Antibiotics 2 Flashcards
Carbapenems / carbapenems drug
- Broad spectrum antibiotic
- Synthetic B- lactam antibiotics
( Amipenem, meropenem , dori, Ertapenem ) - Cell wall inhibitor
Imipenem
- Synthetic B-lactam
- It is used in empiric therapy
- Spectrum: gram negative and positive , anaerobes and p. Aeruginosa
- ما بتكسر بالبيتا لاكتاميز
- It is compounded with cilastatin
- IV
- Nephrotoxic
Monobactams مهم
- Cell wall inhibitors
- The beta lactam ring are not fused عشان هيك اسمه mono
- Aztreonam
Aztreonam
- Monolactam cell wall inhibitors
- Spectrum: gram negative
- مقاوم لل بيتا لاكتاميز
- IV or IM
- امن لذلك هو بديل اذا المريض عنده حساسية
Clavulanic acid
B lactam inhibitors
2- amoxicillin
3. Ticarcillin
Sulbactam
B lactam inhibitors
➡️ ampicillin
Tazobactam
B lactam inhibitors
➡️ piperacillin
Vancomycin
Cell wall inhibitors It is used to treat 1) life threatening infections 2) MRSA 3) MRSE 4) enterococcal infections
P. aeruginosa
Imipenem
Piperacillin
Ticarcillin
Fourth generation cefepime
Enterococcal infections
Vancomycin
Combination of B lactam and aminoglycosides
❌ cephalosporins
Cephalosporins are ineffective against
- MRSA
- L. Monocytogens
- C. Difficile
- Enterococci
First generation
- Act as penicillin G
- Spectrum :
✅ MSSA
✅ proteus
✅ E. Coli
✅ k. Pneumonia
يعني بتشتغل على +و هدول من ال -
Cefotetan
- 2nd generation cephalosporins
2. Act on (g - )anaerobes :- bacteroid fragility’s
Second generation
- gram positive is weaker
3 additional gram negative
Cefoxitin
- Act on gram negative anaerobes ( bacteroids fragilis )
* Second generation
Ceftriaxone and cefotaxime
Third generation
meningitis ✅
Excretion through the bile into feces
4. Treatment of neonatal and childhood meningitis caused by H. Influenza
Collateral damage
Third generation of cephalosporins
2. Fluoroquinolone
Cefepime
- Aerobic gram negative
- P. Aeruginosa 📌📌
- Streptococci and staphylococci ( MSSA)
- Should be given parenterally
Ceftaroline
- MRSA ( PBP2a )
- Pneumonia يلي من المستشفى (PBP2x)
- Skin
- Gram negative and gram positive
Cefazolin
First generation
Short half life
Prophylaxis dose prior to surgery
Penetration bone 🦴 🦴🦴🦴عشان هيك بنستخدمه بعمليات العظام
Tetracycline
- 30 S
2. في حال اخذناهم مع اكل في درات ثنائية او تلاثية رح يقل الامتصاص