Colistin tablets are for oral use. Colistin is a macrolide antibiotic for the treatment of bacterial infections, in addition to being effective against drug-resistant Gram-positive bacteria, etc., Colistin also has good efficacy against some β-lactamase-producing bacteria, and also has good activity against some Gram-negative bacteria as well as fungal species of Candida albicans. Clinically, it is mainly used for the treatment of upper respiratory tract infections, acute tracheitis, bronchitis, acute sinusitis and so on. Colistin tablets belong to the macrolide class of antibiotics, with the advantages of low toxicity, small dose, less frequent and easy to take, it is the first choice of patients in the range of indications for the pursuit of safe and effective drugs. However, its contraindications as well as adverse reactions are still unclear, so if there is a need for medication, please use it under the guidance of a doctor, do not blindly take it on your own.