Ticar

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Ticar

What Type of Medicine is Ticar (Ticarcillin)?

Ticar is the brand name for ticarcillin, a semi-synthetic penicillin used as an anti-infective agent. Ticarcillin belongs to the beta-lactam antibiotic family and is specifically classified as an extended-spectrum carboxypenicillin. Its chemical structure is designed to be active against a broad range of bacteria, including various gram-negative strains. As a medication intended for the treatment of serious infections, it is categorized as a prescription-only drug.


Composition and Physical Form of Ticarcillin

The primary active ingredient is ticarcillin disodium. While often used in clinical settings as a fixed-dose combination with clavulanate potassium (a beta-lactamase inhibitor that prevents bacterial enzymes from inactivating the drug), the base medicinal component remains ticarcillin. The product is supplied as a sterile dry powder for reconstitution. This requires the powder to be mixed with a sterile liquid immediately before it is administered via the parenteral route, typically through injection or infusion.


General Purpose and Mechanism Principle

The purpose of this medication is to exert bactericidal activity against susceptible bacteria. The drug works by inhibiting bacterial cell wall synthesis. Specifically, ticarcillin interferes with the peptidoglycan cross-linking necessary for the structural integrity of the bacterial cell wall. This interference leads to the rupture and death of the bacteria, allowing for the management of moderate-to-severe infections.

What side effects are possible with Ticar?

Possible Side Effects and Safety Information

The safety profile of ticarcillin, often used in combination with clavulanate, is structured by regulatory authorities based on the affected body system and frequency of occurrence. This information reflects officially documented adverse reactions and safety characteristics.

Frequency and System-Organ Classes

The most frequently reported adverse reactions affect the gastrointestinal system and the skin.

Classification Examples of Reactions
Common (may affect up to 1 in 10 people) Diarrhea, Nausea, Rash, Pain and inflammation at the injection site.
Uncommon Transient elevations in liver enzymes (hepatic transaminases), changes in blood cell counts, such as eosinophilia or leukopenia.

Serious Adverse Reactions and Constraints

Official labeling highlights the potential for serious reactions and specific safety constraints. Severe, life-threatening anaphylactic reactions are a documented risk associated with the penicillin class. Serious gastrointestinal conditions, such as Clostridium difficile-Associated Diarrhea (CDAD) or pseudomembranous colitis, are also noted.

Specific safety constraints are tied to the drug's composition and elimination:

  • Central Nervous System (CNS) Effects: Convulsions (seizures) may occur, particularly if the recommended dosage is exceeded in the presence of impaired renal function.
  • Electrolyte/Sodium Constraint: The disodium formulation contributes a significant sodium load, which is a mandatory safety consideration for patients with conditions requiring sodium restriction, such as severe heart failure. Monitoring of renal function is also specifically advised for older adults.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose information for ticarcillin is based on manifestations and actions documented in government regulatory sources. The administration of excessively high parenteral doses is associated with specific adverse effects, particularly involving the nervous system.

Documented Manifestations and Consequences

Overdose may present with signs of neuromuscular hyperexcitability or convulsive seizures, which are the most serious documented outcomes. Additionally, patients may experience gastrointestinal symptoms such as nausea, vomiting, and diarrhea. The high sodium content of the formulation can also lead to hypernatremia, an electrolyte imbalance.

When to Seek Immediate Medical Attention

The prescribing information mandates that immediate medical attention must be sought if an overdose is suspected. Urgent medical care is specifically required if severe neurological symptoms, such as seizures, are observed. A key population-specific note states that patients with impaired renal function are at a heightened risk for severe CNS toxicity due to sustained high drug concentrations.

Management and Antidote Status

Management of a ticarcillin overdose is officially described as symptomatic and supportive treatment. No specific antidote is known for ticarcillin overdose. In cases of severe exposure, regulatory documents state that haemodialysis can be used as a procedural measure to remove the drug from the systemic circulation.

Therapeutic Uses of Ticar

What Ticar Treats: Main Uses and Benefits

Ticarcillin, often used alongside clavulanate, is commonly used for managing conditions characterized by acute or disruptive symptoms associated with moderate-to-severe bacterial infections. The use of this medication is relevant in clinical settings that involve a heightened systemic burden.

Comprehensive Symptom Management

This medication is employed for managing acute systemic infections like septicemia and febrile neutropenia, and is applied in addressing serious infections in challenging anatomical sites, including severe Lower Respiratory Infections, Bone and Joint Infections, and intra-abdominal infections. The therapeutic benefit is relevant for addressing conditions marked by increased physiological stress, which contributes to easing the overall symptom load and supports the management of accompanying signs like high fever, chills, and intense pain that interfere with daily comfort. This supportive relief is particularly relevant for easing challenging symptoms in patients with conditions like Cystic Fibrosis exacerbations and complicated Urinary Tract Infections.

