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Sultamicillin, sold under the brand name Unasyn among others, is an oral form of the penicillin antibiotic combination ampicillin/sulbactam. It is used for the treatment of bacterial infections of the upper and lower respiratory tract , the kidneys and urinary tract , skin and soft tissues , among other organs.
Ampicillin/sulbactam is also used when the cause of an infection is not known (empiric therapy), such as intra-abdominal infections, skin infections, pneumonia, and gynecologic infections. It is active against a wide range of bacterial groups, including Staphylococcus aureus , Enterobacteriaceae , and anaerobic bacteria .
Unasyn is the trade name for two related antibiotic drugs: Ampicillin/sulbactam , a fixed-dose combination medication of the penicillin antibiotic combination ampicillin/sulbactam Sultamicillin , an oral form of the penicillin antibiotic combination ampicillin/sulbactam
The β-lactam core structures. (A) A penam.(B) A carbapenam.(C) An oxapenam.(D) A penem.(E) A carbapenem.(F) A monobactam.(G) A cephem.(H) A carbacephem.(I) An oxacephem. This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class.
The combination ampicillin/sulbactam (Unasyn) is available in the United States. [3] The combination cefoperazone/sulbactam (Sulperazon) is available in many countries but not in the United States. [4] The co-packaged combination sulbactam/durlobactam was approved for medical use in the United States in May 2023. [5]
Generalized structure of aminopenicillins ampicillin. The aminopenicillins are a group of antibiotics in the penicillin family that are structural analogs of ampicillin (which is the 2-amino derivative of benzylpenicillin, hence the name). [1]
Ampicillin is an antibiotic belonging to the aminopenicillin class of the penicillin family. The drug is used to prevent and treat several bacterial infections, such as respiratory tract infections, urinary tract infections, meningitis, salmonellosis, and endocarditis. [7]
Narrow-spectrum antibiotics have low propensity to induce bacterial resistance and are less likely to disrupt the microbiome (normal microflora). [3] On the other hand, indiscriminate use of broad-spectrum antibiotics may not only induce the development of bacterial resistance and promote the emergency of multidrug-resistant organisms, but also cause off-target effects due to dysbiosis.