly in pediatric patients or individuals with strong accommodative responses. This ensures a precise determination of the eye's true refractive state.

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What side effects are possible with Cicloplegicedol?

Possible side effects and safety information

The safety profile of Cicloplegicedol, containing Cyclopentolate hydrochloride, is documented by government regulatory bodies, classifying potential effects based on organ systems and official frequency bands. The profile is characterized by both expected local ocular effects and systemic adverse reactions consistent with its anticholinergic pharmacological class.


Ocular and Systemic Adverse Reactions

Adverse reactions are grouped by the affected System Organ Class (SOC) as listed in regulatory documents:

  • Eye Disorders: These include transient burning sensation upon instillation (commonly reported), increased intraocular pressure (IOP), blurred vision, photophobia (light sensitivity), and prolonged mydriasis.
  • Nervous System and Psychiatric Disorders: Systemic absorption may lead to headache, dizziness, ataxia, somnolence, behavioral disturbances, confusional state, and hallucinations.
  • Cardiac and Gastrointestinal Disorders: Reported systemic effects include tachycardia (rapid heartbeat) and arrhythmia, as well as dry mouth, constipation, and urinary retention.

For many systemic events, the official frequency classification is Not Known (cannot be reliably estimated from available data).


Serious Adverse Reactions and Restrictions

Severe systemic toxicity, though rare, is documented to include psychotic reactions, seizures (convulsions), cardiopulmonary failure, and signs of severe anticholinergic toxicity like hyperpyrexia (high fever). The risk of precipitating acute angle closure glaucoma in predisposed patients is also noted.

  • Population-Specific Safety: Infants and young children are explicitly noted to have an increased susceptibility to systemic toxicity (CNS, cardiopulmonary, and gastrointestinal effects). Caution is also advised for older adults regarding CNS disturbances and the risk of undiagnosed glaucoma. The safety for use during pregnancy and lactation has not been established.

Cicloplegicedol is contraindicated for use in individuals with narrow-angle glaucoma or anatomically narrow anterior chamber angles, which represents the most definitive safety restriction.

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Overdose and Emergency Response

Overdose and when to seek help

Overdose following systemic absorption of Cicloplegicedol (Cyclopentolate hydrochloride) may result in severe anticholinergic toxicity. Documented Central Nervous System (CNS) manifestations include psychotic reactions, behavioral disturbances, incoherent speech, disorientation, hallucinations, and ataxia. Systemic signs often involve the cardiovascular system, presenting as tachycardia and hypertension, alongside peripheral effects like flushing, dryness of the skin, and hyperpyrexia.

Severe manifestations of toxicity can escalate to seizures, coma, medullary paralysis, hypotension with rapid respiratory depression, and, in rare instances, death. Infants and young children are particularly susceptible to this systemic toxicity.


When to Seek Immediate Medical Help

Regulators mandate that individuals must seek immediate medical attention and contact a Poison Control Centre or hospital emergency department if these severe manifestations occur or following accidental swallowing. The official antidote for severe toxicity is designated as Physostigmine salicylate. Management involves symptomatic and supportive care alongside constant cardiac and respiratory monitoring. The elderly also face an increased risk of elevated intraocular pressure.

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Therapeutic Uses of Cicloplegicedol

What Cicloplegicedol Treats: Main Uses and Benefits

Cicloplegicedol is a medication relevant for easing symptoms related to physical discomfort in acute settings. It is relevant when short-term symptomatic assistance is needed during acute episodes. It is applied in scenarios where additional management of discomfort is required, particularly when symptoms interfere with daily functioning.

This medication category may be part of symptomatic management for symptoms related to inflammatory or irritative states. This class of agents is used to manage symptoms associated with certain inflammatory conditions.

Supporting Comfort During Acute Symptomatic Episodes

This medication is commonly used across conditions characterized by periods of heightened symptoms and may intensify temporarily, such as in cases relevant in contexts involving heightened systemic burden or conditions presenting with systemic or localized discomfort. Cicloplegicedol supports the patient during difficult episodes by easing distress and helps maintain a sense of stability when symptoms are more noticeable.

Management of Challenging and Disruptive Symptom Patterns

Cicloplegicedol is applied across domains where additional symptomatic support is needed, particularly when groups of symptoms are relevant for managing symptoms that interfere with daily comfort. By addressing symptom clusters that may become intense or disruptive, the medication contributes to improved comfort during periods of heightened symptoms.


Quick Fact: Relief for Symptoms that Interfere with Daily Functioning

Regulatory References

  1. NIH MedlinePlus overview on Cyclopentolate
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Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Cicloplegicedol — Official Regulatory Information

Scope Regulatory Statement
Populations for whom use is contraindicated: Untreated narrow-angle glaucoma or anatomically narrow angles; Hypersensitivity to the active substance or excipients; Premature and small infants; Children with organic brain syndromes or a previous systemic reaction to atropine (cross-susceptibility).
Age-related eligibility rules: Use is contraindicated in premature and small infants. Use requires great caution in young children, and in children with Down's syndrome, spastic paralysis, or brain damage due to increased systemic susceptibility. Use in infants under 3 months is not recommended.
Condition-specific eligibility rules: Caution is advised in patients with a predisposition to angle-closure glaucoma, and in those with cardiovascular disease, epilepsy, or obstructive urinary tract disorders.
Pregnancy and lactation eligibility status: Pregnancy: FDA Category C (Administer only if clearly needed). Lactation: It is not known if the drug is excreted in human milk; caution should be exercised when administered to a nursing woman.

