Buprecare

Quick links to important sections

Buprecare

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 Buprecare

What is Buprecare?

Buprecare is a veterinary medicinal product used in clinical practice primarily for the management of pain in animals. It belongs to a group of medications known as opioid analgesics. The active substance in the formulation is buprenorphine, which works by acting on specific receptors in the central nervous system to alter the perception of pain.

Therapeutic Application

In a clinical setting, Buprecare is utilized to provide relief from various levels of discomfort. It is most commonly integrated into veterinary protocols for:

  • Post-operative pain management: To help animals recover comfortably following surgical procedures.
  • Potentiation of effects: It is often used in combination with other sedative or anesthetic agents to enhance their efficacy during clinical interventions.

Mechanism of Action

Buprenorphine, the active component, is classified as a partial opioid agonist. This means that while it binds to the same receptors as full opioids, it produces a plateau effect in its activity. One characteristic feature of this substance is its high affinity for these receptors, which often results in a longer duration of action compared to some other short-acting analgesics.

Characteristics in Veterinary Use

Buprecare is typically available as an injectable solution, allowing for precise administration within a professional veterinary environment. It is valued for its ability to provide systemic pain relief without causing the profound sedation associated with more potent full opioid agonists, making it a common choice for both feline and canine patients requiring specialized care.

Regulatory References

  1. published by the NIH
  2. according to MedlinePlus

What side effects are possible with Buprecare?

Possible Side Effects and Safety Information

The safety profile for Buprenorphine (Buprecare) is formally classified by regulatory authorities, with adverse reactions grouped by frequency and the body systems affected. These classifications establish the factual scope of potential risks, separate from usage instructions or therapeutic benefits.

Official Adverse Reaction Categories

Adverse events are categorized according to regulatory frequency standards. Very Common side effects, observed in more than one in ten patients, include insomnia, headache, nausea, hyperhidrosis (excessive sweating), and features of drug withdrawal syndrome. Common reactions often affect the gastrointestinal tract and nervous system, and may include dizziness, somnolence (drowsiness), constipation, vomiting, and anxiety.

System-Organ Class (SOC) Examples of Officially Listed Effects
Nervous System Headache, Dizziness, Somnolence, Tremor
Gastrointestinal Nausea, Vomiting, Constipation, Dry mouth
Psychiatric Insomnia, Anxiety, Depression, Hallucination
Hepatobiliary Hepatitis, Jaundice, Hepatic necrosis

Serious Adverse Reactions and Constraints

The most significant and life-threatening risk highlighted in regulatory documents is respiratory depression, a risk closely monitored during treatment initiation and dose adjustment. Other officially documented serious risks include severe hepatic events and the potential for Neonatal Opioid Withdrawal Syndrome (NOWS) if the medication is used for a prolonged period during pregnancy.

Regulatory safety statements specify that Buprenorphine is not generally recommended in patients with severe hepatic impairment and caution is advised for elderly patients. The product also carries a specific safety constraint concerning the risk of fatal overdose in opioid-naïve patients.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose involving buprenorphine, the active ingredient in Buprecare, can lead to serious, life-threatening, or fatal respiratory and central nervous system (CNS) depression.

Documented Overdose Presentations

Official regulatory sources define the principal clinical signs of an opioid overdose involving this drug. These signs include:

  • Respiratory Depression: Characterized by dangerously slowed or stopped breathing, which is the primary cause of fatal outcomes.
  • CNS Depression: Presenting as profound sedation, extreme sleepiness, or loss of consciousness and coma.
  • Miosis: Pinpoint pupils; however, pupils may be dilated in cases of severe oxygen deprivation (hypoxia).

Factors Increasing Overdose Risk

Risk is substantially increased when Buprecare is used with other CNS depressants, including benzodiazepines, sedatives, tranquilizers, or alcohol. Severe respiratory depression and death have been documented with such co-ingestion. Additionally, unintentional exposure in children can cause severe and possibly fatal respiratory depression. Unintentional fatalities have also been reported in opioid-naïve individuals, even at low doses.

Emergency Actions and Management

Immediate emergency medical attention must be sought for any known or suspected overdose. If symptoms such as severe sleepiness, trouble breathing, or inability to wake a person occur, emergency services should be contacted immediately. Management involves providing supportive measures, including maintaining an airway and ventilation, and using an opioid antagonist (e.g., naloxone).

