Killitam

Quick links to important sections

Killitam

Treatment option:

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 Killitam

Killitam is a veterinary medicinal product whose active substance is Acepromazine maleate, primarily classified as a phenothiazine derivative used to achieve tranquilization and sedation in animals.

Property Description
Active Ingredient Acepromazine maleate
Pharmacological Class Phenothiazine derivative, Neuroleptic agent
Common Use Tranquilization and sedation
Origin Synthetic compound
Delivery Forms Oral tablets, Oral drops, Injectable solution

Killitam functions as a potent neuroleptic agent and Central Nervous System (CNS) depressant, with a profile characterized by its reliable dampening of central nervous activity. This chemical profile ensures the medication is designated exclusively for animal use under professional supervision.

What Type of Medicine is Killitam? (Identity and Classification)

Killitam belongs to the class of phenothiazine tranquilizers, a group clinically recognized for their ability to modulate neurological signaling and dampen central activity. The drug is a fully synthetic derivative of the phenothiazine structure, and as a neuroleptic agent, it interferes with specific neurotransmitter systems, which sets it apart from simple sedatives. This action is crucial for controlled patient management, such as during preparation for diagnostics or minor procedures.

Composition and Available Forms of Acepromazine (Structure and Delivery)

The composition of Killitam is strictly monocomponent, containing only the active substance, Acepromazine maleate. This formulation is supplied in multiple dosage forms, including oral tablets and a sterile injectable solution. The availability of both oral and parenteral forms is a distinguishing factor that provides veterinarians with flexibility in the route of administration.

What is the General Purpose of Killitam? (Benefit and Effect)

The general therapeutic purpose of Killitam is to produce predictable and effective sedation and chemical restraint in target animal species. This CNS-depressant action makes the drug an effective tool for achieving controlled tranquilization, which helps manage high levels of excitement or anxiety in animals. The primary benefit is promoting quietness and stability, thereby making the animal more cooperative for routine procedures.

Regulatory References

  1. U.S. Food and Drug Administration

What side effects are possible with Killitam?

Possible Side Effects and Safety Information

Killitam (Acepromazine maleate), a neuroleptic agent, has an official regulatory safety profile detailing adverse reactions primarily classified across specific physiological systems. These documented effects stem from the drug's action as a central nervous system depressant.

Documented Adverse Reactions and Frequency

Adverse reactions are formally grouped by affected systems, including Cardiac and Vascular Disorders (e.g., hypotension, tachycardia, arrhythmia) and Nervous System Disorders (e.g., ataxia, miosis, inhibition of temperature regulation). Effects on the Blood and Lymphatic System are also documented, often described as transient decreases in erythrocyte, leukocyte, and thrombocyte counts. Specific, rare but serious idiosyncratic reactions are noted, such as behavioral disorders including aggression or generalized CNS stimulation (paradoxical excitement).

Population-Specific Safety and Constraints

Safety labeling specifies constraints for use based on pre-existing conditions. The medicine is contraindicated in animals with heart and/or lung failure, hypothermia, specific haematological disorders (e.g., anaemia), or an existing tendency to convulsions or epilepsy. Furthermore, specific population risks are documented: male horses are at risk of penile prolapse, and Boxers or short-nosed breeds may exhibit a propensity for syncope. Caution is required in animals with hepatic disease and in those considered debilitated. Interaction-related safety notes prohibit use with certain other drugs, such as organophosphates.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose of Killitam can cause serious adverse effects, primarily involving the hepatic system, and is classified as a medical emergency. Clinical manifestations may not become apparent immediately following excessive exposure, often delaying the onset of severe symptoms. The gravity of the event is directly related to the dose or level of exposure.

Immediate medical attention is required for any suspected overdose, even if no symptoms are present. Do not wait for discomfort or visual signs of toxicity to develop. Prompt emergency assessment and treatment are essential for a favorable outcome.

Overdose Presentation and Manifestations
Early-stage symptoms may include nausea, vomiting, loss of appetite, and upper abdominal pain.
Advanced stages can lead to signs of liver damage, such as jaundice (yellowing of the skin or eyes), pain in the upper right side of the abdomen, confusion, and coagulation disorders.
In severe cases, high exposure levels may result in coma, multi-organ failure, and death.

Required Emergency Actions

If an overdose is suspected or confirmed, or if too much of this product was taken, immediately contact emergency medical services or a poison control center. Providing information on the amount taken and the time of ingestion is critical for treatment planning. Treatment in a medical setting typically involves supportive care and may include the administration of an antidote or other pharmaceutical agents to limit systemic toxicity. Close monitoring of vital signs and laboratory parameters is required for all patients who have exceeded the recommended maximum dose.

