People usually refer to anti-inflammatory drugs as antibiotics, and the side effects of different antibiotics are also different. For example, the common side effect of penicillin drugs is allergic reaction, especially anaphylaxis is its most serious adverse reaction; 1, the common adverse reaction of cephalosporins is also an allergic reaction, patients who are allergic to penicillins should be more cautious to use; 2, the most important adverse reaction of macrolides is gastrointestinal irritation, often causing nausea, vomiting, abdominal pain, diarrhea, etc.; 3, the most important adverse reaction of quinolones The most important adverse reaction of quinolones is photosensitivity, that is, during the taking of such drugs should be avoided in direct sunlight to prevent the occurrence of photosensitivity reactions; 4, the most important adverse reaction of aminoglycosides is ototoxicity, can cause hearing impairment; 5, the most important adverse reaction of tetracycline drugs is to cause tetracycline teeth.