Teicoplanin is an antibiotic used primarily to treat serious infections caused by certain types of bacteria, particularly Gram-positive organisms. It works by inhibiting the synthesis of the bacterial cell wall, which ultimately leads to the death of the bacteria. Teicoplanin is often used in cases where other antibiotics may not be effective, especially for infections caused by Staphylococcus aureus. This medication is typically administered through an injection and is commonly used in hospitals. It is important for healthcare providers to monitor patients for potential side effects, which can include allergic reactions or kidney issues. Teicoplanin is a valuable tool in the fight against antibiotic-resistant infections.