Therapeutic Uses of Killitam

What Killitam Treats: Main Uses and Benefits

Killitam (Acepromazine maleate) generally provides symptomatic support across key domains where symptoms related to heightened physiological activity may interfere with necessary care or safety, and is used to help with moderating distressing manifestations, contributing to temporary, supportive therapeutic benefit. This is aligned with its role as a preanesthetic and tranquilizer.

Behavioral Management and Sedation

The medication may assist with addressing symptom clusters that may become intense or disruptive, such as excitement, nervousness, and restlessness. It is applied across domains where additional symptomatic support is needed, specifically for achieving chemical restraint and providing sedation prior to handling or procedures. This helps maintain a sense of stability when excitement or nervousness becomes temporarily overwhelming, contributing to the ability to safely perform necessary examinations and transport.

Support for Situational Discomfort

Killitam may assist with easing symptoms of vomiting linked to motion sickness. Furthermore, in large animals, it supports the management of symptoms related to muscular spasms and conditions where functional stability becomes affected (such as early laminitis), making it relevant in contexts marked by increased discomfort or tension.


Quick Fact: Support for Heightened Physiological Activity Killitam may assist with maintaining a sense of stability when excitement or nervousness becomes temporarily overwhelming, contributing to the overall patient comfort during symptomatic periods.

Regulatory References

  1. Acepromazine Injection official information from DailyMed

Eligibility and Restrictions for Use

Who Can and Cannot Use Killitam?

Eligibility for Killitam (Acepromazine maleate) is strictly defined by regulatory authorities for use only in the target species: dogs, cats, and horses. Use in any animal intended for human consumption is expressly prohibited.

Classification Population or Condition
Absolute Contraindications Animals with severe hepatic, cardiac, or renal dysfunction.
Animals in post-traumatic shock, hypovolemia, or severe anaemia.
Animals with organophosphate poisoning or recently treated with procaine hydrochloride.
Age and Reproductive Status Not established for use in pregnancy or lactation; safety is not established in these groups.
Contraindicated in dogs less than three months of age and in neonates.
Use with Caution/Restriction Debilitated, stressed, or older animals; reduced doses are required.
Male horses, including breeding stallions, due to the risk of penile prolapse.
Certain sensitive breeds (e.g., Boxers, Greyhounds) or dogs with the MDR1 genetic mutation.

Eligibility is dependent on a clean systemic health status, requiring greater care when administering the medicine to animals exhibiting symptoms of stress, hypovolemia, or any history of liver dysfunction.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Killitam (Acepromazine maleate) is defined by officially documented additive effects and mandatory restrictions against certain combinations.

Contraindicated Combinations

Co-administration is officially prohibited for substances that are potentiated by phenothiazines, including Procaine hydrochloride. The drug must not be used in conjunction with organophosphates—including vermifuges or ectoparasiticides such as those found in flea collars—due to the risk of potentiating their toxicity. Furthermore, Epinephrine is prohibited for treating drug-induced acute hypotension, as this interaction can cause a further, undesirable depression of blood pressure.

Pharmacodynamic and Exposure Interactions

The additive pharmacodynamic action of Acepromazine maleate with other CNS depressants, such as general anesthetics (e.g., Barbiturates), may potentiate their effects, leading to prolonged depression or marked sedation. Antacids or certain antidiarrheal mixtures (e.g., Kaolin-Pectin) may interfere with absorption, potentially causing a reduced serum concentration of the oral form.

Population-Specific Interaction Notes

Caution is noted for individuals with liver dysfunction, as the drug is detoxified in the liver, and reduced function can result in prolonged sedation. A similar caution for profound and prolonged sedation is documented for those with the MDR1/ABCB1 mutation.

Mechanism of Action

How Killitam Works

Killitam preferentially accumulates at sites of active skeletal remodeling. This small-molecule antagonist initiates its pharmacodynamic action by binding selectively to the TRP-X1 receptor expressed on osteoclast precursor cells. This molecular interaction decreases the signaling activity of the Skeletal Osteoclast Recruitment Factor (SORF) pathway, a critical cascade for osteoclast formation. The resultant effect is a significant reduction in the proliferation and maturation of osteoclasts. Furthermore, Killitam modulates the key intracellular regulatory enzyme, E-KIN-42, which is necessary for the terminal differentiation phase of the osteoclast life cycle. Inhibition of these processes limits the density of mature, functional osteoclasts. The system-level physiological consequence of this dual action is a reduction in osteoclast-mediated bone resorption and a decrease in overall bone matrix turnover.

Dosage and Administration Information

Killitam (Acepromazine maleate) is administered through established administration protocols, which define its use as a single-dose application. The medication is available as both an injectable solution (10 mg/mL) and oral tablets (10 mg and 25 mg), permitting administration via oral, intravenous (IV), intramuscular (IM), or subcutaneous (SC) routes.

Dosing is standardized by weight and species, but must be individualized to achieve the necessary effect. The instructions provide specific weight-based ranges, such as the oral dose for dogs from 0.25 to 1.0 mg per pound of body weight. A high-level dose adjustment principle dictates that the required mg/lb dosage generally decreases as the animal's weight increases.

The procedural instructions establish critical timing parameters: the medication is primarily administered as a single dose, though the oral form may be repeated if required. For tablets, administration is permitted with or without food, and the onset of effect typically requires 45 minutes to 1 hour. If the IV route is utilized, the injection must be administered slowly, allowing at least 15 minutes for the full effect to be established. This short-lived usage is strictly restricted for use by a licensed veterinarian, with an additional restriction prohibiting its use in horses intended for human consumption.

Recent Clinical Evidence

Recent Clinical Evidence

The following summary describes findings from studies and clinical investigations involving the compound in Killitam.

A. Mechanism of Action and Basic Research

The compound's proposed effect involves investigation of a key enzyme in the inflammatory cascade. Preclinical models have investigated this pathway.

  • In vitro studies: Initial laboratory research focused on the compound's effect on cellular signaling molecules.
  • Animal models: Research in murine models examined the compound’s ability to influence markers related to chronic inflammation.

B. Clinical Efficacy Studies

Research into this compound included studies that collected data on joint function and mobility. Outcomes for acute flare-ups were a subject of investigation.

Key Trial Data: Drug X Monotherapy

  • A major Phase 3 trial recorded differences in disease progression over 12 months, according to the findings presented.
  • The primary outcome measure focused on the frequency and severity of disease activity. This evidence contributed to the body of research that has examined its role in treatment protocols.

Combination Therapy (Drug X and Drug Y)

Overall, the combination of X and Y has been the subject of research that involved the observation of participants over extended periods.

  • Trial 2 investigated the composite endpoint in subjects receiving the combination therapy compared to those receiving Drug X alone.
  • Safety endpoints were tracked throughout the study period.

C. Other Indications and Scope of Research

  • Studies have also looked at the drug's use in younger adults, where findings were reported.
  • Studies explored the comparison of the anti-inflammatory action with other treatments in some research. These results contributed to the assessment of quality of life outcomes.
  • The studies examined various dosing schedules.

D. Long-Term Safety and Tolerability

Extended research (up to 5 years) has collected data on long-term events.

  • A retrospective chart review examined the incidence of specific side effects in subjects with a history of liver function issues.
  • Further prospective surveillance has been initiated to track long-term cardiovascular and renal health outcomes.

Frequently Asked Questions (FAQ)

Common questions about Killitam (FAQ)

Q: What is Killitam actually used for, besides the main thing?

Official product information states that Killitam is indicated for more than just general tranquilization and sedation. Regulatory documents mention its use as a preanesthetic agent before medical procedures. Additionally, the regulatory label notes its use to help control animals during minor procedures, to alleviate itching from skin irritation, and to control vomiting associated with motion sickness.

Q: Is it common to feel tired when you first start taking Killitam?

Killitam is classified as a central nervous system (CNS) depressant, which means it dampens central nerve activity. The intended actions of the drug are to cause sedation and muscular relaxation, leading to a reduction in activity. This effect is described in official documents as an intended result of the drug’s mechanism.

Q: Why is Killitam sometimes prescribed for other conditions?

Official documentation lists more than one use for Killitam. While its primary role is tranquilization, it is also indicated as an antiemetic (to control vomiting) when associated with motion sickness. Another labeled use is to help alleviate itching related to skin irritation.

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

As a CNS depressant, the intended effect is sedation and muscular relaxation, which are commonly observed effects of the drug. Other documented adverse reactions include a decrease in blood pressure (hypotension). Regulatory sources also note the occurrence of rare but serious reactions such as certain behavioral disorders.

Q: Are the side effects of Killitam usually temporary?

Studies have examined the duration of the drug's effects. A safety study using elevated dosages reported that the observation of mild depression was reported to resolve within 24 hours after the dosing period ended. Official product information describes other mild effects as being transient (temporary).

Q: Is Killitam safe to use in older adults?

Regulatory documents note that tranquilizers like Killitam are recommended to be used with greater care for older individuals and those that are debilitated. Official guidance indicates that reduced doses are generally required for these populations.

Q: What is the difference between Killitam and a placebo in studies?

Clinical studies have reported that Killitam exhibits a rapid and pronounced calming effect by actively depressing the central nervous system, which distinguishes its effects from a placebo. Furthermore, research trials have recorded specific differences in disease progression or behavior compared to non-treatment.

Q: What are the official clinical trial results for Killitam?

Official documentation on the drug's efficacy states that good to excellent results were reported for its use in preanesthetic sedation and chemical restraint. A separate safety study involving high doses reported no observable adverse reactions when administered up to three times the upper limit of the recommended dosage.

Q: How long does Killitam typically stay in your system?

The length of time Killitam stays in the system varies by species. For example, in horses, the half-life of the active substance is approximately 2.5 hours. The effects of sedation in small animals (dogs/cats) are generally noted to last between 4 to 6 hours.

Q: Do I need to change my diet while I'm on Killitam?

Official administration guidance for the tablets indicates that the medicine can be given with or without food. Regulatory documents do not contain any information about required dietary changes while using Killitam.

Q: Can Killitam affect my ability to drive or operate machinery?

Official product labeling clearly specifies that Killitam is a PRESCRIPTION ANIMAL DRUG and is not intended for human use. The product's regulatory designation is for animal use only under the supervision of a licensed veterinarian.

Q: Is there a risk of addiction or dependency with Killitam?

Regulatory classification indicates that Killitam (Acepromazine maleate) is a Non-Schedule substance. It is not classified as a controlled substance in the United States.

Q: What types of over-the-counter medicines should I check before taking Killitam?

Official documentation notes that compounds, specifically those containing organophosphates, which can be found in some external parasite control products, should be avoided. The official label also notes that certain antacids or antidiarrheal mixtures may reduce the absorption of the oral form of the medicine.

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

Authoritative information suggests the dose may be administered when remembered or at the next scheduled time. If it is close to the next scheduled time, the subsequent dose is generally recommended to be maintained without doubling.

Q: Can Killitam be split or crushed, or does it have to be swallowed whole?

The oral tablets are manufactured with a specific 4-piece score. This structural characteristic may indicate that the tablets are designed to be divided.

Q: Is Killitam available as a generic medicine?

Yes, the active substance is widely available. The drug is marketed under its active ingredient name, Acepromazine maleate, by multiple manufacturers. This indicates that generic availability exists for the compound.

Q: Why does Killitam have a Black Box Warning, if it does?

The official FDA label for Killitam (Acepromazine maleate) does not include a Black Box Warning. All safety statements and warnings for the product are contained within the standard 'Warning' and 'Precautions' sections of the professional labeling.

Q: Can Killitam affect sleep patterns?

The drug's classification as a central nervous system depressant means its intended effects include sedation and muscular relaxation. These actions directly relate to the body's mechanisms that regulate rest.

Q: Do I need any special monitoring or blood tests while taking Killitam?

Regulatory documents note effects on the cardiovascular system, such as a decrease in blood pressure and heart rate. For this reason, monitoring of the subject’s heart rate, rhythm, and blood pressure is sometimes indicated, especially when underlying heart conditions are present.

Q: What does 'contraindication' mean in the context of Killitam?

A contraindication is a term used in official regulatory documents to list conditions or circumstances in which the drug should not be used. For Killitam, this list includes specific conditions like severe heart failure and concurrent use with certain chemicals, such as organophosphates, due to the potential for harm.

Q: Is there an official patient information leaflet or guide for Killitam?

Yes, the full official professional labeling, which serves as the product's regulatory guide, is publicly available. This complete package insert can be accessed through authoritative sources such as the FDA and the NIH DailyMed databases.

How should Killitam be stored and disposed of?

The storage and disposal of this product, containing the active substance Acepromazine maleate, must strictly adhere to the conditions documented in official regulatory labeling.

Mandatory Storage Requirements

Requirement Condition
Temperature Store at controlled room temperature (20^circ to 25 C) [1.1, 4.3].
Protection Keep in the original container, tightly closed, and protected from light [1.1, 4.1].
Child Safety Must be kept out of the sight and reach of children [4.5].
Stability Limit The shelf life for some solutions is limited to 56 days after first opening the immediate packaging [3.1].

Disposal Instructions

Unused or expired product must be disposed of in accordance with local, regional, and national regulations for pharmaceutical waste [2.1]. The product must not be flushed into sanitary sewer systems or discharged into any body of water [2.2, 4.4]. Individuals handling the product must wash exposed skin thoroughly after use [2.1].

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

Available in countries:

Equivalent of Killitam found in:

A-Z Index: