Azithromycin usually refers to azithromycin tablets and should not be combined with drugs such as nafinavir, oral anticoagulants, digoxin, ergotamine, or their derivatives. Azithromycin tablets are clonazepam antibiotics, by binding with the subunits of 50s ribosomes of sensitive organisms, thus interfering with their protein synthesis, but not affecting the synthesis of nucleic acids; clinically, they are mainly used for acute pharyngitis caused by Streptococcus pyogenes, acute tonsillitis, and skin and soft tissue infections caused by sensitive bacteria. Azithromycin tablets combined with nafinavir can increase the serum concentration of azithromycin, leading to liver enzyme abnormalities or hearing impairment; when combined with oral anticoagulant drugs, increase the risk of bleeding; combined with digoxin can lead to cardiac arrhythmia, or even trigger ventricular tachycardia; combined with ergotamine and its derivatives can lead to severe peripheral vasospasm and sensory retardation, nausea, vomiting and so on. The above content is for reference only, patients in the use of azithromycin tablets during the need for joint use of drugs, please under the guidance of a professional doctor to follow the instructions of the doctor to use the drug, do not blindly self-medication, in order to avoid the occurrence of adverse reactions.