Arulatan

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Arulatan

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 Arulatan

Arulatan is a prescription-only ophthalmic medicine classified as a Prostaglandin Analog, used to manage internal fluid pressure within the eye. It is supplied as a sterile ophthalmic solution or emulsion, and is administered via topical ocular administration.

Property Description
Active ingredient Latanoprost (INN)
Form Ophthalmic Solution (Eye Drops) / Emulsion
Pharmacological class Prostaglandin Analog (Ocular Hypotensive Agent)
Common use Reduction of elevated intraocular pressure (IOP)
Origin Synthetic derivative (Prodrug)

What is Arulatan and Its Chemical Classification?

Arulatan is a medicinal preparation containing the single active ingredient, Latanoprost. It is a potent member of the Prostaglandin Analog pharmacological class, a category clinically recognized for achieving significant pressure reduction.

Latanoprost is a synthetic derivative and an isopropyl ester prodrug of naturally occurring Prostaglandin F2α. This specific chemical design is a key feature of the molecule, requiring it to be converted by enzymes in the cornea to the biologically active Latanoprost acid. The final formulation is optimized for local application and efficient absorption into the ocular tissues.

How Does Arulatan Generally Help the Eye?

The primary purpose of Arulatan is the sustained reduction in elevated intraocular pressure (IOP), qualifying it as an Ocular Hypotensive Agent. This capability is widely supported by pharmacological studies and recognized by regulatory bodies.

Latanoprost fundamentally works by improving the eye's natural drainage efficiency. Its core principle is to increase the outflow of the internal eye fluid, aqueous humor, primarily through the uveoscleral outflow pathway. This action controls pressure inside the eye, which is the cornerstone of managing pressure-related ocular conditions and relieving stress on the optic nerve.

What side effects are possible with Arulatan ?

Possible Side Effects and Safety Information

Arulatan's safety profile, as documented in official government regulatory sources, is primarily defined by local effects on the eye. Adverse reactions are classified by frequency categories established through clinical trials and post-marketing surveillance, such as Common (ge 1/100 to < 1/10) and Very Common (ge 1/10).

Common and Ocular Adverse Reactions

The most frequently reported events involve the eye and surrounding tissues, classified under Eye Disorders in official labeling. These often include conjunctival hyperemia (eye redness), a sensation of a foreign body in the eye, itching, or burning and stinging upon application. Other common effects are punctate epithelial keratopathy (pinpoint damage to the cornea) and blurred vision.

Classification Examples of Reactions (Regulatory Terminology)
Very Common Increased pigmentation of the iris, eyelash changes (increased length, thickness, number)
Common Conjunctival hyperemia, stinging, foreign body sensation, punctate keratitis
Uncommon/Rare Iritis/Uveitis, Eyelid edema, corneal edema/erosions, headache

Serious Adverse Reactions and Time-Related Patterns

Specific serious adverse reactions are highlighted in regulatory documents, including Macular Edema (especially cystoid macular edema), particularly in patients with known risk factors such as aphakia (absence of the lens). There is also a reported risk of Intraocular Inflammation and reactivation of Herpes Keratitis.

The official label states that the increase in iris pigmentation is likely permanent, even upon discontinuation. Conversely, changes to eyelashes (such as increased length or thickness) and the darkening of periorbital tissue are typically reversible.

Safety Considerations and Restrictions

Regulatory information notes that the medicine is not recommended during pregnancy or breastfeeding, based on animal data and the potential for metabolites to pass into milk. A restriction also exists against the concomitant use of two or more prostaglandin analogues, as official reports indicate this may cause a paradoxical increase in intraocular pressure.

Overdose and Emergency Response

Overdose and when to seek help: Official Regulatory Information

The official overdose profile for Arulatan, as documented in government regulatory labeling, distinguishes between local over-application and potential systemic exposure through accidental ingestion.

Over-application of the ophthalmic solution is associated with local and transient ocular signs, primarily conjunctival hyperaemia (eye redness) and localized ocular irritation. In the event of simple topical over-application, the official procedure is to rinse the eye with water to remove the excess dose.

