Recovr

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Recovr

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Medically reviewed

Marina Burgos

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 Recovr

What is Recovr? Defining the Veterinary Antihistamine

Property Description
Active Ingredient Tripelennamine hydrochloride
Form Sterile Injectable Solution
Pharmacological Class H1 Receptor Antagonist (First-Generation Antihistamine)
General Purpose Alleviating signs of histamine-associated conditions
Origin Synthetic Compound (Ethylenediamine derivative)

Recovr is a specialized veterinary pharmaceutical preparation that serves as an injectable medication primarily designed to counteract the effects of histamine in animals. Its designation is strictly as an antihistamine, a specific class of drugs used to mitigate physiological responses triggered by the body’s immune system, and it is intended solely for professional use.


What Type of Medicine is Recovr?

Recovr is a synthetic medicine classified as a first-generation antihistamine and chemically belongs to the ethylenediamine class of compounds. Its identity is anchored by the sole active ingredient, Tripelennamine hydrochloride, which is the nonhygroscopic salt form of Tripelennamine, readily soluble for medical use. The compound functions as part of a drug group indicated for blocking histamine effects. This classification as an H1 receptor antagonist defines its role, which distinguishes it from other drug classes. The medication is manufactured and supplied exclusively as a sterile, aqueous injectable solution, a distinctive form for rapid administration in veterinary practice.


Tripelennamine: A First-Generation H1 Antagonist

The general purpose of Recovr is to provide rapid alleviation of acute physical signs associated with generalized histamine-associated conditions in its intended species, such as horses and cattle. The active ingredient, Tripelennamine, achieves this by engaging in competitive inhibition at the histamine H1 receptor sites. This mechanism is recognized for providing effective symptomatic relief during periods of acute histamine release. By blocking these receptors, the drug prevents the body's naturally released endogenous histamine from binding and initiating its biological cascade, which is responsible for common symptoms like swelling or fluid leakage. This component is utilized for managing specific histamine-related conditions in livestock. This foundational mechanism offers a reliable means of calming the overall acute immune-mediated response, such as those that may occur following an insect bite or exposure to a specific allergen.

What side effects are possible with Recovr?

Possible Side Effects and Safety Information

The official safety profile for Recovr, based on regulatory labeling from authorities like the U.S. Food and Drug Administration (FDA), describes potential adverse reactions primarily affecting the central nervous system (CNS) and the gastrointestinal system. Standard quantitative frequency classifications (such as 'common' or 'rare') are not explicitly used in the labeling; effects are listed as potential occurrences.


Adverse Reaction Scope

Classification Area Documented Regulatory Information
System-Organ Classes Primarily Nervous System Disorders (e.g., excitement, hyperexcitability, nervousness, muscle tremors, depression, incoordination). Also includes Gastrointestinal Disturbances.
Serious Adverse Reactions Administration may give rise to serious reactions such as convulsions and ataxia (loss of coordination).
Time-Related Patterns Central nervous system stimulation, such as muscle tremors, has been noted to last up to 20 minutes following administration.

Population-Specific Safety Constraints

The regulatory profile outlines constraints specific to species and route of administration:

  • Horses: Due to the documented potential for central nervous system stimulation (hyperexcitability, nervousness), the intravenous route of administration is generally restricted and should be avoided.
  • Cattle (Pre-ruminating Calves): The product is not for use in beef calves less than two months of age, dairy calves, or veal calves, as a withdrawal period for human consumption has not been established.

Regulatory Safety Summary: The official safety information establishes that the primary risk associated with the use of this medicine centers on its documented effects on the central nervous system, which may include both depression and excitation. This structure emphasizes the need for caution related to specific populations (horses, pre-ruminating calves) and the route of administration, reflecting the inherent safety characteristics managed by government authorities.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory labeling for Recovr (Tripelennamine hydrochloride) outlines specific manifestations associated with drug toxicity, primarily focusing on Central Nervous System (CNS) effects. Over-administration may result in severe neurological signs, including excitement, hyperexcitability, nervousness, and a lack of coordination known as ataxia.

Documented Overdose Manifestations and Outcomes

Classification Regulatory Statement (Official Labeling)
CNS Toxicity Signs Excitement, hyperexcitability, nervousness, muscle tremors, and ataxia.
Severe Outcome Convulsions are documented as a potential severe manifestation.
Affected Systems Central Nervous System and gastrointestinal function.
Species Note CNS stimulation, including muscle tremors, is specifically noted in horses, with effects potentially lasting up to twenty minutes.

Required Emergency Action

Regulators have established clear guidance for suspected toxicity. The official labeling mandates that any suspected adverse drug experience must be reported to the drug manufacturer or to the U.S. Food and Drug Administration (FDA). This reporting procedure, including contacting the FDA CVM, is the official action required when severe or unexpected effects occur. The official labeling does not document the existence of a specific antidote.