“Ticarcillin is used across domains where additional symptomatic support is needed to cope with difficult episodes of infection.”

Quick Fact: Context: Symptoms related to Systemic Imbalance
May assist with managing symptoms related to systemic imbalance, including severe fever and chills, during serious infections.

Eligibility and Restrictions for Use

Who Can and Cannot Use Ticar?

The official eligibility profile for Ticar (Ticarcillin/Clavulanate) is defined by regulatory authorities based on hypersensitivity status, age, and organ function.

Absolute Contraindications

Ticar must not be used by any patient with a documented history of a serious immediate hypersensitivity reaction to Ticarcillin/Clavulanate or to any other medicine in the penicillin or beta-lactam antibiotic class.

️ Conditional and Limited Use

Use is established for Adults and Pediatric Patients starting at three months of age and older. The medicine's use is not established for infants under three months of age because safety and effectiveness in that population have not been documented in regulatory files.

Eligibility is conditional for patients with impaired renal function or those undergoing dialysis, strictly requiring an official adjustment to the administration based on the level of impairment. Conditional use and monitoring are also required for patients with underlying hemostatic problems or those at risk for fluid and electrolyte imbalance, such as hypokalemia.

For Pregnancy, Ticar is classified as Category B and should only be used if the clinical benefit justifies the potential risk. The drug is excreted in breast milk, necessitating caution during lactation.

What should I know about interactions with other medicines?

The use of Ticar (ticarcillin) with other medicines requires careful consideration due to several documented interactions that can affect either Ticar's concentration or the effect of the co-administered drug.

Documented Interactions

Interacting Product Category Potential Effect of Interaction
Oral Anticoagulants (e.g., Coumarin Derivatives) Increased anticoagulant effect, raising the risk of bleeding.
Aminoglycoside Antibiotics (e.g., Gentamicin, Amikacin) Decreased serum concentration of the aminoglycoside.
Probenecid Increased and prolonged serum level of ticarcillin.
Oral Contraceptives Decreased therapeutic efficacy of the contraceptive.
Bacteriostatic Antibiotics (e.g., Tetracyclines) Decreased bactericidal efficacy of ticarcillin.
Methemoglobinemia Agents (e.g., certain Local Anesthetics) Increased risk or severity of methemoglobinemia.

Combinations with BCG vaccine and Cholera vaccine may diminish the therapeutic effect of the vaccines. Furthermore, high urine concentrations of ticarcillin may interfere with laboratory tests, potentially producing false-positive results for protein assays. Concurrent use with oral contraceptives may necessitate the use of additional, reliable contraceptive measures.

Mechanism of Action

How Ticar Works: Mechanism of Action

Directly Inhibiting Bacterial Cell Wall Construction

Ticar's active component, ticarcillin, exerts its effect by targeting and irreversibly inhibiting bacterial Penicillin-Binding Proteins (PBPs), a class of transpeptidases. These enzymes are essential for the final stage of peptidoglycan synthesis, which involves cross-linking the strands that form the rigid bacterial cell wall. By binding to and inactivating the PBPs, the drug halts this cross-linking process, initiating the structural failure of the bacterial cell. This mechanistic cascade results in the inability of the compromised wall to withstand internal osmotic pressure.

Achieving Bactericidal Action

The structural failure and ensuing physical rupture of the cell wall trigger a definitive, destructive outcome. The mechanism is therefore bactericidal, defined by the rapid breakdown and death (lysis) of the bacterial cell, as opposed to merely inhibiting growth.

Overcoming Enzymatic Evasion

Ticarcillin is often co-administered with a beta-lactamase inhibitor (e.g., clavulanate). This supplementary molecule blocks bacterial beta-lactamase enzymes, which are produced by some organisms to chemically cleave and inactivate ticarcillin. Inhibiting beta-lactamase preserves the integrity of ticarcillin, thereby maintaining the primary mechanism's ability to cause cell lysis against resistant bacteria.

Dosage and Administration Information

How to use Ticar

The administration of Ticar (ticarcillin and clavulanate potassium) follows specific established protocols. The medicine is designated exclusively for Intravenous (IV) Infusion and is not available for oral or other routes of administration.

Standard Dosing and Schedule

The usual dose for systemic infections in adults weighing 60 kg or more is 3.1 grams per dose, given in divided doses every 4 to 6 hours. For pediatric patients weighing less than 60 kg, dosing is determined on a weight-based scale. The standard duration of therapy is 10 to 14 days, though treatment may be prolonged for complicated infections based on specific clinical criteria.

