Gentamicin Injection is rarely absorbed orally. Gentamicin Injection is mainly indicated for the treatment of serious infections caused by sensitive gram-negative bacilli, such as Escherichia coli, Enterobacteriaceae, Aspergillus spp, Serratia marcescens, and methicillin-sensitive strains of staphylococci, such as sepsis, lower respiratory tract infections, intestinal infections, abdominal cavity infections, and skin and soft tissue infections, and is also used in the treatment of central nervous system infections caused by sensitive organisms, such as meningitis, ventriculitis, and so on. Gentamicin belongs to aminoglycoside antibiotics, which is rarely absorbed orally and is mainly excreted in the feces in its original form. Some patients may experience adverse reactions such as nausea, vomiting and dizziness during use, and it is prohibited for patients who are allergic to the drug or aminoglycosides. It is recommended that patients under the guidance of a doctor, according to the specific condition of the patient, strictly comply with the doctor’s instructions to use the drug, not blindly use the drug, so as not to cause adverse effects on the body.