Cefuroxime axetil, sold under the brand name Zinnat among others, is a second generation oral cephalosporin antibiotic. It is an acetoxyethyl ester prodrug of cefuroxime which is effective orally. The activity depends on in vivo hydrolysis and release of cefuroxime tablets. Advice for mothers using Cefdinir while breastfeeding. Includes possible effects on breastfed infants and lactation. Detailed Cefdinir dosage information for adults and children. Includes dosages for Sinusitis, Bronchitis, Skin or Soft Tissue Infection and more; plus renal, liver and dialysis adjustments. Cefuroxime (Ceftin, Zinacef) is an antibiotic prescribed for the treatment of infections of the middle, ear, throat, tonsils, UTIs, bronchitis, pneumonia, laryngitis. US Pharm. 2011;36(6):39-43. A urinary tract infection (UTI), defined as an inflammatory response resulting from the presence of microorganisms in the urinary tract, is one of the most common bacterial infections for which patients seek treatment. 1 Overall, UTIs account for over 7 million health care provider visits each year, and acute. Cephamycins are a group of beta-lactam antibiotics. They are very similar to cephalosporins, and the cephamycins are sometimes classified as cephalosporins.