Official Emergency Actions

The major overdose concern outlined in regulatory documents relates to accidental oral ingestion of the solution. If the product is accidentally swallowed, especially by a child, immediate medical attention must be sought to determine appropriate management due to the potential for systemic effects from the total dose in the container. Theoretical systemic effects, such as those noted in high-dose intravenous studies, include dizziness, nausea, abdominal pain, and potential bronchoconstriction.

  • Required Treatment: There is no specific antidote known for Latanoprost overdose, and treatment is defined as symptomatic and supportive for any resulting clinical manifestations.
  • Monitoring: The treating physician will determine the need for observation and monitoring, particularly if signs of systemic exposure or persistent local irritation are present.

Therapeutic Uses of Arulatan

What Arulatan treats: main uses and benefits

Arulatan is commonly used for managing Ocular Hypertension (OHT) and Glaucoma. These are conditions linked to organ-specific functional stress caused by elevated internal fluid pressure. The medication is applied across domains where additional symptomatic support is needed to reduce this pressure, and is relevant for conditions such as elevated intraocular pressure, Primary Open-Angle Glaucoma, and specific subtypes including Pseudoexfoliation or Pigmentary Glaucoma.

This agent is commonly used for managing symptoms related to symptoms linked to organ-specific functional stress, sometimes reaching specific clinical thresholds. For patients with OHT, the use is primarily preemptive: it assists with maintaining functional stability and is relevant for easing the physiological stress that is associated with progressive optic nerve changes. It is often used as a first-line monotherapy in adults and older adults.

“The sustained pressure control supports patients during difficult episodes by easing distress related to the potential for irreversible sight loss.”

The sustained pressure control may assist in managing symptoms that interfere with daily functioning by helping to slow the damage associated with progressive optic nerve stress and supports general well-being during symptomatic phases. It may also be used concomitantly with other pressure-lowering agents in scenarios where additional management of discomfort is required to achieve the therapeutic goal.


Quick Fact: Support for Ocular Functional Stability The treatment is relevant for easing the overall symptom burden by addressing the elevated pressure linked to organ-specific functional stress.

Regulatory References

  1. NIH MedlinePlus overview on Latanoprost

Eligibility and Restrictions for Use

Populations Who Must Not Use Arulatan (Contraindications)

Arulatan’s use is strictly defined by regulatory eligibility criteria established in official government documentation. The medicine is formally contraindicated for patients with a known hypersensitivity to the active ingredient, Latanoprost, or to any of the product's excipients, including the preservative benzalkonium chloride.


Conditional and Restricted Use

Use is not recommended or must be avoided in several populations. The medicine should not be used during pregnancy or by breast-feeding women, as the safety status in humans has not been established and metabolites may enter breast milk. Patients with active herpes simplex keratitis or active intraocular inflammation (such as iritis or uveitis) must also avoid use. Furthermore, caution is required for patients with a history of intraocular inflammation or those with specific risk factors for macular edema, such as aphakic or pseudophakic patients with a torn posterior lens capsule. Contact lenses must be removed before administration and reinserted after 15 minutes.


Age-Group Eligibility

Arulatan is approved for use in adults and older adults. While use is permitted in pediatric patients, regulatory documents specify that data on efficacy and safety are very limited for children under one year old, and no data are available for preterm infants (less than 36 weeks gestational age).

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction scope

Medicinal product categories with documented interactions:

  • Prostaglandin Analogs or Derivatives
  • Topical Ophthalmic Drug Products (General)
  • Ophthalmic Solutions containing Thimerosal
  • Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)

Mechanistic basis of interactions (only if stated in label):

  • Pharmacodynamic Antagonism: Interaction with other Prostaglandin Analogs is documented to result in a decreased intraocular pressure (IOP)-lowering effect or paradoxical IOP elevation [Source: FDA/EMA Labeling].
  • Physical Incompatibility: In vitro studies show that precipitation occurs when Arulatan is mixed with eye drops containing the preservative Thimerosal.

Timing-based interaction rules:

  • Mandatory Administration Separation: Co-administration with all other topical ophthalmic drug products must be separated by a minimum of five (5) minutes [Source: FDA/EMA Labeling]. This separation is required to avoid dilution or physical incompatibility.

Interaction-related restrictions:

  • Do Not Combine (Pharmacodynamic): Co-administration with other prostaglandin-class ocular hypotensive agents is not recommended due to the risk of IOP-antagonism [Source: FDA/EMA Labeling].

Interaction classifications (high-level)

Interaction severity classification (as defined in official documents):

  • Not Recommended: Combination with other Prostaglandin Analogs.
  • Timing Separation Required: Combination with all other topical ophthalmic drugs.

Regulatory basis (EMA / FDA / etc.):

  • FDA Prescribing Information, EMA Summary of Product Characteristics (SmPC)

Resulting interaction structure

Official interaction statements:

  • The combined use of two or more prostaglandins, or prostaglandin analogs, is not recommended [Source: FDA/EMA Labeling].
  • If using more than one topical ophthalmic drug product, they must be administered at least five minutes apart [Source: FDA/EMA Labeling].
  • Concomitant use with certain Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) may result in variable effects on the IOP-lowering response [Source: FDA Labeling].

Connection to the overall interaction profile (2–4 sentences): The official regulatory interaction profile for Arulatan is defined by constraints related to local physical and pharmacodynamic interference specific to its topical route of administration. The primary documented constraints are the mandatory temporal separation for all co-administered eye drops and the prohibition against combining with other agents of its same pharmacological class. The minimal systemic exposure generally results in no documented conventional pharmacokinetic interactions.

Mechanism of Action

Arulatan functions through selective accumulation within bone tissue, where it is internalized by active osteoclasts. Once inside the osteoclast, the compound acts as a potent molecular inhibitor of the enzyme farnesyl pyrophosphate synthase (FPPS). This critical interaction occurs along the mevalonate pathway. The inhibition of FPPS prevents the subsequent biosynthesis of essential isoprenoid lipids, specifically farnesyl pyrophosphate and geranylgeranyl pyrophosphate. These lipids are required for the post-translational prenylation and proper function of small signaling proteins, including members of the Rho and Rac GTPase families. The resulting lack of prenylation impairs the necessary membrane localization and cytoskeletal integrity of the osteoclast. This mechanistic cascade ultimately leads to cellular dysfunction and a significant reduction in the cell's capacity for bone matrix resorption.

Dosage and Administration Information

How to use Arulatan

Arulatan is supplied as a topical ophthalmic solution or emulsion, and its usage is structured around a strict, standardized daily regimen for sustained intraocular pressure (IOP) management. The official instructions emphasize a specific administration route, dose frequency, and timing to ensure correct application and optimize efficacy over the necessary long-term course.


Entity Official Instruction
Route and Form Administered via topical ocular administration in a 0.005% solution or emulsion form.
Dosing Schedule The standard adult dose is one drop in the affected eye(s) once daily.
Timing and Frequency The medicine must be administered once daily, optimally in the evening. Dosing must not exceed this frequency, as more frequent use may lead to a reduction in the pressure-lowering effect.
Missed Dose If a daily dose is missed, the patient should skip the missed dose and continue treatment with the next scheduled dose the following evening.
Use Constraints The concomitant use of two or more prostaglandin analogs is not recommended.
Procedural Steps Contact lenses must be removed prior to administration and can be reinserted 15 minutes afterward. Any other topical eye products must be instilled at least five (5) minutes apart from Arulatan.

The administration protocol defines a single-dose, local application pattern essential for maintaining the intended therapeutic effect over the long term. This strict adherence to once-daily evening dosing and specific administration procedures is the foundation of the official use protocol described in standard documentation.

Recent Clinical Evidence

Research evidence / Overview of studies for Arulatan

Evidence for use in Primary Open-Angle Glaucoma and Ocular Hypertension

Research was studied for Arulatan's active ingredient (Latanoprost) primarily through high-quality Randomized Controlled Trials (RCTs). These studies typically compare the active ingredient to a placebo or to other active comparator eye drops. The focus of this research was evaluated in Adults and Older Adults diagnosed with Primary Open-Angle Glaucoma (POAG) and Ocular Hypertension (OHT).

The main outcomes related to systemic or functional imbalance that research examined involved the measurement of Intraocular Pressure (IOP), tracking mean change from baseline and the proportion of subjects reaching a specific target pressure. Evidence includes a substantial number of RCTs and comprehensive meta-analyses. However, comparative evidence against newer anti-glaucoma treatments is limited.

Evidence for use in Supporting Functional Stability via Sustained Pressure Control

Studies have explored how the use of Latanoprost was associated with patterns of long-term functional stability, particularly in patients with POAG. This research primarily involved Long-term Retrospective and Observational Cohort Studies. The research examined functional measures, such as stability in the optic nerve's physical structure and the rate at which visual field status may evolve, tracking them alongside sustained IOP measurements. Because these studies are observational, it is not yet clear how much these findings can be attributed to Latanoprost alone.

Long-Term Studies and Follow-up Data

Typical short-term RCTs had follow-up durations that were limited to three to six months. Beyond this, observational research describes outcomes over extended intervals, lasting up to two and sometimes five years. This extended data helps to provide context on the sustained nature of the IOP measurements observed over time. It is important to note that long-term effects are not fully established through definitive, randomized, head-to-head trials.

Evidence in Specific Patient Groups

Arulatan was evaluated in studies focused on Adults and Older Adults and their IOP management. Evidence is limited regarding other specific groups. While some research has been studied for patients with glaucoma subtypes, data for certain groups remain insufficient. For instance, there is limited information for long-term outcomes derived directly from large RCTs focused solely on the pediatric population.

What is Still Uncertain About Arulatan Research

One primary uncertainty is the limited information for long-term outcomes from comparative studies. Specifically, comparative evidence is lacking from long-duration, randomized trials that directly track functional measures like visual field preservation. Additionally, long-term stability data is primarily from observational studies, and the evidence quality varies across studies depending on their design.

Frequently Asked Questions (FAQ)

Common questions about Arulatan (FAQ)

Q: Does Arulatan require a special diet or restrictions while taking it?

A: Regulatory documents state that interactions with this medicine are primarily related to other eye products applied topically. Because the drug is administered as an eye drop and its systemic exposure is minimal, official product information lists no known interactions with common foods or drinks.

Q: How quickly should a person expect Arulatan to start working?

A: According to the official product information, the pressure-lowering effect in the eye begins approximately 3 to 4 hours after the medicine is administered. The maximum reduction in eye pressure is typically observed after 8 to 12 hours.

Q: Can Arulatan make you feel tired or drowsy during the day?

A: Official regulatory sources primarily list adverse effects localized to the eye, such as blurred vision and irritation. While some post-marketing data mention dizziness as a rare event, regulatory information does not list common tiredness or drowsiness as an adverse reaction.

Q: Does Arulatan have any known effects on driving or operating machinery?

A: The official product information indicates that the medicine may cause temporary blurred vision immediately after the eye drop is applied. The presence of transient blurred vision means caution is recommended before engaging in activities that require visual focus, such as driving or operating machinery.

Q: What should be done if a user notices a mild side effect after starting Arulatan?

A: Official regulatory guidance advises patients to inform their healthcare provider if they notice any ocular reactions or other side effects. Reporting allows the care team to monitor the symptoms and assess the ongoing use of the medicine.

Q: Does Arulatan affect blood test results or routine medical checks?

A: Clinical data reported in official documents indicate that abnormal liver function tests may be a possible side effect of the medicine. This is a factor that may be noted during routine medical checks.

Q: Is it safe to use Arulatan if a person has kidney issues?

A: The medicine is primarily metabolized, or broken down, by the liver, and then eliminated through the kidneys. Regulatory sources state that the medicine should be used with caution in patients who have pre-existing kidney problems, as impaired function may affect how the medicine is processed.

Q: How long does the primary effect of a single dose of Arulatan typically last?

A: Studies and official information indicate that the pressure-lowering effect from one administration of the medicine is sustained for at least 24 hours. For this reason, the standard therapeutic regimen described is administration only once daily.

Q: Is Arulatan a drug that is known to be habit-forming?

A: The official product information for the active ingredient does not include any information or classification indicating that the medicine has potential for abuse or habit formation.

Q: Is Arulatan known to cause any skin reactions or rashes?

A: Yes, official clinical data lists allergic skin reactions and rash as a common side effect. Additionally, darkening of the skin around the eyelids (periorbital tissue) is a reported change in post-marketing surveillance.

Q: Does taking Arulatan require regular follow-up appointments with a doctor?

A: Regulatory guidance advises patients to maintain regular follow-up visits with their care team. This is necessary to monitor the patient’s progress and ensure that the medicine is consistently controlling the eye pressure and checking for any potential long-term changes.

Q: Are there any specific lifestyle changes mentioned alongside taking Arulatan?

A: Specific official instructions are generally focused on the proper administration of the medicine. These include procedures like removing contact lenses 15 minutes prior to use and spacing out other eye drops by at least five minutes.

Q: Can Arulatan be safely used by people with a history of liver problems?

A: Because the medicine is primarily broken down in the liver, regulatory sources advise that it should be used with caution in individuals who have pre-existing liver problems. Impaired liver function may affect how the body processes the medicine.

Q: What are the common signs that Arulatan is starting to work as intended?

A: The intended effect of the medicine is a sustained reduction in elevated eye pressure (IOP). This effect is an internal, clinical measurement taken by a doctor and is typically not a sensation that the patient can feel or observe directly.

Q: Does Arulatan interact with any common herbal supplements or vitamins?

A: There are no specific interactions with herbal supplements or vitamins documented in the official labeling. However, regulatory authorities consistently advise patients to inform their healthcare team about all supplements they are taking.

Q: Is it necessary to stop drinking alcohol entirely while using Arulatan?

A: Due to the medicine being a topical eye drop and its minimal systemic exposure, official regulatory labeling does not contain specific warnings or requirements to stop drinking alcohol entirely.

Q: Is Arulatan available as a generic version, or is it only available as a brand name?

A: The active ingredient in the medicine, Latanoprost, is available as an FDA-approved generic ophthalmic solution. Therefore, both the original brand name product and generic versions are available.

Q: What should a patient know about stopping Arulatan treatment?

A: The medicine is intended for sustained, chronic use to manage eye pressure. Official information advises that patients should only discontinue the medication when advised by a healthcare professional, as stopping treatment may cause the elevated eye pressure to return.

Q: Does Arulatan have any potential for misuse?

A: The official product information does not list the drug as having potential for abuse or misuse.

Q: What is the significance of the box warning (if any) associated with Arulatan?

A: According to the official FDA prescribing information, Arulatan does not carry a formal Boxed Warning (often called a Black Box Warning). This indicates that the medicine is not subject to the most severe level of warning required by the FDA.

How should Arulatan be stored and disposed of?

Official Storage and Handling Requirements

Regulatory agencies specify distinct storage and handling requirements for latanoprost (the active ingredient in Arulatan) to ensure stability and safety.

Condition Requirement
Unopened Bottles Store under refrigeration, typically between 2 C and 8 C (36 F and 46 F).
Opened Bottles (In Use) Store at room temperature, up to 25 C (77 F).
In-Use Stability Discard the opened container after six (6) weeks.

Protection and Handling

  • Light Protection: The product must be protected from light.
  • Handling: To prevent contamination, avoid contact between the dispensing tip of the container and the eye or surrounding structures.
  • Child Safety: All medication must be kept out of the sight and reach of children.

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

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