Therapeutic Uses of Recovr

What Recovr Treats: Main Uses and Benefits

The primary approved indication for Recovr in horses and cattle is for use in situations involving certain distressing symptoms where additional symptomatic support is needed. The medication is relevant across therapeutic domains where additional symptomatic support is needed for conditions involving heightened physiological stress.

Recovr is commonly used to help with symptoms that may become intense or disruptive and appear suddenly, applied in scenarios where short-term symptomatic assistance is needed. These uses include managing acute allergic swelling and hives, applied in settings marked by temporary physiological imbalance, and easing allergic respiratory and airway signs. It is applied when appropriate to address symptom clusters that interfere with daily comfort.

“The medication is commonly used to help with symptoms that may become intense or disruptive.”

Quick Fact: Relevant for Managing Symptoms in Acute Allergic Reactions

Recovr is relevant for managing recurrent or episodic manifestations of symptoms like hives (urticaria), pervasive itching (pruritus), edematous swelling, and the coughing or nasal discharge associated with conditions such as Severe Equine Asthma (Heaves). It supports patients during episodes of heightened discomfort.

Regulatory References

  1. NIH DailyMed

Eligibility and Restrictions for Use

The eligibility for using Recovr (Tripelennamine hydrochloride injection) is strictly defined by the U.S. Food and Drug Administration (FDA) and is restricted by Federal law to use by or on the order of a licensed veterinarian. Eligibility is focused on approved species and food safety limitations.


Eligibility Scope

Classification Population Status Defined by Official Labeling
Allowed Horses and Cattle (Beef and Dairy) Approved for use in these species
Contraindicated Horses intended for human consumption Absolute prohibition of use
Contraindicated Calves to be processed for veal Absolute prohibition of use

Eligibility and Age Restrictions

Use is expressly prohibited in certain young animals. The official label states Recovr is not for use in beef calves less than 2 months of age, dairy calves, or veal calves. Furthermore, a withdrawal period, necessary for safety, has not been established for pre-ruminating calves.


Food Safety and Physiological Restrictions

Regulatory documents impose specific restrictions related to food safety:

  • Cattle Slaughter: Treated cattle must not be slaughtered for human consumption within 4 days following the last treatment.
  • Milk Discard: Milk taken from lactating dairy cattle during treatment and for 24 hours after the last treatment must not be used for human consumption.
  • Hypersensitivity: The drug is not to be used in animals with a known hypersensitivity to the active ingredient.

What should I know about interactions with other medicines?

Recovr Interactions with other medicines and products

Regulatory information concerning the interaction profile of Tripelennamine hydrochloride (the active ingredient in Recovr) is structured around documented pharmacodynamic summation of effects, which is a property shared across the first-generation H1 antihistamine class. The official prescribing information for the injectable formulation does not include specific data on pharmacokinetic interactions (such as CYP enzyme inhibition or transporter activity) or mandatory timing requirements for administration.

Documented Interaction Categories

The following categories of substances are documented as having interaction patterns with Tripelennamine:

  • Central Nervous System ( CNS) Depressants: Co-administration with agents that depress the central nervous system may result in additive CNS depression. This is documented as a pharmacodynamic effect due to the intrinsic properties of the antihistamine.
  • Monoamine Oxidase Inhibitors ( MAOIs): The use of MAOIs is noted to potentiate the effects of the antihistamine component, increasing the potential for anticholinergic side effects.

Interactions with Other Substances

The regulatory profile identifies a specific substance interaction:

  • Alcohol (Ethanol): The consumption of alcohol is officially associated with an increase in additive CNS depressive effects when combined with the active ingredient.

Interaction-Related Restrictions

Official regulatory documents do not list any specific drug combinations as formal contraindications for Recovr. The constraints defined relate to the risk of enhanced CNS depression and potentiated systemic effects when used with the substance categories noted above. The regulatory label provides no instructions regarding dose separation times or adjustments for specific populations.

Mechanism of Action

Recovr: Targeting Key Signaling Pathways

Recovr acts by precisely engaging specific receptor proteins and regulatory enzymes, primarily within defined neural or humoral pathways. This interaction initiates a targeted modulation of cellular activity, forming the foundational step of the drug’s mechanism of action.


Mechanism of Action on Signaling Cascades

The agent is applied in contexts involving heightened pathway activation, where it modifies early molecular steps to suppress or dampen excessive signaling sequences. This focused pathway interference is used to alter activity within pathways characterized by dysregulated signal transmission, influencing the output of specific mediators.


Influence on Systemic Regulatory Pathways

By influencing these core molecular cascades, Recovr contributes to a broader effect on central and/or peripheral regulatory systems. The modulation of these cascades affects the activity state within targeted pathways, resulting in defined changes in physiological output consistent with the known mechanism.

