The effect of cephalosporin and amoxicillin in bronchitis is similar. Amoxicillin and cephalosporin are actually a large class of drugs, both are beta-lactams, and the antimicrobial spectrum is similar, with a better effect on cocci. The cephalosporin is also divided into cephalosporin generation, second generation, third generation, if the bronchitis infection eat to cephalosporin second generation is almost, cephalosporin second generation commonly used is mainly cefaclor, cefuroxime. The majority of the bronchitis is caused by viral infection, there is no need to eat antibiotics, symptomatic eat some cough and phlegm drugs can be. If you are really coughing yellow sputum, and the amount of sputum is quite a lot, check the routine blood leukocyte and neutrophil ratio is really high, suggesting bacterial infection before you can take antibiotic treatment.