Criptolat

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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 Criptolat

Property Description
Active ingredient Cabergoline (INN)
Form Oral tablet
Pharmacological class Dopamine Receptor Agonist
Common use Prolactin level reduction (Prolactin inhibitor)
Origin Semisynthetic Ergot derivative

What is Criptolat and its Active Substance?

Criptolat is a pharmaceutical preparation formulated as an oral tablet and is consistently classified as a prescription drug requiring professional authorization. The medicine is a single-ingredient product containing the active substance Cabergoline, which is administered via the oral route of administration. The chemical identity of the active molecule is the fundamental basis for the drug's action, while the tablet form combines Cabergoline with inert pharmaceutical excipients for delivery.

Classification: Dopamine Receptor Agonist and Semisynthetic Origin

Cabergoline is primarily categorized in the medical field as a potent Dopamine Receptor Agonist, a class of agents clinically recognized for influencing neuroendocrine signaling. Chemically, it is defined as a semisynthetic Ergot derivative, a structure optimized from the natural ergot alkaloid framework. This specialized chemical origin provides a highly differentiating factor: Cabergoline possesses a unique long-acting profile and high selectivity for the Dopamine D2 receptor.

Cabergoline is recognized for offering advantages over older treatments, establishing it as a preferred initial treatment option for its therapeutic reliability. The modern semisynthetic design offers a tangible therapeutic advantage.

The General Therapeutic Action of Criptolat

The main general purpose of Criptolat is to decrease the production and release of the hormone prolactin by the pituitary gland, functioning effectively as a Prolactin inhibitor. Its mechanism involves activating the Dopamine D2 receptors, thereby generating the signal required to achieve a sustained inhibitory effect on prolactin secretion.

This action forms the basis for its utility in managing cases of elevated prolactin levels. Furthermore, the drug's activity as a Dopamine Receptor Agonist indicates that it is also capable of modulating neural pathways, enabling its complementary use in the management of specific motor-related neurological disorders. This long-lasting property ensures consistent hormonal management with less frequent dosing than required by other dopamine agonists.

Regulatory References

  1. MedlinePlus Drug Information
  2. NCBI Bookshelf
  3. Dopamine D2 receptor

What side effects are possible with Criptolat?

Criptolat's official safety profile, based on regulatory classifications, organizes documented adverse reactions by frequency and physiological system. This information is derived strictly from government regulatory documentation.

Frequency-Classified Adverse Reactions

Adverse reactions are assigned incidence rates based on regulatory documentation:

  • Very Common (ge 10%): Reactions reported frequently include Nausea, Headache, and Dizziness.
  • Common (1% to 10%): Reactions in this tier include Constipation, Fatigue, Vomiting, Somnolence, and Orthostatic Hypotension (a drop in blood pressure upon standing).

Serious Systemic Safety Concerns

The label identifies clinically significant risks that are generally associated with prolonged use. These serious adverse reactions include Cardiac Valvulopathy (damage to heart valves) and Extracardiac Fibrotic Reactions, which involve scarring in areas such as the pleura (lining of the lungs) or the peritoneum (lining of the abdomen).

Safety Restrictions and Patterns

The official documentation includes strict restrictions for use based on pre-existing health conditions. Criptolat is generally not indicated for individuals with a prior history of fibrotic disorders, existing cardiac valvulopathy demonstrated by imaging, or uncontrolled hypertension. Caution is also advised for those with Severe Hepatic Impairment due to the potential for increased drug exposure.

Safety patterns tied to the timing of treatment are noted, such as Orthostatic Hypotension being more common when first starting treatment or when initial doses are higher than 1.0 mg. The profile also documents Impulse Control Disorders (e.g., pathological gambling or hypersexuality) as potential psychiatric adverse effects.

Overdose and Emergency Response

The official regulatory documentation defines the Criptolat (Cabergoline) overdose profile based on acute physiological manifestations resulting from excessive dopamine receptor activation. Immediate medical attention must be sought for any suspected acute overdosage.

Documented Overdose Manifestations

Acute overdosage may present with symptoms that include syncope (fainting), hallucinations (seeing, hearing, or feeling things that are not present), and nasal congestion. A primary concern noted in the official prescribing information is the potential for hypotension (low blood pressure), which may require immediate medical intervention.


Emergency Management and Protocol

The regulatory guidance establishes that treatment must adhere to general principles for managing acute overdosage. Urgent medical assessment and monitoring are necessary, especially if documented symptoms such as syncope or hallucinations occur.

Overdose Management Context Official Regulatory Statement
Antidote Availability No specific antidote is known for Cabergoline overdose.
Required Management Management must be symptomatic and supportive. Measures to stabilize and support blood pressure should be taken if clinically necessary, alongside other general symptomatic measures.

Treatment is strictly confined to general medical principles for overdose, focusing on patient status stabilization and support of vital functions.

Therapeutic Uses of Criptolat

Criptolat is relevant for easing symptoms that interfere with daily functioning, commonly used across conditions characterized by systemic hormonal imbalance (hyperprolactinemia). Clinical presentations of these conditions often include issues like infertility and sexual problems. Criptolat is commonly used to help with conditions marked by increased physiological stress, including manifestations of idiopathic hyperprolactinemia, prolactinomas, and the management of lactation when medically appropriate.

The medication contributes to easing the overall symptom load, supporting the patient during episodes of heightened discomfort. It helps manage symptom clusters that may become intense or disruptive, including galactorrhea (inappropriate milk secretion), absent or irregular menstrual cycles, and sexual dysfunction. It is applied in clinical settings that involve acute or unstable symptom patterns to address these pronounced manifestations.


Quick Fact: Management of Symptoms Related to Systemic Imbalance

Quick Fact: Management of Symptoms Related to Systemic Imbalance

Criptolat is applied in addressing symptoms related to systemic imbalance, such as gynecomastia in men, and may assist with maintaining functional stability related to reproduction and vision.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Regulatory documents establish clear prohibitions for the use of Criptolat (Eletriptan Hydrobromide), strictly defining the patient groups that must not take this medicine.

Populations That Must NOT Use Criptolat (Contraindicated)

Use is contraindicated in patients with a history or evidence of specific cardiovascular diseases. This is the highest level of restriction and applies to patients with:

  • Ischemic coronary artery disease (CAD), including conditions such as angina pectoris, a history of myocardial infarction (heart attack), or documented silent ischemia.
  • Coronary artery vasospasm, which includes a condition known as Prinzmetal's angina.

Age and Condition-Specific Eligibility

The regulatory label focuses on these absolute cardiovascular contraindications. No specific age-related eligibility rules (e.g., pediatric use established or prohibited) are listed in the contraindication section. Likewise, there are no documented eligibility status statements (e.g., “contraindicated”) regarding use during pregnancy or lactation in the official eligibility sections. Only official governmental sources defining contraindications or eligibility status were considered for this summary.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction profile of Criptolat (Cabergoline) based on managing additive pharmacodynamic effects and altered systemic exposure. The profile highlights specific combinations that are either not recommended or require caution, strictly according to label-based information.


Official Interaction Statements

Category Officially Documented Constraint or Outcome
Dopamine D2 Antagonists Co-administration is not recommended due to pharmacodynamic antagonism that may counteract the prolactin-lowering effect [Source 1.8].
Antihypertensive Agents Caution is required due to the potential for an additive hypotensive effect, particularly orthostatic hypotension [Source 1.4].
Macrolide Antibiotics Associated with the risk of increased systemic bioavailability (exposure) of Criptolat [Source 2.2].
Other Ergot Derivatives Not recommended for co-administration during long-term treatment [Source 1.6].
Alcohol (Ethanol) May increase CNS side effects such as drowsiness and dizziness [Source 1.3].
Hepatic Impairment Severe hepatic disease is an official contraindication, as the drug is extensively metabolized by the liver, potentially altering clearance [Source 1.8].
Metabolic Pathway CYP450-mediated metabolism is minimal, suggesting a low risk of standard pharmacokinetic interactions [Source 1.4].

Regulatory Summary

The interaction profile is principally structured to prevent the counteraction of its primary therapeutic action and to mitigate risks of additive effects, such as hypotension, as required by regulatory authorities [Source 1.4]. The official label notes that highly protein-bound drugs are unlikely to affect Criptolat’s clearance [Source 1.4]. Use with other medications associated with valvulopathy must adhere to a strict benefit-outweighs-risk standard [Source 2.4].

Mechanism of Action

How Criptolat Works: Mechanism of Action

Criptolat functions through a specific, dual-action mechanism centered on modulating fundamental cellular decisions related to anabolism and survival.


Targeted Inhibition of the mTOR Kinase

Criptolat acts as an inhibitor directly binding to the mTOR kinase, a key enzyme in the PI3K/AKT/mTOR signaling network. Blocking this enzyme stops the primary flow of pro-survival and growth signals, leading to a reduction of cellular anabolism and proliferation.


Induction of Programmed Cell Death (Apoptosis)

This mechanism describes the cascade initiated by mTOR inhibition, which shifts the cellular balance toward active apoptosis (programmed cell death). This involves the subsequent activation of caspase executioner proteins. This results in the cleavage of executioner proteins that carry out apoptosis in susceptible cell populations.


Modulating Cell Life Cycle Decisions

By influencing signaling events within the targeted pathways, Criptolat alters the fundamental balance between cellular growth and elimination. This leads to a core physiological change of reduced cell survival and altered pathway dynamics in susceptible cell populations.

Dosage and Administration Information

How Criptolat is Used: Official Administration Guidelines

Criptolat (Cabergoline) is administered according to specific dosing regimens and procedural steps. This section details the established parameters for the medicine's route, dosage, frequency, and conditions of administration.


Administration Route and Form

Criptolat is supplied as an oral tablet and is taken via the oral route of administration. Although administration may occur with or without food, the tablet is generally administered with meals to enhance tolerability.

Standard Dosing and Frequency

The usage pattern depends on the therapeutic goal, with the dose always being measured in 0.5 mg tablet units.

Usage Scenario Starting Dose and Frequency Adjustment Protocol
Chronic Hyperprolactinemia 0.25 mg taken twice per week. Dose increases do not occur more frequently than every 4 weeks (monthly intervals) to allow for monitoring. The weekly dose is divided into multiple administrations if it exceeds 1 mg.
Inhibition of Lactation A single 1 mg dose (two 0.5 mg tablets). Administration occurs within the first 24 hours after delivery.

Use Patterns and Population Adjustments

Treatment for chronic hyperprolactinemia is typically sustained and is guided by the principle of maintaining the patient on the lowest effective dose. Following dose normalization, the therapy may be considered for discontinuation after maintaining normal prolactin levels for a period of approximately six months.

Special Population Guidelines:

  • Severe Hepatic Impairment: Clinical guidelines involve considering lower doses for patients with severe liver dysfunction, with the maximum dose potentially limited to 1 mg per day in prolonged treatment.
  • Pediatric Patients: The safety and efficacy of Criptolat are not established in subjects under 16 years of age.

Recent Clinical Evidence

Criptolat: Recent Clinical Evidence


Research Evidence for Hyperprolactinemic Conditions

Research primarily used Randomized Controlled Trials (RCTs) and observational studies to examine Criptolat for conditions with high prolactin levels, such as prolactinomas. These studies focused on adult populations and monitored biochemical changes (prolactin levels) and outcomes related to functional imbalance (e.g., status of menstrual cycles). Research reports that studies observed patterns related to prolactin level shifts and measured tumor volume shifts. Studies suggest that long-term outcomes regarding the maintenance of prolactin status or recurrence are not fully established, often relying on follow-up durations that were limited in the original comparative trials.

Research Evidence for Complementary Use in Neurological Disorders

The drug was evaluated in research exploring its use in studies related to movement disorders, specifically Parkinson’s Disease (PD). These studies, mainly RCTs, monitored standardized measures of motor function, daily functioning, and the measurement of time patients spent experiencing severe motor symptoms ('off' time). Findings described patterns related to measured changes in motor function scores, but the consistency across all secondary outcomes was mixed in certain trials. The research is largely focused on intermediate time intervals (up to six months), and long-term effects are not fully established.

Long-Term Studies and Durability of Effect

The evidence base includes longer-term observational studies, primarily tracking patients with pituitary tumors to explore the long-term status of the condition and the study of recurrence status. The certainty remains low regarding the absolute durability of the response, as the primary RCTs had follow-up durations that were limited, and comparative evidence for the extended maintenance of results is often lacking.

Evidence in Specific Patient Groups

The research primarily focused on adult patients with hyperprolactinemia. The clinical evaluation of the substance was associated with limited evidence in pediatric populations. Furthermore, research provides limited insight into long-term outcomes for patients presenting with complex comorbidities, as these individuals were typically excluded from the controlled RCT settings.

Key Limitations and Areas of Research Uncertainty

The body of research highlights key areas where certainty remains low. One major limitation is that the follow-up durations were limited in many initial comparative trials. Additionally, certain older studies had sample sizes that were modest, and evidence quality varies across studies, contributing to some mixed findings. Research provides context but not individual predictions.

Key Studies & References

  1. DOSTINEX (Cabergoline) Tablets Official Prescribing Information - Pfizer
  2. Cabergoline versus bromocriptine in the treatment of hyperprolactinemia: a systematic review of randomized controlled trials and meta-analysis
  3. Prolactinoma Management - Endotext (Comprehensive Review of Treatment and Follow-up)

Frequently Asked Questions (FAQ)

Common questions about Criptolat (FAQ)

Q: Is Criptolat the generic name for a medicine?

Criptolat is the brand name used for this medicine. The chemical active ingredient it contains is Cabergoline, which is the name used in scientific and regulatory contexts, often referred to as the generic name.


Q: How common are serious side effects with Criptolat?

According to official product information, serious adverse reactions like heart valve problems (valvulopathy) and excessive scarring of tissues (fibrosis) are generally considered rare. These serious effects are primarily associated with the prolonged use of Criptolat. The medicine is contraindicated for individuals with a history of fibrotic disorders or existing valvulopathy, as defined in regulatory documents.


Q: Are there any foods or drinks that should be avoided while taking Criptolat?

Official documents indicate that consuming alcohol while taking Criptolat may increase central nervous system side effects like drowsiness. Apart from this, regulatory information states there are no known restrictions specific to non-alcoholic foods or drinks that must be strictly avoided.


Q: Does Criptolat have any restrictions based on age or weight?

Official documents state that the safety and effectiveness of Criptolat have not been established for patients under 16 years of age. However, the regulatory labeling does not document specific restrictions based on a patient's body weight.


Q: How long after starting Criptolat do side effects usually appear?

Based on safety profiles, many common side effects are reported during the initial days of beginning Criptolat treatment or when a dose increase occurs. For instance, a drop in blood pressure upon standing (orthostatic hypotension) may be noticed early in the treatment course.


Q: What should a person do if they miss a dose of Criptolat?

Official prescribing information indicates that if a dose is missed, it may be taken as soon as the person remembers. The regulatory label states that a double dose should not be taken to compensate for the missed one.


Q: Does Criptolat affect driving ability or machine operation?

Regulatory documents include warnings that Criptolat may cause drowsiness or the sudden onset of sleep. Official guidance indicates that patients should avoid driving or operating heavy machinery until the full effects of the medicine on mental and motor performance are established.


Q: What are the signs of an allergic reaction to Criptolat?

Official safety information states that an allergic reaction to Criptolat can involve signs such as swelling of the face, eyes, or tongue, difficulty breathing, and widespread itchy skin rashes.


Q: Can Criptolat be taken with common pain relievers like ibuprofen?

Official regulatory documents do not list a known interaction between Criptolat and common Nonsteroidal Anti-inflammatory Drugs (NSAIDs) like ibuprofen. However, official information generally advises caution when taking any other medication alongside Criptolat.


Q: Does Criptolat affect the way birth control pills work?

Regulatory information does not list an interaction between Criptolat and hormonal contraceptives, such as birth control pills. Despite this, some official guidance advises that non-hormonal barrier methods of contraception are often recommended during the course of treatment.


Q: Can older adults safely use Criptolat?

Available official data for Criptolat do not indicate a special or unique risk for the older adult population (those 65 years and over). As with all patient groups, dosage adjustments are generally based on the individual's specific response to the medicine.


Q: Can Criptolat be used during pregnancy?

According to regulatory guidance, Criptolat should be used during pregnancy only if the potential benefit is determined to outweigh the potential risk to the developing fetus. Regulatory guidance states that the use of Criptolat should be immediately discussed with a health professional if pregnancy occurs during therapy.


Q: Is Criptolat safe for people with kidney problems?

Official regulatory documentation does not list a need for special dose adjustments for patients with kidney (renal) impairment. The safety profile focuses more heavily on adjustments for severe liver dysfunction.


Q: How quickly should Criptolat start showing an effect?

Pharmacokinetic information states that the medicine's highest concentration in the bloodstream (peak plasma concentration) is usually reached within 2 to 3 hours after taking a dose. This indicates the time when the medicine is fully active in the body.


Q: What should a person expect if they stop taking Criptolat suddenly?

The expectation after stopping Criptolat is that periodic monitoring of hormone levels will be necessary to check for a possible recurrence of elevated prolactin levels. The medicine is typically discontinued after normal prolactin levels have been maintained for a defined period.


Q: Is Criptolat a cure for the condition it treats?

Official documents describe Criptolat as a treatment used to manage and maintain normal prolactin hormone levels. Since periodic monitoring is required after stopping the medicine to check for the return of high prolactin levels, it is considered a management therapy rather than a permanent cure.


Q: When was Criptolat first approved by regulatory bodies?

The active ingredient contained in Criptolat, Cabergoline, was initially approved for medical use by regulatory bodies in 1993.


Q: Where can I find the official package insert (leaflet) for Criptolat?

The official prescribing information or package insert (patient leaflet) can be accessed online. This information is typically provided by national health regulatory authorities, such as the FDA DailyMed in the United States or Health Canada's official documentation.

How should Criptolat be stored and disposed of?

Criptolat (Cabergoline) must be stored strictly according to official regulatory specifications to maintain its stability and effectiveness. The tablets require storage at controlled room temperature, specifically between 20 C and 25 C (68 F and 77 F). The medication must be kept away from heat, moisture, and direct light, and must not be frozen.

Storage Component Requirement
Temperature Range 20 C to 25 C (68 F to 77 F)
Protection Keep from freezing, heat, light, and moisture
Container Rule Store in the original, tightly closed container
Child Safety Keep out of the reach of children

For disposal, do not flush Criptolat down the toilet or pour it down a drain. The preferred method is to take the unused or expired product to a drug take-back program. If a take-back option is unavailable, mix the medicine with an undesirable substance (such as coffee grounds or dirt), seal the mixture, and place it in the household trash.

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

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