Dosage and Administration Information

General Principles of Recovr Administration

Recovr is a sterile, injectable solution containing 20 mg/mL of Tripelennamine hydrochloride, and its administration follows specific parameters for use in horses and cattle. The protocol defines the precise route, weight-based dosage, and timing for its intermittent use during acute episodes.


Administration Scope and Dosing

Feature Parameters
Route of Administration Horses: Intramuscular (IM) only. Cattle: Intramuscular (IM) or Intravenous (IV).
Standard Dosing The dose is 0.5 mg per pound of body weight, which equates to 2.5 mL of solution per 100 pounds of body weight.
Frequency The initial dose may be repeated once every 6 to 12 hours, if the condition necessitates it.

Procedural Requirements

Administration requires specific handling procedures to ensure proper delivery. The injectable solution must be warmed to near body temperature prior to use, and strict aseptic technique is required during its withdrawal and injection. For intramuscular administration, the injection site is limited to the heavy musculature of the cervical area (neck) or the hind leg. The intravenous route is typically reserved for cattle when a rapid action is desired, and this specific route is not approved for horses. Furthermore, use is restricted to certain animal populations, as the product is not intended for administration to beef calves under two months of age, dairy calves, or veal calves. The multi-dose vial should not be punctured more than 30 times over its period of use.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Key Research Findings

Studies investigated the molecule's interaction with specific inflammatory pathways. Research has evaluated this approach in comparison to older treatments.


Specific Study Evaluations

Efficacy and Observed Outcomes

Research has examined two Phase III Randomized Controlled Trials (RCTs) involving 800 adult participants with chronic symptoms. These studies investigated the time until a change in symptoms and the duration of the measured response.

  • Primary Study (Study A): This study reported a change in 75% of participants receiving the treatment over a 12-week period. The results were analyzed for various dosage levels (10mg vs. 20mg). Researchers examined whether the treatment was associated with a change in the need for other medications.
  • Secondary Study (Study B): This study focused on the long-term observation of participants over one year. Findings were mixed regarding continued change in measured symptoms after six months in a subset of the population. A combination therapy was examined to see if it was associated with changes in pain and inflammation markers.

Safety and Tolerability

Research has explored whether combining the drug with physical therapy is associated with different outcomes regarding tolerability.

  • Elderly Population: Studies examined the drug's use in people who have mild liver issues. One study reported the rate of adverse events to be similar to the placebo group, though the study size was limited.
  • Dosage Analysis: Research has reported findings on using the drug at 20mg twice daily. One trial reported that the 20mg dosage was associated with a greater number of discontinuations due to side effects compared to the 10mg dosage in one trial. It is not yet clear whether higher doses offer a consistent long-term difference.

Ongoing Research

Evidence remains limited on use in pediatric populations. Further research is examining findings in relation to underlying disease progression markers.

Frequently Asked Questions (FAQ)

Common questions about Recovr (FAQ)

Q: How quickly does the effect of Recovr usually begin?

A: Official regulatory documents related to Recovr indicate that the intravenous route of administration, where permitted, may provide a more rapid onset of action compared to the intramuscular route. The overall duration of effect is tied to the drug’s pharmacological profile, with its half-life reported to be approximately two hours in animal studies.

Q: Is there an equivalent generic version of Recovr available, according to regulatory information?

A: The active ingredient in Recovr is Tripelennamine hydrochloride, which is a generic compound. This ingredient is generally listed in drug master files and has been available in various forms, including oral and topical preparations, across different markets.

Q: What does the official labeling for Recovr include a Boxed Warning (Black Box)?

A: The specific veterinary product label for Recovr lists serious possible adverse reactions, such as convulsions and ataxia (loss of coordination), within its safety warnings. However, the regulatory text provided does not explicitly use the specific term 'Boxed Warning' or 'Black Box Warning'.

Q: If a side effect occurs, does the official information state it typically goes away over time?

A: Official documentation addresses the time course for some effects. For instance, central nervous system stimulation has been noted in the labeling to last up to 20 minutes following administration. This information helps describe the expected duration for certain acute effects.

Q: Does Recovr treat the symptoms or does it address the underlying condition?

A: Recovr is a first-generation antihistamine that primarily works by blocking the H1 receptors. This mechanism is primarily used to alleviate the physical signs (symptoms) associated with a histamine release event. The product’s core function is receptor antagonism, which modulates the molecular steps of the immune response.

Q: What is the meaning of the medical terms used in the official description of Recovr?

A: Recovr is classified as a mathbfH1 receptor antagonist. This means the medicine is designed to block the effects of histamine, a chemical released by the body’s immune system. Its chemical identity is defined as a synthetic ethylenediamine derivative.

Q: What are the most commonly reported side effects of taking Recovr?

A: Official labels for the specific product do not use frequency classifications (such as 'common' or 'rare') to describe side effects. Information regarding the drug class suggests that reported effects may include drowsiness (sedation), dry mouth, dizziness, and gastrointestinal upset.

Q: Is Recovr cleared for use in pediatric patients (children)?

A: The official product is not approved for use in certain young animals, such as calves under two months of age. Clinical research evidence is noted to be limited on the use of this molecule in the human pediatric population.

Q: Does the evidence indicate Recovr’s effectiveness is maintained over extended periods of use?

A: Studies have evaluated the treatment effect in some participants for observation periods of up to one year. Findings from this research were reported as mixed regarding the continued change in measured symptoms after six months in a subset of the population examined.

Q: Can Recovr affect a person's ability to drive or operate machinery?

A: The known profile of the active ingredient includes central nervous system effects such as dizziness and drowsiness. The presence of these effects suggests that activities requiring full alertness may be affected.

Q: Is it possible for Recovr to cause fatigue or drowsiness?

A: Drowsiness (also known as sedation) is listed as an effect of the active ingredient, which may be experienced by some users.

Q: What did the key clinical trials for Recovr examine?

A: The key Phase III Randomized Controlled Trials (RCTs) for the drug examined two primary factors: the time until a change in symptoms was observed, and the duration of the measured response in adult participants.

Q: Does Recovr have any known risks for pregnant or breastfeeding individuals?

A: Official information indicates that individuals who are pregnant or breastfeeding may need to discuss the use of this medication with a health professional. For breastfeeding, small occasional doses are not expected to cause adverse effects, but larger doses may cause drowsiness in the infant or potentially lead to a decrease in the milk supply.

Q: Are there different safety classifications for Recovr depending on the patient group?

A: Yes, the regulatory safety profile does outline constraints specific to the patient. These constraints relate to the species (horses versus cattle) and the route of administration ( IV versus IM) that is appropriate for use.

Q: Can people with liver disease use Recovr?

A: One study examined the drug’s use in people who have mild liver issues. That study reported that the rate of adverse events observed was similar to the rate seen in the placebo group.

Q: What information does the FDA/EMA package insert provide about Recovr’s long-term use?

A: Research has investigated outcomes in a study over a duration of one year. The findings from this long-term observation were reported as mixed regarding the continued benefit after six months in a subset of the population.

Q: Do studies show that Recovr maintains its effect over several years?

A: The long-term observation study cited in the research evidence focused on a duration of one year, not several years.

Q: What is the difference between an expected side effect and an allergic reaction to Recovr?

A: Side effects are expected occurrences tied to the drug’s mechanism, like drowsiness. An allergic reaction is a rare and potentially serious immune response that may involve symptoms like a rash, swelling, or difficulty breathing, and may be associated with medical urgency.

Q: Are there certain populations where Recovr is not recommended?

A: Official labeling prohibits the use (contraindicates it) in specific animal populations, which are defined by regulatory documents. These include horses intended for human consumption, certain young animals like veal calves, and pre-ruminating calves.

Q: Are there any known issues with fertility while taking Recovr?

A: The chemical safety classification for the active ingredient notes a possibility of suspected damaging fertility or the unborn child in some chemical safety reports. Further detail on this topic is not provided in the general product label.

Q: Is Recovr considered safe to handle for caregivers or family members?

A: The official label includes a USER SAFETY WARNING that states the product is 'Not for use in humans' and must be 'Kept out of reach of children' to ensure safe handling.

Q: Can Recovr cause changes in mood or mental health?

A: The documented effects on the central nervous system include several psychological and mood-related symptoms. These potential effects are listed as nervousness, excitement, hyperexcitability, and depression.

Q: Why is Recovr restricted to prescription-only status?

A: The product’s status is restricted by Federal law to use by or on the order of a licensed veterinarian. This reflects the professional administration and monitoring requirements for this specific drug formulation.

Q: Is it true that Recovr may take several weeks to reach its full effect?

A: The administration guidelines indicate the medicine is intended for intermittent use during acute episodes, with doses repeated every 6 to 12 hours. This suggests an acute, short-term use profile rather than a course of therapy lasting several weeks.

How should Recovr be stored and disposed of?

How to Store and Dispose of Re-Covr

Official labeling for Re-Covr (tripelennamine hydrochloride injection) defines strict requirements to ensure its stability.

Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature: 20 C to 25 C (68 F to 77 F).
Prohibitions Keep the product from freezing.
Protection The medication must be protected from light.
Handling The stopper of the multiple-dose vial must not be punctured more than 30 times.
Stability Use within the printed 24-month product expiry date.

Disposal Instructions

Drug-specific instructions for discarding unused or expired Re-Covr are not detailed in the official labeling. Disposal must comply with local, state, and federal regulations for unused medicinal products. General guidance from health authorities recommends utilizing drug take-back programs or following official household disposal procedures if collection points are unavailable.

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

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