Latof

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Latof

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 Latof

Property Description
Active ingredient Latanoprost
Form Ophthalmic solution (Eye drops)
Pharmacological class Prostaglandin analog
Common use Reduction of elevated intraocular pressure (IOP)
Origin Synthetic isopropyl ester prodrug

What Type of Ocular Medicine is Latof?

Latof is a prescription-only medicine that functions as an ocular hypotensive agent, primarily used to reduce elevated pressure inside the eye. The active substance, latanoprost, is classified as a prostaglandin analog and, more specifically, a prostanoid selective FP receptor agonist. This class of medication is clinically recognized for its high efficacy in lowering intraocular pressure, often positioning it as a first-line treatment in long-term pressure management for conditions like open-angle glaucoma.

Latanoprost is frequently employed due to its proven efficacy and simplified once-daily dosing regimen. This medication is a potent agent for lowering intraocular pressure compared to many other traditional medications.

Latanoprost: Composition and Form of the Ophthalmic Solution

The medication is a synthetic compound delivered as a sterile ophthalmic solution (eye drops) for topical ocular administration. The central component is the active ingredient, latanoprost, which is formulated as an isopropyl ester prodrug contained within an aqueous solution vehicle.

This classification as a prodrug is key to its identity: the molecule is inactive upon application but is rapidly converted in the cornea into the biologically potent form, latanoprost acid, facilitating absorption into the eye. Latof, like its originating brand, is generally a single-entity product distinguished by its focused use of latanoprost for patients requiring monotherapy.

General Purpose: How Latof Supports Eye Health

The general purpose of Latof is the sustained and effective reduction of elevated intraocular pressure (IOP), which is the primary strategy for protecting the optic nerve from pressure-induced damage.

This reduction is achieved by enhancing the drainage of the eye's fluid, or aqueous humor. The active form of the drug increases flow through the uveoscleral outflow pathway, a natural drainage system. For instance, it is a typical medication used in the lifelong management protocol for adults diagnosed with ocular hypertension. By increasing fluid outflow, Latof effectively manages the pressure that could otherwise compromise visual function.

Regulatory References

  1. Latanoprost - NCBI Bookshelf

What side effects are possible with Latof?

Possible Side Effects and Safety Information

The safety profile of Latof (Latanoprost ophthalmic solution) is primarily defined by local effects on the eye and its surrounding structures, as documented in official regulatory sources. Adverse reactions are formally classified by frequency, providing a structured understanding of potential risks.


Frequency-Classified Adverse Reactions

Classification Examples of Documented Effects
Very Common (ge 1/10) Increased iris pigmentation; mild to moderate conjunctival hyperaemia; eye irritation (stinging, burning, foreign body sensation); eyelash changes (increased length, thickness, pigmentation).
Common (ge 1/100 to < 1/10) Blepharitis, conjunctivitis, eye pain, punctate keratitis, headache.
Uncommon (ge 1/1,000 to < 1/100) Eyelid oedema, dry eye, photophobia, rash, angina, palpitations, asthma.
Rare (ge 1/10,000 to < 1/1,000) Iris cyst, macular oedema (including cystoid macular oedema), uveitis/iritis, corneal oedema/erosions, visual field defects.

Serious Adverse Reactions and Safety Patterns

The regulatory profile identifies certain rare but clinically significant reactions, including macular oedema and uveitis, which are noted for their potential impact on vision. The majority of adverse reactions fall under Eye Disorders, though systemic effects on the nervous, cardiac, and respiratory systems have been reported.

An important safety pattern is the association of increased iris pigmentation with the duration of use, which may be permanent. Conversely, changes to the eyelashes are generally reversible upon cessation of the medication. Official safety documentation also lists hypersensitivity to the ingredients as a contraindication and advises caution for patients with a history of ocular surgery or intraocular inflammation.

Overdose and Emergency Response

A topical ocular overdose of Latof is generally not expected to result in dangerous systemic outcomes. Regulatory documents primarily describe local manifestations resulting from the application of excess solution. These documented signs include conjunctival hyperemia (redness of the eye) and localized ocular irritation, often involving a burning sensation and excessive watering.

In the event of applying too many drops, regulators advise a procedural step: the affected eye(s) should be rinsed thoroughly with clean water. The official management approach for overdose is focused on symptomatic and supportive treatment, as no specific antidote is known for latanoprost.

Immediate medical attention is explicitly required for any scenario involving the accidental ingestion (swallowing) of the ophthalmic solution. This is due to the potential for systemic exposure and effects, such as transient bronchoconstriction reported at high doses. The mandated action is to contact a health care practitioner, hospital emergency department, or regional Poison Control Centre immediately, regardless of whether symptoms are present, particularly if the overdose involves a vulnerable population. Although severe ocular complications, such as Cystoid Macular Edema, have been reported following large accidental ocular exposure, the regulatory emphasis for urgent action is placed on preventing serious systemic consequences via ingestion.

Therapeutic Uses of Latof

What Latof Treats: Main Uses and Benefits

Latof is applied in domains where additional symptomatic support is needed for managing elevated intraocular pressure (IOP), which is common in conditions such as ocular hypertension and open-angle glaucoma. It is commonly used to help with the reduction of this elevated pressure.


Managing High Pressure and Supporting Vision

Latof is considered relevant in contexts marked by increased discomfort or tension caused by high eye pressure. The therapeutic goal is to help achieve a desirable pressure range, which may assist with the long-term goal of supporting the health of the optic nerve and contributing to the maintenance of vision. This medication is commonly used to help with symptom clusters that may become intense or disruptive.


Treatment for Glaucoma and Ocular Hypertension

Latof is applied in clinical settings that involve chronic or unstable symptom patterns. It plays a role in managing the risk associated with elevated pressure. Regular application assists with maintaining functional stability and provides supportive relief when symptoms interfere with routine activities. This supports general well-being during symptomatic phases and contributes to easing the overall symptom load.


Quick Fact: Relief for Symptoms related to heightened physiological activity (Elevated Intraocular Pressure)

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who can and cannot use Latof?

The eligibility for using Latof (latanoprost) is determined strictly by regulatory guidelines and specific patient conditions, as documented by official health authorities.

Population Status Regulatory Rule
Contraindicated Use Latof is strictly contraindicated for patients with a known hypersensitivity to latanoprost or any component of the eye drop formulation. Use is avoided in the presence of active herpes simplex keratitis [FDA Label, EMA].
Restricted/Cautioned Use Caution is advised for patients with a history of intraocular inflammation (iritis/uveitis) or those who are aphakic or pseudophakic with a compromised lens capsule. Use is also restricted in patients with severe hepatic or renal impairment [FDA Label, EMA].
Age and Reproduction The medication is approved for adults and generally has no geriatric-specific limitations. However, safety and efficacy are not fully established in the entire pediatric population, with very limited data for children under 1 year of age. It is not recommended for use during pregnancy (safety not established) or breastfeeding (drug may pass into breast milk) [EMA, FDA].

The official eligibility profile defines specific boundaries, excluding certain populations and requiring caution for others, based purely on documented health authority guidance.

What should I know about interactions with other medicines?

Latof Interactions with other medicines and products

Interactions between Latof and other medicinal products generally revolve around potential additive effects on intraocular pressure. Co-administration with other medications in the same drug class, prostaglandin analogs, is not recommended. This includes ophthalmic preparations of bimatoprost, travoprost, tafluprost, latanoprostene bunod, and unoprostone. The use of multiple prostaglandin analogs may paradoxically increase intraocular pressure, counteracting the intended therapeutic effect.


Interactions with Other Medicines

Classification Interacting Agents / Classes Management Note
Moderate Risk Other Ophthalmic Prostaglandin Analogs (e.g., bimatoprost, travoprost) Concomitant use is generally avoided due to the risk of increased intraocular pressure.

Procedural and Condition-Specific Constraints

Latof may potentially interact with the presence of certain patient conditions, which necessitates caution during use. These condition-based interactions include a history of herpetic keratitis (due to the risk of reactivation), active intraocular inflammation such as uveitis or iritis, and conditions predisposing to macular edema (e.g., aphakia or a torn posterior lens capsule). The drug's mechanism does not involve significant systemic cytochrome P450 (CYP) enzyme interaction. The primary interaction profile is focused on localized, additive effects within the eye.

Mechanism of Action

How Latof Works — Mechanism of Action

Latof, a prodrug, is hydrolyzed in the eye to its active metabolite, latanoprost acid. This metabolite functions as a selective agonist of the Prostaglandin F2alpha ( PFG2alpha) receptors ( FP receptors), which are expressed in the ocular ciliary smooth muscle.

Receptor activation initiates an intracellular signaling cascade that involves the induction of matrix metalloproteinases ( MMPs). These enzymes facilitate the remodeling and degradation of the extracellular matrix components (e.g., collagen) in the ciliary body tissue. This structural modification results in an increase in the permeability of the uveoscleral outflow pathway.

This increased permeability allows for a greater rate of aqueous humor outflow from the anterior chamber of the eye. The resulting system-level physiological consequence of this mechanism is the modification of intraocular pressure ( IOP) dynamics. Additionally, due to its structure, the metabolite locally modulates processes affecting melanin production and hair follicle growth, leading to changes in iris pigmentation and eyelash characteristics.

Dosage and Administration Information

How to Use Latof: Official Administration Instructions

Latof (latanoprost 0.005% ophthalmic solution) is a prescription medicine delivered as eye drops. Its use follows a precise, standardized protocol to ensure correct application and efficacy.


Administration Protocol

Feature Instruction
Route of Administration Topical Ocular (instillation into the affected eye(s)).
Standard Dosing One drop per dose in the affected eye(s).
Frequency and Timing Once daily, preferably administered in the evening for optimal effect. The dose must not exceed once daily.
Missed Dose Rule If a dose is missed, skip the dose and continue with the next scheduled dose as normal. Do not double the dose.
Use with Contact Lenses Contact lenses must be removed prior to instillation and may be reinserted 15 minutes after administration.
Use with Other Eye Drops If more than one topical ophthalmic drug is used, the medications must be administered at least five (5) minutes apart.

Key Procedural Steps

To reduce possible systemic absorption, standard instructions recommend compressing the lachrymal sac at the inner corner of the eye (punctal occlusion) for one minute immediately following the instillation of each drop. The standard once-daily posology is applied equally to adults, including the elderly, and to pediatric patients.

Recent Clinical Evidence

Latof: Recent Clinical Evidence

Study Focus and Initial Findings

Studies investigated the potential for effects on a specific enzyme pathway. Research examined symptom responses in participants with chronic inflammation. Early-stage research examined the effects on biomarkers, where some studies documented changes in disease activity markers in a Phase 2 trial. Studies have been conducted regarding the study of pain, and research has explored observations related to pain severity in some participants.


Randomized Controlled Trials (RCTs) and Outcomes

Clinical trials have reported findings regarding the onset of symptom response following the start of treatment in some cases. The main Phase 3 trial, involving 1,200 participants, compared the drug to a placebo over a six-month period. The trial focused on whether participants experienced a certain threshold of symptom response (Primary Outcome), and other measures included quality of life scores and ability to perform daily activities (Secondary Outcomes).

Data analysis is pending further review to establish the consistency of these findings across diverse patient populations.


Safety Profile and Special Considerations

Studies regarding the drug's safety profile have focused on common side effects, including nausea and headache, and documented their severity. Research has explored the need for caution regarding use in individuals with pre-existing liver conditions; data showed a higher incidence of elevated liver enzymes in this group. Research has also compared the drug's outcomes to those of older treatments.

Studies have investigated the effect of this combination on the overall outcome when the drug is used alongside standard care treatments. The decision to stop treatment was examined in studies to understand the long-term effects on disease progression.

Frequently Asked Questions (FAQ)

Common questions about Latof (FAQ)


Q: Are the changes to my eye color from Latof permanent?

Official product information states that the increase in brown pigmentation of the iris (the colored part of the eye) is often noted as potentially permanent. In contrast, changes to the eyelashes and the skin surrounding the eye are generally considered reversible if the medication is stopped.


Q: What are the steps I should follow to put the eye drops in correctly?

Official instructions emphasize proper technique to ensure the medication works correctly. This includes steps like washing hands and using punctal occlusion (gently pressing the inner corner of the eye) to minimize the amount of medicine that is absorbed into the rest of the body.


Q: What exactly is intraocular pressure (IOP) and why is it important to lower it?

Intraocular pressure (IOP) refers to the fluid pressure inside the eye. According to authoritative health information, lowering elevated IOP is a key treatment strategy used to help protect the optic nerve from damage that may be caused by high pressure.


Q: Can I use Latof if I have a history of herpes simplex eye infection?

Official labeling states the medication should be used with caution if a patient has a history of herpetic keratitis, which is an eye infection caused by the herpes simplex virus. Use is generally avoided if the infection is currently active, due to the potential risk of reactivating the virus.


Q: What should I do if my Latof bottle freezes?

Regulatory guidelines state that unopened Latof must be stored in the refrigerator between 2 C and 8 C (36 F and 46 F) and must be protected from freezing. If the medication has been frozen, official guidance suggests consulting with a pharmacist or healthcare professional.


Q: Can I stop using Latof once my eye pressure is normal?

Official product information emphasizes that treatment should continue even if eye pressure levels improve. Patients should avoid stopping the medication without first consulting a prescribing professional, as continued use is often necessary for long-term management.

How should Latof be stored and disposed of?

How to Store and Dispose of Latof (Latanoprost Ophthalmic Solution)


Official Storage Requirements

Unopened containers of Latof must be stored under refrigeration at a temperature between 2 C and 8 C (36 F and 46 F). The medication must not be frozen and should be protected from light.

Once the bottle is opened, it may be stored at room temperature, not exceeding 25 C (77 F). The open container must be discarded 6 weeks after the initial opening, even if solution remains. The bottle must be kept tightly closed when not in use.

Child Safety and Disposal

Latof must be stored out of the sight and reach of children. Unused or expired solution must be disposed of according to local regulatory requirements for pharmaceuticals. The medication must not be poured into wastewater or placed in household waste.

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

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