The different dosage forms of Gentamicin include Gentamicin Sulfate Injection, Gentamicin Sulfate Tablets, Gentamicin Sulfate Eye Drops, etc. The above medications are available in hospitals and qualified pharmacies. Gentamicin Sulfate Injection is mainly used for the treatment of serious infections caused by sensitive gram-negative bacilli, combined with anti-anaerobic drugs to treat abdominal infections or pelvic infections, combined with penicillin to treat infections of Enterococcus spp. It can also be used as an adjunctive treatment for central nervous system infections caused by sensitive bacteria. Adverse reactions to Gentamicin Sulfate Injection include: hearing loss, tinnitus, dizziness, abnormal urination, decreased appetite, thirst, dyspnea, drowsiness, weakness, rash, nausea and vomiting, hepatic impairment, leukopenia and granulocytopenia, anemia, and hypotension. Systemic administration combined with intrathecal injection may cause leg convulsions, rash, fever, and generalized spasm. Gentamicin Sulfate Tablet is mainly used for the treatment of bacterial dysentery, bacterial intestinal infections, and can also be used in the preparation of colon surgery. A small number of patients experience adverse symptoms such as decreased appetite, nausea and diarrhea after taking it. Gentamicin Sulfate Eye Drops are mainly used for conjunctivitis, blepharitis, and blepharitis. Adverse reactions include: mild irritation; allergic reactions, such as congestion, eye itching, edema and other symptoms. It is worth noting that eye drops and film for skin are OTC Class A drugs, which can be purchased in qualified pharmacies under the guidance of a pharmacist or physician, while the remaining dosage forms, such as tablets and injections, are prescription drugs and need to be purchased with a physician’s prescription. If you need to use gentamicin, please consult a professional doctor, buy it in a hospital or a regular pharmacy, and strictly follow the doctor’s instructions for medication.