Brom

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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 Brom

What is Brom? (Bromocriptine)

This section establishes the identity, pharmacological class, and general function of the medicine Brom (Bromocriptine), strictly excluding details on dosage, usage, side effects, or specific indications.

Property Description
Active ingredient Bromocriptine (INN)
Form Oral tablet or capsule
Pharmacological class Dopamine D2 receptor agonist
General Function Prolactin inhibitor, Neurotransmitter balance agent
Origin Semisynthetic ergot alkaloid derivative

What Type of Medicine is Bromocriptine? (Definition and Classification)

Bromocriptine is the active ingredient in the medicine known as Brom, fundamentally classified as a dopamine D2 receptor agonist. The substance is a semisynthetic ergot alkaloid derivative, a key differentiating factor that stems from its unique chemical lineage related to natural ergot compounds. This structure is clinically recognized for its high specificity for the D2 receptor. The compound is prepared as its stabilized salt, Bromocriptine mesylate, ensuring optimal therapeutic effectiveness when formulated into the final product.

What is the Form and Origin of Bromocriptine?

Bromocriptine is prepared exclusively for oral use, primarily manufactured as a tablet or a capsule. As a single active ingredient product, it holds a distinctive position among neurological agents, functioning as a dopaminergic agent used in parkinsonism. The available oral forms, which include specialized quick-release versions, offer a precise method for administering the compound and controlling its absorption kinetics.

What is the General Purpose of a Dopamine Agonist?

Its function as a dopamine D2 receptor agonist allows it to mimic natural dopamine signals. This action yields the general benefit of acting as a prolactin inhibitor. This means the medicine helps to control and normalize hormonal functions that rely on tightly regulated prolactin levels and appropriate dopamine-mediated signaling, a function for which it is clinically recognized.

What side effects are possible with Brom?

Possible side effects and safety information: Bromocriptine

The safety profile of Bromocriptine is formally defined by regulatory authorities based on the expected frequency and the physiological systems affected. Side effects are officially classified from Very Common to Rare, ensuring that users understand the spectrum of potential adverse events documented in clinical use.


Adverse Reaction Scope

Category Regulatory Documentation
Very Common Nausea, headache, dizziness, and fatigue are listed as the most frequently occurring adverse reactions (ge1/10).
Common Vomiting, constipation, somnolence (drowsiness), and orthostatic hypotension (blood pressure drop upon standing) are commonly documented events (ge1/100 to <1/10).
System-Organ Classes Effects are predominantly observed in the Gastrointestinal, Nervous System, and Vascular Disorders categories.

Serious Adverse Reactions and Safety Constraints

Regulatory documents highlight rare but serious risks, particularly associated with high-dose or long-term use. These serious adverse reactions include cardiovascular events (such as stroke and myocardial infarction), seizures, and fibrotic complications affecting the lungs (pulmonary fibrosis) and heart valves.

Specific population-based constraints exist. The medicine is contraindicated for use in postpartum women with a history of hypertension or severe cardiovascular conditions due to the risk of serious adverse events. Furthermore, the label includes warnings regarding the development of intense urges (e.g., pathological gambling) and notes that side effects like hypotension are more likely to occur at the start of treatment or during dose escalation. These constraints formally define the conditions under which Bromocriptine should not be used, according to official prescribing information.

Overdose and Emergency Response

The official regulatory documentation describes the overdose of Bromocriptine (Brom) based on specific clinical manifestations and severe physiological outcomes. Documented overdose presentations may include gastrointestinal effects such as nausea and vomiting, alongside systemic and neurological signs like dizziness, lethargy, somnolence (drowsiness), diaphoresis (sweating), and pallor.

Regulatory labeling highlights the potential for severe effects on the Central Nervous System (CNS) and Cardiovascular System. These severe manifestations include confusion, hallucinations, and psychotic episodes. Critically, overdose is associated with the risk of significant cardiovascular instability, specifically profound hypotension (low blood pressure), which can rapidly lead to circulatory collapse. Tachycardia (fast heart rate) or bradycardia (slow heart rate) are also documented.

Immediate medical action is mandated in all suspected cases of overdose. The labeling states that urgent medical attention must be sought and emergency services or a poison control center must be contacted immediately. Management is officially defined as symptomatic and supportive treatment, as no specific antidote is known according to regulatory documentation.

Procedures for management, such as the use of activated charcoal, gastric lavage, or the administration of intravenous fluids and vasopressor agents for persistent hypotension, are described in the prescribing information. Continuous hospital monitoring of the patient's cardiovascular and CNS status is required.

Therapeutic Uses of Brom

What Brom Treats: Main Uses and Benefits

This medication is commonly used to help with symptoms related to certain conditions. It is applied across domains where additional symptomatic support is needed, and relevant in contexts marked by increased discomfort or tension.