Due to buprenorphine’s long duration of action and strong receptor binding, higher than normal doses and repeated administration of naloxone may be necessary to attempt reversal of respiratory depression. Treatment may only be partially effective, emphasizing the critical need for comprehensive supportive care.

Therapeutic Uses of Buprecare

The medication is commonly used to help with symptomatic relief and manage discomfort across specific therapeutic domains. Its main uses are generally aligned with established clinical applications for the management of pain.


Easing Moderate to Severe Pain

This medication is commonly used to help with symptoms related to physical discomfort that range from moderate to severe. It is applied across domains where additional symptomatic support is needed to address symptoms that create noticeable physiological strain. It is relevant when symptoms become temporarily overwhelming, and provides support that helps ease the overall symptom burden during symptomatic periods. The medication is commonly used to help with conditions presenting with acute episodes of pain and significant discomfort.


Supporting Comfort During Medical Procedures

The medication is applied in clinical settings that involve acute or disruptive symptom patterns, often used during phases when symptoms become more noticeable due to medical procedures. It helps address symptom clusters associated with significant discomfort both before and after an intervention. This contributes to improved comfort during periods of heightened symptoms, supports the patient during difficult episodes by easing distress, and supports general well-being during symptomatic phases.

Quick Fact: Relief for Acute Discomfort The medication is commonly used to help with sudden, severe pain when short-term symptomatic assistance is needed.

Eligibility and Restrictions for Use

The eligibility for using Buprecare is defined by official regulatory documents, which establish specific conditions and populations for whom the medicine is permitted, restricted, or prohibited.

Contraindications and Absolute Restrictions

Official labeling contraindicates use in patients with a known hypersensitivity to Buprenorphine or its components, as well as those with Severe Hepatic Insufficiency (Child-Pugh C) or Severe Respiratory Insufficiency. The medicine is also prohibited for individuals experiencing Acute Alcohol Intoxication or Delirium Tremens. Regulatory bodies further state that combination products are not appropriate for opioid-naïve patients.


Specific Population Rules

Population Category Official Regulatory Status
Pediatric Patients (Under 16) Use is Contraindicated for certain OUD products or safety is Not Established.
Geriatric Patients (Over 65) Safety is Not Established; use is allowed but requires Caution and monitoring.
Moderate Hepatic Impairment Use is Not Recommended or requires dose reduction and careful monitoring.
Severe Renal Impairment Caution is Recommended.
Pregnancy Prolonged use is associated with Neonatal Opioid Withdrawal Syndrome (NOWS).
Lactation Not Advised or Contraindicated (depending on regional label).

These constraints ensure the medicine is used only by populations for whom an established safety and eligibility profile exists, as determined by national health authorities.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The Buprenorphine component of Buprecare interacts with other substances via both metabolic (pharmacokinetic) and additive (pharmacodynamic) mechanisms documented in official regulatory labeling.


Documented Interaction Patterns

Interaction Type Interacting Categories/Substances Regulatory Statement Basis
CNS Depression Augmentation Benzodiazepines, other CNS Depressants (including alcohol, general anesthetics) Documented risk of profound sedation, respiratory depression, and death due to additive effects.
Serotonergic System Risk Serotonergic Drugs (e.g., SSRIs, MAOIs, Triptans) Documented risk of the pharmacodynamic event known as serotonin syndrome.
Pharmacokinetic Alteration CYP3A4 Inhibitors and CYP3A4 Inducers The drug is metabolized primarily by the CYP3A4 enzyme; co-administration may officially increase or decrease Buprenorphine plasma exposure.

Interaction-Related Constraints and Cautions

Timing Restriction (Full Opioid Agonists)

Administration to a physically dependent individual must be timed carefully. To prevent precipitated withdrawal, the regulatory label specifies that the first dose must be administered only when objective signs of moderate opioid withdrawal are evident. This typically requires a waiting period after the last use of a Full Opioid Agonist.

Population-Specific Pharmacokinetic Note

For patients with Moderate and Severe Hepatic Impairment, official documents state that increased Buprenorphine plasma levels and prolonged clearance are observed, reflecting an altered exposure profile in this population.

