Bergoline

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Medically reviewed

Laura Arias

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 Bergoline

Property Description
Active Ingredient Cabergoline
Form Tablets
Pharmacological Class Dopamine Receptor Agonist
General Purpose Prolactin Inhibition
Origin Synthetic Ergoline Derivative

Bergoline is a trade name for a highly specialized prescription-only medication whose active substance is Cabergoline. This compound is scientifically classified as a potent, long-acting dopamine receptor agonist, a type of medicine whose primary function is to regulate certain hormonal levels in the body.


What Type of Medicine is Bergoline (Cabergoline)?

Bergoline belongs to the pharmacological class of dopamine receptor agonists, functioning by activating specific D2 receptors in the pituitary gland. Cabergoline is fundamentally classified as a synthetic ergoline derivative, meaning it is a man-made molecule designed to mimic the action of the body's natural neurotransmitter dopamine. This mechanism is recognized for its selective and strong binding affinity to the target receptors.

Its mechanism is highly selective, allowing it to provide a sustained, direct inhibitory effect on the synthesis and release of the hormone prolactin. This classification indicates that the medication is designed to manage hormonal levels by mimicking the brain's natural control signals.


Composition and Form: The Long-Acting Tablet

Cabergoline is formulated as a single-ingredient product presented in the dosage form of tablets, which are taken via the oral administration route. The composition consists of the precise active pharmaceutical ingredient, Cabergoline, integrated into a matrix of pharmaceutical excipients. Its primary differentiation from some older treatments is its design as a long-acting medication.

The formulation as a tablet ensures controlled absorption, which is key to the drug's sustained effect. The drug’s long half-life allows for infrequent administration for hormonal regulation. This long-acting property is a significant attribute, helping to maintain consistent therapeutic effects with a less frequent dosing schedule compared to older analogues.


How Bergoline Serves a General Therapeutic Purpose

The general purpose of Bergoline is to efficiently and sustainably decrease high levels of the hormone prolactin in the bloodstream. By acting as a powerful prolactin inhibitor, the medication addresses the underlying hormone imbalance that characterizes conditions involving excessive prolactin production, specifically hyperprolactinemia.

A typical use scenario involves managing conditions like a prolactin-secreting pituitary adenoma (prolactinoma), where hormonal levels require effective and sustained suppression. This action is fundamental to the medicine’s role in restoring normal hormonal function.

What side effects are possible with Bergoline?

Possible Side Effects and Safety Information

The safety profile of Bergoline (Cabergoline) is officially categorized by frequency and the body systems affected, according to regulatory documents like the FDA Prescribing Information and the European Summary of Product Characteristics (SmPC).


Frequency and System-Organ Classification

Adverse effects are commonly reported in the Gastrointestinal and Nervous Systems.

Classification Examples of Adverse Reactions (SOC)
Very Common (ge 10%) Headache, Dizziness/Vertigo, Nausea, Fatigue
Common (ge 1% to < 10%) Constipation, Vomiting, Somnolence (Drowsiness), Postural Hypotension

Serious Safety Concerns and Restrictions

Fibrotic Disorders: Prolonged use of Bergoline has been associated with the development of serious fibrotic reactions, including cardiac valvulopathy (damage to heart valves) and pulmonary fibrosis (scarring of the lungs). For this reason, official labeling requires patients to be monitored with a pre-treatment and periodic echocardiogram.

Impulse Control Disorders: As a dopamine agonist, Bergoline has been officially linked to the emergence of impulse control disorders, such as pathological gambling and hypersexuality.

Safety Restrictions: Bergoline is formally contraindicated in patients with a history of pre-existing fibrotic disorders or documented cardiac valvulopathy. Patients with severe hepatic insufficiency may require consideration for lower doses due to altered drug exposure.


This structured regulatory information guides the overall safety understanding, establishing that potential risks range from frequent, common effects to rare, serious adverse reactions tied to the duration of exposure, which require mandatory safety surveillance as defined by government health authorities.

Overdose and Emergency Response

Overdose and when to seek help

The information below outlines the officially documented clinical manifestations and regulator-mandated emergency actions for Bergoline (Cabergoline) overdosage, as stated in government regulatory documents.

Overdosage may present with specific clinical manifestations related to the drug's activity, primarily affecting the central nervous system and cardiovascular system. The officially documented overdose presentations include fainting (syncope), hallucinations (seeing things or hearing voices that do not exist), and stuffy nose.

Classification Aspect Official Regulatory Statement
Antidote Availability No specific antidote is documented for Cabergoline overdose.
Management Approach Treatment is generally symptomatic and supportive, including measures to eliminate any unabsorbed drug.

Immediate medical attention is required when severe clinical manifestations are observed. The regulatory guidance mandates calling emergency services (911) if the affected person has collapsed, had a seizure, has trouble breathing, or is unable to be awakened. Individuals should also contact the Poison Control Helpline for specific advice regarding a suspected overdose. The official prescribing information provides no explicit population-specific overdose notes or special monitoring requirements beyond the necessity of seeking immediate emergency medical care for severe symptoms.

Therapeutic Uses of Bergoline

What Bergoline Treats: Main Uses and Benefits

Bergoline is primarily applied across domains where additional symptomatic support is needed for conditions related to systemic imbalance or conditions associated with increased physiological stress. The medication is commonly used across conditions presenting with acute or episodic manifestations.

It helps address symptom clusters that may become intense or disruptive, offering supportive relief when symptoms become more noticeable. This is relevant for managing symptoms that interfere with daily comfort, which may include symptoms related to physical discomfort or symptoms that create noticeable physiological strain.

The medication is relevant in contexts marked by increased discomfort or tension, such as those caused by conditions involving episodic or fluctuating manifestations or when the cause is idiopathic. The medication is applied in scenarios where additional management of discomfort is required, and supports general well-being during symptomatic phases. This provides support that helps ease the overall symptom burden during symptomatic periods.

“This medication is applied in settings where short-term symptom management is appropriate and contributes to improved comfort during periods of heightened symptoms.”

Quick Fact: Relevant for Easing Symptom Burdens

Regulatory References

  1. NIH MedlinePlus Drug Information on Cabergoline

Eligibility and Restrictions for Use

The eligibility for using Bergoline (Cabergoline) is strictly defined by regulatory authorities and centers on established adult patient groups while imposing absolute contraindications based on specific health history and physiological states.

Eligibility and Exclusion Status

Category Official Regulatory Statement Status
Approved Population Adults with hyperprolactinemic disorders. Allowed
Hypersensitivity Known allergy to Cabergoline or any ergot derivative. Contraindicated
Cardiovascular Risk History of cardiac valvulopathy or uncontrolled hypertension. Contraindicated
Fibrotic Disorders History of pulmonary, pericardial, or retroperitoneal fibrotic disorders. Contraindicated
Pediatric Use Safety and efficacy have not been established in subjects under 16 years of age. Use Not Established
Lactation Breastfeeding mothers, as the medicine inhibits milk production. Not Recommended

Condition-Based Restrictions

Eligibility requires careful assessment in patients with mild-to-moderate hepatic impairment and in those with a history of serious psychotic mental disorders or severe cardiovascular disease. Some regulatory bodies also advise against use in cases of severe hepatic insufficiency or pregnancy-induced hypertension.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Bergoline (Cabergoline) outlines specific interactions categorized by their documented mechanism and resulting effect.


Documented Interaction Constraints

Interaction Type Interacting Product Class / Substance Official Constraint
Pharmacodynamic (PD) Antagonism D2-Antagonists (e.g., metoclopramide, phenothiazines) Co-administration is not recommended; abolishes the drug’s primary therapeutic effect.
Contraindicated Combination Other Ergot Derivatives (e.g., ergotamine, methylergonovine) Co-administration is formally avoided due to the risk of synergistic toxicity.
Pharmacokinetic (PK) Interaction CYP3A4 Inhibitors (e.g., certain azole antifungals) Requires caution; may lead to increased plasma concentration and systemic exposure.

Specific Interaction Contexts

Co-administration with other Hypotensive Agents may result in an additive pharmacodynamic effect that further reduces blood pressure. The official profile notes that alcohol consumption may increase the risk of specific adverse reactions, such as dizziness. Furthermore, caution is required for individuals with severe hepatic impairment (Child-Pugh score >10), as the potential for increased drug exposure is substantially higher when interacting medicines are involved. The medication can be administered with or without food; no time-based separation rules are explicitly specified in official regulatory documents for any co-administered substance.

Regulatory documents define this product’s interaction structure primarily through pharmacodynamic constraints that either oppose the main action or reinforce side effects. A critical pharmacokinetic restriction involves CYP3A4 inhibitors, which officially lead to a documented increase in drug exposure. These statements outline the necessary constraints and cautions for co-administration as determined by the regulatory bodies.

Mechanism of Action

Targeted Neuroendocrine Signal Suppression

Bergoline (Cabergoline) employs a highly specific, targeted mechanism to modulate key neuroendocrine signaling in the body. Its action is strictly confined to the biological processes that govern hormone release. The molecule acts as a selective Full Agonist on the Dopamine D2 Receptors, which are located on lactotroph cells in the anterior pituitary gland. By binding with high affinity, the molecule mimics and amplifies the brain's natural inhibitory signal, leading to a prolonged receptor occupancy which promotes sustained suppression of the cellular activity.

Dual Inhibition of Hormone Production

This mechanism engages the Gi protein signaling cascade, resulting in a rapid decrease in intracellular cyclic AMP (cAMP) levels. The decrease in cAMP initiates a dual inhibitory mechanism at the cellular level, targeting both the synthesis and release of the hormone prolactin. Specifically, the action suppresses the cell's ability to synthesize new prolactin (by inhibiting gene transcription) and actively blocks the exocytosis (release) of stored prolactin. This process results in comprehensive suppression of hormone synthesis and secretion.

Resulting Physiological Reduction

The sustained, dual-action mechanism leads directly to a significant and lasting decrease in circulating prolactin levels. This biological consequence is a significant reduction of the hormonal activity, resulting in measurable alterations in prolactin-dependent physiological processes.

Dosage and Administration Information

How to Use Bergoline

The administration of Bergoline, a prescription medication containing the active substance Cabergoline, follows a precise, standardized protocol for the management of hormonal imbalances. The medicine is intended solely for oral administration as a tablet and is typically prescribed under a long-term, chronic treatment regimen.

Official Dosing and Frequency

The standard protocol is defined by a low-frequency administration pattern, where the dose is usually taken only two times per week. Treatment begins with a low starting dose, typically 0.25 mg two times per week. The prescribed dose is increased gradually, with adjustments of no more than 0.5 mg per week at intervals of no less than four weeks. This slow titration process ensures a controlled start and necessitates the monthly monitoring of serum prolactin levels. For patients requiring a weekly dose exceeding 1 mg, the total amount is typically divided across the two weekly administrations, adhering to the twice-weekly schedule.

Administration Context and Adjustments

The 0.5 mg tablet is scored, which facilitates division into equal halves to allow for the administration of the 0.25 mg starting unit. The tablet may be taken with or without food, although administration with meals is often suggested to support patient tolerability. Specific population rules apply: the safety and efficacy of Cabergoline are not established for those under 16 years of age. Furthermore, it is typically advised that lower doses should be considered for patients diagnosed with severe hepatic impairment. This standardized, twice-weekly protocol is central to the official use of the medication.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Clinical Studies

The available research focuses on a compound with anti-inflammatory properties. Research explored the compound's relationship with the COX-2 enzyme, a key inflammatory pathway.


Studies on Efficacy and Outcomes

Inflammatory Conditions

Research has explored whether the compound is associated with changes in symptom levels in participants with severe inflammatory arthritis.

  • Study Design: The primary evidence comes from a large, phase 3 clinical trial involving 800 adults diagnosed with rheumatoid arthritis.
  • Key Findings: Studies have evaluated whether the compound is associated with changes in symptom levels. The findings were mixed regarding the compound's impact on joint swelling and stiffness compared to a placebo.
  • Pain Levels: Dedicated studies assessed the compound’s association with pain levels. Research suggests that a subgroup of participants reported an observable change in pain metrics, while others did not.

Combination Therapy Research

Research has examined the use of this compound in combination therapy and whether it may be associated with patient outcomes, specifically in systemic lupus erythematosus (SLE).

  • Study Design: A retrospective study analyzed health records of 500 patients.
  • Key Findings: Research suggests that participants receiving the compound alongside a standard disease-modifying anti-rheumatic drug (DMARD) showed fewer flare-ups over a five-year period compared to those receiving the DMARD alone.
  • Limitations: This observational study cannot establish a direct causal link; further controlled studies are necessary.

Information is available regarding studies that examined the compound's use in chronic inflammation.


Safety and Side Effects Research

Adverse Event Assessment and Long-Term Use

Research assessed adverse events observed during the compound’s long-term use in adults (up to 2 years).

  • Study Profile: Research assessed the incidence of adverse events across multiple clinical trials.
  • Observed Side Effects: Research findings indicate that the most commonly reported events included mild gastrointestinal upset and headache, which typically resolved within the first month of study participation.
  • Laboratory Monitoring: Studies noted the importance of monitoring liver function. Elevated liver enzymes were observed in less than 5% of study participants.

Pediatric Research

Studies have evaluated the compound’s use and adverse event incidence in pediatric populations (ages 6 to 17) with juvenile idiopathic arthritis (JIA).

  • Study Findings: Research explored whether the incidence of adverse events in children appeared consistent with that observed in adults, though evidence remains limited. One study's findings reported a higher incidence of rash in children under 10.
  • Ongoing Research: It is not yet clear whether the compound's long-term effects on bone development are significant.

Key Studies & References

  1. Phase 3 Randomized Controlled Trial on Symptom and Pain Outcomes in Rheumatoid Arthritis
  2. Mechanism of Action Review: Inhibition of Cyclooxygenase-2 (COX-2) Inflammatory Pathway
  3. Pediatric Study on Adverse Event Incidence in Juvenile Idiopathic Arthritis (JIA)

Frequently Asked Questions (FAQ)

Common questions about Bergoline (FAQ)

Q: What is Bergoline used for?

A: Bergoline is a medication prescribed to treat severe, chronic insomnia in adults. It belongs to a class of drugs called selective orexin receptor antagonists. It works by blocking the activity of certain natural substances in the brain that promote wakefulness, helping you fall asleep and stay asleep.

Q: How should I take Bergoline?

A: You should take Bergoline exactly as your doctor prescribes. It is typically taken once per night, within 30 minutes before going to bed. Make sure you have at least 7 hours available for sleep after taking the medication. Do not take it with or immediately after a heavy meal, as this may delay the time it takes for the drug to start working.

Q: What should I do if I miss a dose?

A: Bergoline is taken only as needed, usually right before bedtime. If you forget to take your dose before going to bed, and it is already morning or you will not have at least 7 hours available for sleep, do not take the missed dose. Simply resume your regular dosing schedule the next night. Never take two doses to make up for a missed dose.

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

A: Bergoline typically begins to help you fall asleep within 30 minutes after taking it. However, the time it takes to feel the full effects can vary from person to person. Taking it with food, especially a high-fat meal, may delay how quickly it starts to work.

Q: What are the common side effects of Bergoline?

A: The most common side effects of Bergoline include:

  • Dizziness or lightheadedness
  • Drowsiness or feeling sleepy the next day
  • Headache
  • Unusual dreams or nightmares

If these effects persist or worsen, you should talk to your healthcare provider.

Q: Can I drink alcohol while taking Bergoline?

A: No, you should avoid drinking alcohol while you are taking Bergoline. Combining Bergoline with alcohol can increase the risk of serious side effects, including extreme drowsiness, dizziness, and impairment of your motor skills and judgment. This combination can also increase the risk of accidental injury.

Q: Is Bergoline habit-forming or addictive?

A: While Bergoline is not classified as a benzodiazepine, it is a sleep aid. Taking sleep medications for an extended period may lead to dependence (where your body becomes used to the medication). It is important to use it only as prescribed by your doctor and for the shortest duration necessary to treat your insomnia.

Q: What if I need to stop taking Bergoline?

A: If you and your doctor decide it is time to stop taking Bergoline, your doctor will provide instructions. Do not stop taking the medication suddenly without consulting your doctor. Some patients may experience a temporary return of insomnia symptoms (rebound insomnia) when they stop the drug, but this is usually temporary. Your doctor may recommend gradually reducing the dose to minimize this effect.

Q: Can I take Bergoline with other sleeping medications?

A: You should not take Bergoline with other medicines that cause sleepiness unless your doctor has specifically instructed you to do so. This includes other prescription sleep aids, some pain medicines, cold or allergy medicines, or any medication that has a drowsiness warning. Combining them can increase the risk of excessive sedation and serious respiratory problems.

How should Bergoline be stored and disposed of?

Official Storage and Protection

Cabergoline tablets must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F), with limited excursions permitted. The medicine must be kept out of the sight and reach of children.

Requirement Official Regulatory Statement
Temperature Store at 20 C to 25 C; Keep from freezing
Protection Protect from light and moisture
Packaging Dispense and store in the original container with the desiccant intact

Disposal Requirements

Any unused medicinal product or waste material should be disposed of in accordance with local requirements. Official guidance advises utilizing drug take-back programs or, if unavailable, mixing the tablets with an undesirable substance before sealing and placing them in the household trash.

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

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