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Imipenem Meropenem Doripenem Ertapenem |
Imipenem is compounded with cilastatin to protect it from metabolism by renal dehydropeptidase |
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Imipenem resists hydrolysis by most beta lactamases but not the metallo -beta lactamases. |
They are useful in empiric therapy cos they are active against beta lactamase producing gram positive and gram negative organisms, anaerobes and P. aeruginosa. |
Meropenem and doripenem have similar activity with imipenem |
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Pk of Carbapenems |
Administration :Imipenem/cilastatin and meropenem are administered IV
Distribution : Imipenem/cilastatin and meropenem penetrate well into the tissues and fluids including csf when the meninges are inflamed. Meropenem reach therapeutic levels in the bacterial meningitis even without inflammation Elimination : by Glomerular filtration |
Mummy mu oo |
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Contraindications : should be adjusted with caution in patients with renal insufficiency |
Adverse effects : Imipenem /cilastatin can cause nausea Vomiting Diarrhea High levels of imipenem= cause seizures |
Thank you |