Mechanism of Action

Buprecare, the hydrochloride salt of buprenorphine, acts primarily on mu-opioid receptors (mu-OR) distributed throughout the central nervous system, including the spinal cord and brain.

It functions as a partial agonist at the mu-OR, demonstrating high receptor affinity but possessing lower intrinsic activity compared to full agonists. Its interaction at this target is characterized by a very slow rate of dissociation, contributing to a prolonged duration of action. Intracellularly, mu-OR activation by Buprecare leads to G-protein coupled receptor (GPCR) signaling, specifically inhibiting the enzyme adenylate cyclase. This action subsequently reduces intracellular cyclic adenosine monophosphate (cAMP) levels, modulating neuronal excitability. Concurrently, Buprecare operates as an antagonist at kappa-opioid receptors (kappa-OR) and potentially exhibits weak agonist activity at delta-opioid receptors (delta-OR). The overall system-level physiological consequence of this differential opioid receptor modulation involves altered neurotransmitter release, membrane hyperpolarization, and decreased central nervous system signal transmission.

Dosage and Administration Information

Instruction Map: How to use Buprecare — Administration Guidelines

The following information pertains to the administration of Buprecare 0.3 mg/ml Solution for Injection for dogs and cats.

Administration Scope Details
Route of Administration: Intramuscular (IM) injection or Intravenous (IV) injection.
Dosing Schedule: Dogs & Cats: 10–20 mu g of buprenorphine per kg of body weight (equivalent to 0.03–0.06 ml of the product per kg).
Preparation Requirements: The animal's body weight must be accurately determined prior to administration. A suitably graduated syringe must be used to ensure correct and precise dosing.
Age-Group Rules: The safety of buprenorphine has not been demonstrated in animals less than 7 weeks of age.
Special Procedural Conditions: The product should be administered pre-operatively as part of premedication to ensure the intended effect is present during surgery and immediately upon recovery. When administered with other centrally-acting agents, the dose of those agents should be reduced.

Frequency and Repetition

Species Repetition Schedule
Dogs For further administration, the dose may be repeated after 3–4 hours with 10 mu g/kg or after 5–6 hours with 20 mu g/kg.
Cats The dose may be repeated once, if necessary, after 1–2 hours. Long-term use in cats has not been investigated beyond 5 consecutive days of administration.

Connection to the Overall Use Protocol

The instructions indicate that this medicine is given solely by injection (IM or IV), establishing a parenteral administration protocol that necessitates use by a trained professional. The dosing is strictly weight-based and species-specific, requiring precise measurement to ensure accuracy. The timing of administration is tied directly to a surgical procedure (pre-operative dosing), structuring its use as a scheduled, procedural component rather than an as-needed, non-procedural medicine.

Recent Clinical Evidence

Buprecare: Recent Clinical Evidence

Research regarding Buprecare (buprenorphine) focuses on its clinical utility across different conditions, often leveraging its distinct pharmacological profile as a partial agonist at the mu-opioid receptor. This property is associated with a ceiling effect on respiratory depression, which may contribute to a different safety profile compared to full opioid agonists.


Clinical Efficacy and Outcomes

Studies have assessed Buprecare's performance in managing moderate to severe chronic pain and in the substitution treatment for opioid use disorder (OUD). Key findings reported in clinical trials include:

  • Chronic Pain: Randomized controlled trials have demonstrated that Buprenorphine can provide effective pain relief in patients with chronic pain. Long-term follow-up studies extending up to several years have also been conducted to observe sustained pain scores and tolerability.
  • Opioid Use Disorder (OUD): Buprenorphine is widely supported by high-quality evidence as an effective pharmacotherapy for OUD. It works to diminish the effects of physical dependence, such as withdrawal symptoms and cravings, as part of a comprehensive treatment plan.

Safety and Tolerability Profile

The safety of buprenorphine has been evaluated extensively across various formulations and patient populations. Common reported side effects are consistent with those of other opioids, including nausea, constipation, and headache. In general, clinical data support Buprecare's overall safety and tolerability when used as indicated, particularly in comparison to full opioid agonists due to its ceiling effect on respiratory depression.

Studies specifically highlight that Buprecare may be considered for populations such as the elderly and those with renal impairment, as its metabolic and elimination pathways may be advantageous in these groups. However, all therapeutic decisions must be made by a healthcare professional after individual assessment.