Preparation and Administration Requirements

As a sterile powder, the product requires two distinct procedural steps before administration: it must be reconstituted and then further diluted to a final concentration between 10 mg/mL and 100 mg/mL using an approved IV solution. The final solution is delivered as a continuous IV drip over a fixed 30-minute period.

Population-Specific Rules

A critical procedural requirement involves dosing for patients with impaired kidney function. This protocol incorporates dose adjustment based on the patient's measured Creatinine Clearance (Ccr) values, often beginning with an initial 3.1-gram loading dose.

Resulting Procedural Structure

The protocols for administration focus on a standardized approach, emphasizing professional oversight, sterile preparation, and precise timing. This framework covers both the technical steps required for delivery and the systematic dose modification rules based on physiological metrics.

Recent Clinical Evidence

Evidence for Use in Severe Systemic Infections

Research regarding Ticar’s use in severe bloodstream and systemic infections, such as septicemia, primarily involves controlled trials that randomly assigned participants to different treatment groups. These studies focused on hospitalized adults, measuring outcomes like the ability to eliminate the specific bacteria (bacteriological eradication) and the resolution of the disease state (clinical cure).

Findings describe patterns observed during short-term follow-up periods. Evidence remains insufficient regarding certain patient groups, such as those who are severely immunocompromised, and long-term status beyond the typical 90-day observation period is not extensively characterized.


Evidence for Use in Bone and Joint Infections

The evidence base for complex conditions like bone and joint infections includes clinical trials and observational studies. These studies explored infection control and persistence within the site, often requiring prolonged monitoring periods (sometimes one year or longer) due to the chronic nature of these conditions. The body of evidence for these infections is characterized by modest sample sizes and variability in study methods.


Evidence in Vulnerable and Special Populations

For critically ill premature infants, research has focused on specialized pharmacokinetic (PK) studies. These studies measure drug processing (clearance and distribution) to guide appropriate dosing. This type of research provides insight into how the body handles the medicine but did not report on definitive clinical effectiveness outcomes (like how quickly the infection resolved) in controlled trials for this group.


Research Gaps and Unanswered Questions

A key limitation in the research is that the effectiveness in treating infections due to all susceptible microorganisms has not been established in adequate and well-controlled clinical trials for every single organism listed in laboratory tests. Furthermore, comparative evidence against certain newer drug classes is also an area that is not fully characterized.

Key Studies & References

  1. Continuous Infusion of Beta-Lactam Antibiotics in Severe Sepsis: A Multicenter Double-Blind, Randomized Controlled Trial (Septicemia/RCT structure)

Frequently Asked Questions (FAQ)

Common questions about Ticar (FAQ)

Q: What is the main reason doctors prescribe Ticar?

Ticar is a prescription anti-infective agent. According to official product information, it is indicated for the treatment of moderate-to-severe infections caused by susceptible bacteria. This includes certain systemic infections and complicated infections, as outlined in the regulatory indications.

Q: What is the expected duration of treatment with Ticar?

Regulatory documents describe the standard duration of therapy as typically ranging from 10 to 14 days. However, the overall length of treatment is determined by the specific condition being treated and may be adjusted based on the nature and complexity of the infection.

Q: Can Ticar be used for conditions other than the ones listed in official information?

Official regulatory documents indicate that Ticar is approved and described for use in treating only the specific bacterial infections and organisms listed in the product's documentation. The use of any drug for unlisted conditions is not addressed in these official materials.

Q: Can Ticar cause stomach upset or nausea?

Yes, official documentation lists nausea as a Common adverse reaction, meaning it may affect up to 1 in 10 people. Other frequently reported adverse reactions affect the gastrointestinal system and the skin.

Q: Is it common to feel tired while taking Ticar?

Official documentation lists specific adverse events, and fatigue is not typically included among the common reactions. Other non-specific effects, such as dizziness, may be noted.

Q: Is it safe to drink alcohol while using Ticar?

Official drug information often includes a general caution regarding the use of alcohol with medication. Patients are advised to refer to the specific guidance for their product regarding potential interactions.

Q: Can Ticar be taken by people who have liver problems?

Official dosing instructions address the use of Ticar in patients with impaired organ function. Use in these populations is conditional, and the administration must be officially adjusted based on the degree of impairment.

Q: Can Ticar affect a person's mood or mental state?

While Ticar is not described as a mood-altering drug, official documentation notes the potential for central nervous system effects. This includes the possibility of convulsions (seizures), particularly if high drug concentrations are reached due to impaired kidney function.

Q: Are there any special dietary restrictions while on Ticar?

Official regulatory documents focus on documented interactions with specific medicines, alcohol, or tobacco. They generally do not mandate broad dietary restrictions for this type of medication, beyond any guidance provided for specific foods or beverages.

Q: Is Ticar the same as other similar-sounding medicines?

Ticar is a brand name associated with the active ingredient combination of ticarcillin and clavulanate. Other medicines may use this same combination of active ingredients under different brand or generic names.

Q: Why do some people stop taking Ticar before the full course is finished?

Official patient information states that therapy should be completed as prescribed. Completing the entire course is described as necessary for successful treatment and to reduce the potential for the infection to return.

Q: Is it true that Ticar needs to be taken at the exact same time every day?

The administration schedule is defined in regulatory documents as being delivered in divided doses every 4 to 6 hours. This indicates a requirement for divided doses throughout the day to maintain consistent drug levels, rather than a single fixed time once daily.

Q: Is Ticar a medicine that you can take as needed, or does it require a full course?

Official administration information outlines a standard duration of therapy, typically 10 to 14 days. This requirement for a defined treatment length indicates that Ticar requires a complete course rather than being taken only as needed.

Q: Why do doctors prefer Ticar over other options in certain situations?

Ticar is classified as an extended-spectrum penicillin, meaning it is designed to address a wider variety of susceptible bacteria. The combination with clavulanate is specifically intended to help overcome bacterial resistance to the ticarcillin component.

Q: Is Ticar available in a generic version?

Yes, the active ingredients, ticarcillin disodium and clavulanate potassium, are described in their respective generic forms in official product information databases.

Q: What should I do if the side effects of Ticar are bothering me?

Official patient information suggests consulting a physician if bothersome side effects occur. In the case of serious symptoms, such as watery or bloody stools, official warnings advise seeking medical attention.

Q: Does Ticar need a special type of prescription?

Ticar is a medicine that is strictly listed as a prescription-only drug in official regulatory databases. It requires a prescription from a licensed healthcare professional for use.

Q: What is the shelf life of Ticar?

Official stability guidelines for the intact sterile powder state that vials must be stored at or below 24 C (75 F). The exact shelf life (expiration date) is determined by the manufacturer's testing and approved by regulatory bodies.

Q: Why is Ticar sometimes prescribed when other treatments have failed?

Ticar's classification as an extended-spectrum carboxypenicillin means it is designed to address a broader array of bacteria than some older or narrower-spectrum antibiotics. This chemical design makes it a documented option for difficult-to-treat infections.

Q: What is the most important piece of safety information about Ticar?

The most critical safety information is the Absolute Contraindication listed in official warnings. This states the drug must not be used by anyone who has a documented history of a serious immediate hypersensitivity reaction to any penicillin or beta-lactam antibiotic.

Q: Is Ticar a controlled substance?

No, Ticar is an antibiotic and is not classified as a controlled substance by regulatory bodies such as the US Drug Enforcement Administration.

Q: Are there known cases of Ticar resistance?

The official product description indicates that the formulation is specifically used to address resistance. The inclusion of the beta-lactamase inhibitor (clavulanate) is intended to protect the active antibiotic component from being destroyed by common bacterial defense mechanisms.

Q: Does Ticar interact with specific foods or beverages?

Official patient counseling sections note that the use of food or certain beverages, alcohol, or tobacco may cause interactions. This is a topic that can be discussed with a healthcare provider.

Q: What is the most common side effect people report with Ticar?

Official product information states that the most frequently reported adverse reactions affect the gastrointestinal system and the skin. Within these systems, diarrhea and rash are documented as common events.

Q: Does Ticar affect a person's ability to drive?

Official safety information notes the potential for central nervous system effects, such as confusion or seizures. These effects are officially recognized as having the potential to impair a person's ability to perform activities that require full mental alertness.

How should Ticar be stored and disposed of?

The official storage and disposal guidelines for Ticar (ticarcillin disodium) are mandated by regulatory agencies to ensure product stability and safety.

Storage Requirements

Unreconstituted Powder: Vials must be stored at or below 24°C (75°F) and protected from moisture in the original container. The medicine must be kept out of the sight and reach of children and pets.

Reconstituted Solution: Stability is time and temperature-dependent. Solutions diluted in 0.9% Sodium Chloride (NS) are typically stable for up to 7 days when refrigerated (4 C) or 24 hours at room temperature. Any unused portion of the prepared solution must be discarded.


Disposal

Expired or unused Ticar should be disposed of through an authorized drug take-back program. If this is not possible, mix the medicine with an undesirable substance (e.g., dirt) in a sealed bag and dispose of it in the household trash, following local regulations.

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

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