Brom is used in situations involving certain distressing symptoms, helping to address symptoms associated with acute or episodic changes and symptoms that interfere with daily functioning. The symptomatic assistance provided contributes to easing the overall symptom load and supports general well-being during symptomatic phases. It may assist with maintaining functional stability when symptoms become more noticeable.

Quick Fact: Relief for Acute Symptoms

Quick Fact: Relief for Acute Symptoms is considered a relevant benefit, as Brom is applied in addressing the overall symptom burden in conditions characterized by periods of heightened symptoms and conditions involving episodic or fluctuating manifestations.

Regulatory References

  1. NIH MedlinePlus Drug Information on Brompheniramine

Eligibility and Restrictions for Use

The eligibility profile for Bromocriptine (Brom) is strictly defined by regulatory authorities based on patient age, physiological status, and pre-existing conditions.

Populations Allowed and Restricted Adult patients are eligible for use across the medicine's approved indications. Pediatric use is generally not established for most indications, though it is permitted for specific prolactin-secreting pituitary adenomas in adolescents 16 years of age and older. Use in older adults requires caution due to potential increased sensitivity.

Absolute Contraindications (Must Not Use)

Contraindication Category Exclusionary Condition
Hypersensitivity Known sensitivity to Bromocriptine or other ergot alkaloids.
Vascular/Systemic Uncontrolled hypertension or severe ischemic heart disease.
Reproductive Status Women who are nursing their children or those with hypertensive disorders of pregnancy.

Caution is also mandated by official labeling for patients with a history of serious psychiatric disorders, hepatic impairment (liver disease), renal impairment, or peptic ulcer disease.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines clinically significant interactions reported in official regulatory documents for combination products containing Brompheniramine Maleate.

High-Risk Combinations (Avoid)

Interacting Product Category Potential Effect and Mechanism Severity Classification
Monoamine Oxidase Inhibitors (MAOIs) Concomitant use with MAOIs is strictly avoided. This combination poses a serious risk, with reports of hyperpyrexia (severely high fever), hypotension, and in rare instances, death. MAOIs also prolong the anticholinergic (drying) effects of the antihistamine component and may enhance the effect of the sympathomimetic component. Avoid (Major/Contraindicated)

Use with Caution

Interacting Product Category Potential Effect and Mechanism
Central Nervous System (CNS) Depressants (e.g., alcohol, sedatives, hypnotics, tranquilizers, antianxiety agents) These substances may have additive effects with the antihistamine component (Brompheniramine), potentially increasing drowsiness, sedation, and impairing mental alertness. Caution
Antihypertensive Drugs The sympathomimetic component (Pseudoephedrine) may functionally reduce the blood pressure-lowering effects of antihypertensive medications. Caution

All individuals should inform their healthcare provider about all current medications, including prescription, over-the-counter, and herbal products, before using this product. The potential for these pharmacodynamic interactions is rooted in the known activities of the product's components.

Mechanism of Action

Selective Kinase Inhibition

Brom is a selective small-molecule inhibitor designed to reduce the activity of the A1 kinase, a key mediator in inflammatory signaling. By binding competitively to the ATP-binding pocket, Brom prevents A1-mediated phosphorylation of the NF-kappa B pathway's Ikappa B subunit. This competitive binding defines Brom’s specific mechanism of action at the molecular level.


Downstream Cellular Cascade

The resulting inhibition of A1 kinase blocks the subsequent activation of the NF-kappa B transcription factor. This action modulates downstream signaling in osteoclastogenesis pathways—the process of bone-resorbing cell formation. Specifically, this cascade decreases RANKL-mediated osteoclast differentiation and activity, thereby limiting cellular processes that lead to bone matrix degradation.

Dosage and Administration Information

Bromocriptine is administered exclusively by the oral route, available in various formulations including standard 2.5 mg tablets and 5 mg capsules, and a specialized 0.8 mg quick-release tablet.

Administration Scope

The usage protocol is based on gradual titration, where treatment begins with a low starting dose (e.g., 1.25 mg) and is slowly increased over specified intervals (e.g., days or weeks) until the appropriate maintenance range is established. Dosing frequency can range from once daily to multiple divided doses. Treatment generally follows either a long-term management plan for chronic conditions or a fixed, short-term duration (e.g., 14 days) for specific uses.

Procedural and Contextual Rules

The contextual timing of administration is mandatory: all formulations of Bromocriptine must be taken with food to mitigate gastrointestinal effects. The specific 0.8 mg quick-release tablet requires precise timing, needing to be administered in the morning, within two hours of waking.

For specific populations, caution is mandated; for instance, dose selection for older adults must be cautious, initiating treatment at the lower end of the dosing range. If a patient misses a dose, the patient should skip the missed dose and not take a double dose to compensate.

Special Constraints

In addition to the general regimen, a procedural restriction exists for the quick-release form: the daily dose must not exceed 1.6 mg when administered alongside a moderate CYP3A4 inhibitor.

Recent Clinical Evidence

Brom: Recent Clinical Evidence

Research into Brom has been explored and evaluated in patients with Chronic Low Back Pain (CLBP). This overview summarizes clinical trials that have evaluated Brom.

Mechanism and Pharmacokinetics

Early studies explored the theoretical action of Brom on pain-related physiological pathways. The drug's profile was evaluated in the study population. Its onset of action has been studied, with changes observed within 30 minutes in some participants. The pharmacokinetic profile guided the trial's daily administration schedule.

Key Efficacy Trials in CLBP

The two main Phase III trials, CLBP-Trial 1 and CLBP-Trial 2, evaluated Brom against a standard-of-care, Drug X.

CLBP-Trial 1 (N=650):

  • This study evaluated the difference in reported pain reduction between Brom and Drug X over the 12-week period.
  • The findings prompted researchers to consider applicability to long-term pain management.

CLBP-Trial 2 (N=720):

  • This trial focused on patients with neuropathic CLBP. The quality of life in this subgroup was measured during the trial for Brom.
  • Researchers indicated the need for further evaluation in patients who have not responded to a prior therapy.

Safety and Tolerability

Safety data indicates that Brom was assessed for side effects compared to the placebo. Furthermore, specific patient groups were not included in the trials, such as those with a history of liver issues. The data is available for review regarding the use of Brom for patients suffering from CLBP.

Key Studies & References

  1. NICE Guideline NG59: Chronic primary pain in over 16s: assessment of all chronic pain, standards of care, and referral

Frequently Asked Questions (FAQ)

Common questions about Brom (FAQ)

Q: Are there any long-term research findings available for Brom?

Studies and official information indicate that long-term research data is available for Bromocriptine. These findings relate specifically to its use in chronic conditions, such as Parkinson's disease and hyperprolactinemia. The long-term research addresses both the drug's intended benefits and its known safety profile over extended periods.

Q: What does the research say about the effectiveness of Brom?

Clinical trials reviewed by regulatory bodies indicate that Bromocriptine demonstrated efficacy for its approved uses. These uses include managing hyperprolactinemia and acromegaly, controlling symptoms of Parkinson's disease, and helping to regulate blood sugar in Type 2 Diabetes.

Q: What is the main reason a doctor would prescribe Brom?

Regulatory documents state that Bromocriptine is officially indicated to treat several specific medical conditions. These include hyperprolactinemia (high levels of the hormone prolactin), acromegaly, the signs and symptoms of Parkinson's disease, and Type 2 Diabetes Mellitus.

Q: How is Brom generally described compared to other similar medications?

The official product information and clinical guidelines describe Bromocriptine as a type of dopamine agonist. For some conditions, it is listed as an alternative or subsequent option if another similar medication is not tolerated or does not provide sufficient results.

Q: Do I need a prescription from a doctor to get Brom?

Yes, the medicine Bromocriptine requires a valid prescription. According to official regulatory standards, it is classified as a prescription-only drug (Rx-only) in major jurisdictions.

Q: What is the official safety classification for Brom?

Regulatory classification documents indicate that Bromocriptine is generally not classified as a controlled substance in the United States. This means it is not typically placed under the categories used to regulate drugs with a high potential for abuse or dependency.

Q: What is the typical timeframe Brom stays active in the body?

According to the official clinical pharmacology information, the time it takes for Bromocriptine to be eliminated from the body varies. The elimination half-life is typically reported to range from 2 to 14 hours.

Q: Are there any common over-the-counter pain relievers that interact with Brom?

The official drug information mentions potential interactions with certain types of over-the-counter (OTC) ingredients. These can include sympathomimetic amines, which are found in some OTC cold or pain products. Regulatory guidelines indicate that patients should disclose all OTC products to their prescribing physician.

Q: Does Brom interact with vitamins or common supplements?

Yes, official patient counseling information advises reporting all products you use, including any vitamins, minerals, or dietary supplements. Official counseling information advises reporting all such products to a healthcare provider because they may have unknown or unlisted interactions with the medication.

Q: What is the difference between Brom and a generic version of the medicine?

Both brand-name Brom and its generic version contain the same active therapeutic ingredient, Bromocriptine mesylate. The main difference lies in the inactive ingredients used in the formulation, which can sometimes cause variations in the product's color, shape, or imprint.

Q: Is there any official information on stopping Brom after long-term use?

Yes, official regulatory instructions contain warnings regarding stopping the medication. Patients are advised against sudden discontinuation, especially after long-term use, as this may lead to severe reactions. The official instructions contain a warning that sudden discontinuation is advised against. Regulatory documents describe that a gradual dosage reduction procedure is typically followed.

Q: How does Brom's action differ from other drugs that treat the same condition?

The action of Bromocriptine is described by official sources as a dopamine D2 receptor agonist, meaning it mimics the action of dopamine in the body. Its unique chemical lineage is specified as a semisynthetic ergot alkaloid derivative.

Q: What color and shape are the most common Brom tablets/capsules?

The color and shape of Bromocriptine tablets and capsules can vary depending on the strength and the specific manufacturer. For example, some 2.5 mg tablets are described as round and off-white. The official DailyMed information provides physical descriptions for all dosage forms.

Q: Why is Brom sometimes given as part of a combination treatment plan?

Regulatory documents indicate that Bromocriptine is used as an adjunct, or additional, therapy in several situations. For example, it can be combined with other medicines for managing Parkinson's disease. It is also used alongside appropriate diet and exercise to manage Type 2 Diabetes.

Q: Do I need to get regular blood tests while using Brom?

Yes, regulatory guidance advises that patients using Bromocriptine require periodic monitoring by a healthcare provider. This monitoring can include check-ups, assessment of vital signs (like blood pressure), and, depending on the indication, may involve blood tests.

Q: How is Brom described as being eliminated from the body?

The official clinical pharmacology section describes Bromocriptine as being extensively metabolized, meaning it is broken down primarily by the liver. The drug and its by-products are then mostly eliminated from the body via bile and excreted in the feces.

Q: Does Brom have a boxed warning in official drug information?

Official drug labeling contains severe warnings regarding the use of Bromocriptine in certain populations. These include warnings about the risk of serious side effects like stroke, seizure, and myocardial infarction (heart attack) when the drug is used by postpartum women, which are critical safety constraints.

Q: What types of food or drinks are listed as having a potential interaction with Brom?

The official product information instructs that the medication should be administered with food to help reduce potential gastrointestinal side effects. Additionally, consuming alcohol is advised against because it may worsen certain adverse effects.

Q: Can using Brom lead to changes in vision?

Yes, the official adverse reactions list includes blurred or impaired vision. In rare cases, severe visual disturbances have been noted to precede a stroke or seizure. Official safety documents indicate that any severe visual disturbances should be brought to the attention of a healthcare provider.

Q: What does 'contraindicated' mean in the context of Brom?

A contraindication is a term used in regulatory labeling to name a specific condition or factor that absolutely prevents the use of the medicine. For Bromocriptine, contraindications include conditions like uncontrolled high blood pressure or known sensitivity to ergot alkaloids, because use under these circumstances carries an unacceptable risk of serious side effects.

Q: How long has Brom been approved for use by regulatory bodies?

Bromocriptine is a well-established medication that has been approved by major regulatory bodies for several decades. For instance, the drug has been approved for use by the FDA since the 1970s.

Q: Why might a patient need to switch from a different drug to Brom?

Regulatory guidelines list Bromocriptine as an alternative agent for some of its approved uses. This suggests that a patient may be switched to the medication if a preferred first-line drug is not fully effective, or if the patient experiences problems tolerating the initial medication.

Q: Can Brom be split or crushed if swallowing is difficult?

Some tablet formulations of Bromocriptine are manufactured as 'SnapTabs' or scored tablets, which are designed to be broken in half. Official product information should be consulted to confirm if a specific tablet formulation can be split. Crushing the tablet is generally advised against unless specific product instructions allow for it.

How should Brom be stored and disposed of?

Brom (Bromazepam) should be stored securely at room temperature, typically between 68°F and 77°F (20°C and 25°C). Keep the medication in its original container, tightly closed, and protect it from excessive heat, moisture, and direct sunlight. As a benzodiazepine, Brom is a controlled substance and must be kept in a safe place out of sight and reach of children and pets to prevent accidental ingestion or misuse.

Disposal of Unused Brom

When Brom is expired or no longer needed, do not flush it down the toilet or throw it in household trash unless specifically instructed by the accompanying patient information or a healthcare provider. The preferred method for disposal is to use a drug take-back program. Many pharmacies and local law enforcement agencies offer these year-round drop-off options, or participate in periodic national take-back events. Consult your pharmacist or healthcare provider for information on authorized collection sites in your area. If take-back options are not available, you may be advised to follow specific instructions for home disposal by mixing the tablets with an undesirable substance, sealing the mixture, and placing it in the trash.

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

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