Frequently Asked Questions (FAQ)

Common questions about Buprecare (FAQ)

Q: Why do some people say Buprecare is a 'strong' medicine?

Official pharmacological descriptions note Buprenorphine's high binding affinity at the mu-opioid receptor, a characteristic that contributes to its prolonged duration of action. However, the medicine functions as a partial agonist, meaning it has a ceiling effect that limits the maximal activity at the receptor.

Q: What is the reason Buprecare is sometimes prescribed for long-term use?

Official health guidelines and regulatory documents support the long-term use of buprenorphine for the management of Opioid Use Disorder (OUD). In this context, it functions as a maintenance treatment to reduce cravings and withdrawal symptoms, which may continue indefinitely to manage the chronic medical condition.

Q: Are there different forms or strengths of Buprecare available?

Buprenorphine products are available in multiple forms, including sublingual tablets or films (placed under the tongue), transdermal patches, and various solutions for injection or implant. Strengths are specifically tailored to the different approved uses, such as pain management or support for Opioid Use Disorder.

Q: Can Buprecare cause changes in mood or sleep?

Regulatory labels list several psychiatric and nervous system effects. Common side effects that may affect mood and sleep include difficulty falling asleep (insomnia) or staying asleep, anxiety, and headache. Somnolence (drowsiness) is also listed.

Q: Is feeling tired a common side effect of Buprecare?

Regulatory documents list somnolence (drowsiness) as a common side effect. Drowsiness is a type of fatigue that is noted in the drug's safety profile, and patients are cautioned about potential impairment.

Q: Does Buprecare cause any problems with teeth or mouth health?

The U.S. Food and Drug Administration (FDA) has noted an association between buprenorphine medicines dissolved in the mouth (transmucosal forms) and serious dental problems. This includes reports of tooth decay, cavities, and tooth loss, even in individuals with good dental health prior to treatment.

Q: Is it safe to drive or operate machinery while taking Buprecare?

Official safety warnings advise against driving a car or operating heavy machinery. This constraint is due to the documented risk of drowsiness, dizziness, and impaired judgment associated with the medicine.

Q: Is Buprecare considered a controlled substance?

Yes, buprenorphine products are classified by the U.S. Drug Enforcement Administration (DEA) as Schedule III controlled substances. This classification indicates that the medicine has an accepted medical use and a moderate to low potential for physical and psychological dependence.

Q: What makes Buprecare a long-acting treatment?

The active ingredient, buprenorphine, acts on the mu-opioid receptor. Its prolonged duration of action is attributed to a very slow rate of dissociation from this receptor, which helps sustain its effect over time.

Q: How is Buprecare different from methadone or similar medicines?

The key difference is that Buprenorphine is a partial mu-opioid receptor agonist with a 'ceiling effect' on receptor activity. Medicines like methadone are generally full agonists. This distinction is relevant to its overall safety profile regarding respiratory depression.

Q: What does the research say about Buprecare's use in younger adults?

Research reviewed by government health bodies supports the use of buprenorphine as a component of treatment for adolescents and young adults dealing with Opioid Use Disorder (OUD). Studies have linked its use to improved treatment retention and better clinical outcomes in this population.

Q: Is there a maximum amount of time a person can use Buprecare?

Official health guidelines and regulatory documents support that treatment may continue indefinitely for some patients, as duration decisions are based on the individual’s clinical needs and response. There is no maximum duration specified for maintenance therapy.

Q: Are there any specific tests a doctor will do before prescribing Buprecare?

Official prescribing guidelines suggest that healthcare providers may order lab tests, such as those checking liver and kidney function, before starting treatment. For individuals with a history of heart problems, an electrocardiogram (ECG) is sometimes recommended.

Q: Can Buprecare affect the results of drug screenings or lab tests?

Buprenorphine can affect the results of lab tests. The molecule is often structurally distinct from many common opioids tested in standard opioid drug assays and may not be detected on standard tests unless a buprenorphine-specific test is ordered.

Q: Why is Buprecare sometimes available in combination with another medicine?

Buprenorphine is sometimes formulated as a fixed-dose combination product with naloxone, which is an opioid blocker. This combination is intended to reduce the potential for misuse, as naloxone becomes active if the medicine is not used as prescribed (e.g., if injected).