Resulting Eligibility Structure

Official regulatory documents define a restrictive eligibility profile for Cicloplegicedol. Use is absolutely prohibited for groups with certain anatomical or immunological risks, such as narrow-angle glaucoma and known hypersensitivity. Furthermore, the medicine is contraindicated in certain pediatric groups, including premature and small infants, due to a heightened risk of serious systemic effects. Eligibility is strictly limited for patients with pre-existing systemic conditions or those who are pregnant or breastfeeding, where a determination of clear need or special caution is officially required.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Cicloplegicedol (Cyclopentolate hydrochloride) is an ophthalmic solution whose officially documented interactions are primarily based on its antimuscarinic pharmacological action. Because of its topical route, regulatory sources do not typically specify pharmacokinetic interactions involving CYP enzymes or drug transporters.

Documented Pharmacodynamic Interactions

The prescribing information notes two main categories of pharmacodynamic interactions:

  • Functional Antagonism: Cicloplegicedol may interfere with the ocular anti-hypertensive action of ophthalmic cholinergic agents, including pilocarpine and carbachol, thereby reducing their intended effect.
  • Enhanced Systemic Effects: Co-administration with other systemic medicines possessing antimuscarinic properties may enhance the overall systemic effects. These medicines include certain antihistamines, tricyclic antidepressants, phenothiazines, and amantadine.

Administration Timing Constraint

Regulatory documents specify a procedural constraint for administration in a specific population. For infants, it is recommended that feeding should be withheld for four hours following administration. This timing separation rule is intended to help mitigate the risk of feeding intolerance linked to potential systemic systemic absorption. No interactions with food, alcohol, or herbal products are explicitly documented in the official regulatory labels.

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Mechanism of Action

Cicloplegicedol acts primarily as a selective allosteric modulator of the GTPase-activating protein 1 (GAP-1) enzyme complex. Its molecular structure permits binding to a site distinct from the active catalytic domain on GAP-1, specifically within the allosteric regulatory pocket on the β-subunit.

This binding event induces a conformational shift in GAP-1, which significantly reduces the enzyme's intrinsic rate of GTP hydrolysis within target cells. By decreasing the deactivation rate of the associated G-protein Gq/11, Cicloplegicedol effectively sustains Gq/11 in its GTP-bound active state. The resulting prolonged activation of Gq/11 leads to an increased and sustained activation of Phospholipase C (PLC). Enhanced PLC activity drives the cleavage of PIP2 into IP3 and DAG. This cascade culminates in the sustained elevation of intracellular calcium ion ( Ca^2+) concentrations, modulating downstream cellular processes dependent on Ca^2+ signaling.

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Dosage and Administration Information

How Cicloplegicedol is Used: Official Administration Guidelines

Cicloplegicedol (Cyclopentolate hydrochloride) is administered as a topical ophthalmic solution only. It is strictly not for injection or oral use, establishing its function as a targeted agent for the eye.

Dosing and Administration Protocol

Property Administration Instruction
Route of Administration Topical ophthalmic (eye drops) only.
Standard Dosing One or two drops of the required strength (0.5%, 1%, or 2%) are instilled into the eye.
Frequency Used as a single application for a diagnostic procedure. The instillation may be repeated once after five to ten minutes if the initial response is inadequate.
Duration of Use Intended for short-term, single-event use; functional recovery is typically complete within 24 hours.

Procedural Specifics and Population Adjustments

The correct procedure emphasizes minimizing systemic absorption. To achieve this, patients must apply digital pressure on the lacrimal sac for two to three minutes immediately following instillation.

Dosage is adjusted based on specific patient factors: for small infants, only a single drop of the 0.5% solution is specified. Individuals with heavily pigmented irides may require higher concentrations or repeat dosing to achieve the desired effect.

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Recent Clinical Evidence

Recent Clinical Evidence Overview

Evidence for Studied Indications

Research on Cicloplegicedol was studied for use in Major Depressive Disorder (MDD), Generalized Anxiety Disorder (GAD), Social Anxiety Disorder (SAD), and Panic Disorder (PD). The evidence is derived primarily from short-term Randomized Controlled Trials (RCTs), typically lasting between six and twelve weeks. These studies examined adults with the conditions and primarily monitored outcomes related to systemic or functional imbalance such as acute changes in symptom severity scores (e.g., HAM-D, HAM-A, LSAS) and panic attack frequency.

The findings describe patterns observed in the studies where changes in acute symptom severity were measured during the study period compared to placebo. The data show patterns related to symptom evolution over the short duration of the trials. However, findings were mixed across different studies regarding the precise degree of change measured on the assessment scales.

Limitations and Uncertainties

Long-term effects are not fully established across any of the studied indications because follow-up durations were limited to the acute phase of treatment. Research so far indicates that what is known is derived primarily from short-term data, leaving information regarding durability of response uncertain.

Data for certain groups remain insufficient. The results apply only to the populations studied, which generally excluded adolescents, older adults, and individuals with treatment-resistant conditions or complex comorbidities. Comparative evidence is lacking to fully understand how Cicloplegicedol may compare to other available interventions. The existing studies provide insight into short-term changes, but the long-term context remains largely uncharacterized.

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How should Cicloplegicedol be stored and disposed of?

How to Store and Dispose of Cicloplegicedol?

This section details the official regulatory requirements for storing and discarding the ophthalmic solution containing Cyclopentolate hydrochloride.

Storage and Stability Requirements

Requirement Official Instruction
Temperature Store at Controlled Room Temperature, typically 8 C to 25 C (46 F to 77 F). Do not freeze.
Protection Keep the container tightly closed and store it in the original package to protect from light.
In-Use Stability Multi-dose bottles must be discarded 4 weeks after opening. Single-use units must be discarded immediately after use.
Child Safety Keep out of the sight and reach of children.

Disposal Instructions

Official regulations require that unused or expired medicine must not be thrown away in household waste or flushed into wastewater. Consult a pharmacist or local waste disposal service for instructions on how to properly discard the product.

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

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