Tigi Injection (Tigecycline)
Tigi Injection (Tigecycline) is a broad-spectrum antibiotic injection used to treat serious and complicated bacterial infections, including skin infections, intra-abdominal infections, and resistant infections. It contains Tigecycline, a glycylcycline antibiotic that works by inhibiting bacterial protein synthesis, effectively stopping the growth of bacteria.
Product Overview
Tigi Injection is a high-potency glycylcycline antibiotic containing Tigecycline. As the inaugural member of its class, Tigi was specifically developed to address the growing clinical challenge of multi-drug resistant (MDR) bacteria. It provides a broad spectrum of activity against both Gram-positive and Gram-negative pathogens, making it a critical "reserve" antibiotic for treating complicated infections in a hospital setting.
Pharmaceutical Classification
Tigi is a glycylcycline, a structural derivative of the tetracycline class. However, its unique molecular modification allows it to remain effective against bacteria that have developed common resistance mechanisms—such as efflux pumps and ribosomal protection—that render older antibiotics like minocycline or tetracycline ineffective.
Mechanism of Action
The active ingredient, Tigecycline, works by inhibiting bacterial protein synthesis. It binds to the 30S ribosomal subunit of the bacteria, preventing the entry of aminoacyl-tRNA into the A site of the ribosome. This action effectively halts the assembly of amino acids into proteins, preventing the bacteria from growing, replicating, or maintaining vital cellular functions.
Product Composition and Form
Tigi is supplied as a sterile, lyophilized (freeze-dried) powder for reconstitution and intravenous infusion.
| Feature | Specification |
| Active Ingredient | Tigecycline |
| Common Strength | 50 mg per vial |
| Drug Class | Glycylcycline Antibiotic |
| Primary Indication | Complicated Skin and Intra-abdominal Infections |
| Route | Intravenous (IV) Infusion |
Pharmacokinetics and Tissue Distribution
Tigi is known for its exceptional volume of distribution, meaning it moves efficiently from the bloodstream into the body's tissues.
- Rapid Distribution: After infusion, the drug rapidly moves into the skin, lungs, and abdominal tissues.
- Metabolism: Tigecycline is not extensively metabolized by the liver, reducing the risk of certain drug-drug interactions.
- Elimination: It is primarily excreted unchanged through the bile and feces, with a smaller portion eliminated via the kidneys.
- Half-Life: It possesses a long terminal half-life (approximately 37 to 42 hours), allowing for twice-daily dosing.
Clinical Reliability and Spectrum
Tigi is utilized for its ability to target "superbugs" and complex infection sites.
- MDR Coverage: Highly effective against MRSA (Methicillin-resistant Staphylococcus aureus), VRE (Vancomycin-resistant Enterococci), and many extended-spectrum beta-lactamase (ESBL) producing bacteria.
- Complicated Skin Infections: Used for deep tissue infections, including diabetic foot infections and infected burns.
- Intra-abdominal Infections: Targets complex polymicrobial infections such as peritonitis or complicated appendicitis.
- Community-Acquired Bacterial Pneumonia (CABP): Effective against resistant strains of Streptococcus pneumoniae.
Precautions
Usage
General Usage Information
Tigi Injection (Tigecycline) is a broad-spectrum antibiotic used to treat serious bacterial infections by inhibiting bacterial protein synthesis and preventing the growth of infection-causing bacteria. Its effectiveness depends on correct dosage, proper administration, and completing the prescribed treatment course under medical supervision.
Key Usage Points
Side Effects
General Safety Information
FAQs
Interactions
General Interaction Overview
Tigi Injection (Tigecycline) may interact with certain medications that can affect its therapeutic action or increase the risk of side effects. These interactions may alter drug effectiveness, increase bleeding risk, or require dose adjustments. It is important to inform your healthcare provider about all medicines, supplements, or herbal products you are currently using before starting treatment.
Commonly Reported Interactions
- Blood thinners such as warfarin may increase the risk of bleeding and require close monitoring
- Oral contraceptives (birth control pills) may have reduced effectiveness when used with antibiotics
- Other antibiotics may sometimes alter treatment response when used together
- Immunosuppressive medicines may require careful monitoring due to infection-related concerns
- Drugs affecting liver function may influence how tigecycline is processed in the body
- Anticoagulants or antiplatelet medicines may increase the chance of bleeding-related complications
Taking Tigi Injection under proper medical supervision helps minimize interaction risks and ensures safe, effective treatment. Always inform your doctor about all medications you are taking to avoid unwanted interactions and ensure the best therapeutic outcome.
| Manufacturer | : | Natco Pharma, India |
| Equivalent Brand | : | Tygacil |
| Generic Search | : | Tigecycline |