Q: How often do people using Buprecare need to see their healthcare provider?

Regulatory guidance indicates that the frequency of visits may be more frequent (e.g., weekly) during the initial stabilization phase. Once treatment is stable, the required frequency of follow-up visits may be extended to up to every 30 days, based on clinical need.

Q: What is the meaning of the specific safety rating Buprecare has?

Its classification as a Schedule III controlled substance indicates that the medicine has an accepted medical use and a moderate to low potential for physical and psychological dependence, according to the DEA.

Q: Can Buprecare cause problems if I drink caffeine?

Official documentation does not list a dangerous interaction with caffeine. However, caffeine is a stimulant and may amplify common side effects of buprenorphine, such as insomnia or restlessness. Fluids may also affect the absorption of certain forms if consumed too soon after administration.

Q: What does 'evidence indicates' regarding the long-term benefit of Buprecare?

Clinical evidence for long-term use in Opioid Use Disorder indicates significant benefits. Studies have demonstrated improved outcomes, including a greater likelihood of sustained abstinence, better social functioning, and a reduction in mortality risk.

Q: What should I know about taking Buprecare if I have a history of heart issues?

Regulatory documents indicate that buprenorphine can cause an increase in the QT interval, a change in the heart's electrical rhythm (QTc prolongation). Patients with pre-existing heart disease or those taking other QT-prolonging medications may require monitoring, such as an electrocardiogram (ECG).

Q: What are the requirements for a doctor to be eligible to prescribe Buprecare?

For treatment of Opioid Use Disorder (OUD), prescribers must obtain a specific federal waiver (often called a DATA waiver) to legally prescribe the medicine. For buprenorphine products used solely for pain management, any DEA-licensed provider can generally prescribe them.

Q: What types of food or drinks should be avoided while using Buprecare?

Official interaction warnings state that alcoholic beverages or products containing alcohol should not be consumed due to the documented risk of profound sedation and respiratory problems. Additionally, some official sources suggest avoiding grapefruit and grapefruit juice, as they may increase the concentration of the drug in the body.

Q: What are the official guidelines for stopping the use of Buprecare?

Official health guidance indicates that the discontinuation of buprenorphine should involve a slow tapering of the dosage under the direct supervision of a healthcare professional. This process is intended to minimize the potential for withdrawal symptoms. Continued monitoring and psychological support are also often recommended.

Q: What is the difference between misuse and dependence related to Buprecare?

Physical dependence is a physiological adaptation where the body expects the medicine to be present, resulting in withdrawal symptoms if the medicine is abruptly stopped. Misuse involves using the medication in any way other than directed by a healthcare professional, such as altering the route of administration.

Q: Does Buprecare interact with certain vaccines or cold medications?

Official warnings highlight that many cold medications contain ingredients that act as Central Nervous System (CNS) depressants (like certain antihistamines), which carry a documented risk of profound sedation and breathing problems when combined with buprenorphine. Vaccines, however, are not noted to have a common drug interaction.

Q: Do older adults (seniors) need to take a different dose of Buprecare?

Official regulatory documents advise caution for patients over the age of 65. Due to altered metabolism and potential sensitivities, a lower starting dose or increased monitoring may be appropriate. The official label recommends that the therapeutic decision be made by a healthcare professional.

How should Buprecare be stored and disposed of?

Storage and Disposal Requirements for Buprenorphine Products

Buprenorphine products must be stored and disposed of according to strict official guidelines due to their classification as controlled substances. These rules ensure product stability and prevent misuse or fatal accidental exposure, particularly in children.

Official Storage Conditions

Requirement Category Condition
Temperature Store at controlled room temperature, 20 C to 25 C (68 F to 77 F).
Protection Must be protected from moisture and stored in the original container.
Child Safety Must be stored safely out of the sight and reach of children and secured against theft.

Disposal Instructions

Disposal procedures vary by form. Used buprenorphine transdermal patches must be folded (adhesive to adhesive) and immediately flushed down the toilet; this procedure also applies to unused or expired patches. Other unused or expired forms must be destroyed appropriately and according to local regulations.

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

Available in countries:

Equivalent of Buprecare found in:

A-Z Index: