Antibiotic resistance in bacteria changes over time and varies between countries and regions. Often, there is a need to administer antibiotics before culture results are available, and sometimes samples cannot be obtained for culture. Therefore, it is crucial to have a good understanding of the antibiotic resistance of the most important bacteria. Research on Antibiotic susceptibility 2018 - 2023 is available in Icelandic language
Sensitivity Testing
Sensitivity tests have been conducted at the Microbiology Department of Landspítali for decades. With the computerized recording of the past years, it has become possible to publish these results almost immediately.
List of Sensitivity Tests Conducted on Bacteria:
Staphylococcus - the main drugs
Penicillin
Cloxacillin
Erythromycin
Clindamycin
Vancomycin
MÓSA drugs
Oxacillin
Teichoplanin
Mupirocin
Linezolid
Other drugs
Gentamicin
Amikacin
Netilmicin
Tobramycin
Tetracycline
Ciprofloxacin
Chloramphenicol (ekki þvagsýni)
Rifampin
Trimethoprim/sulfamethoxazole
Tigecycline
Piperacillin/tazobactam
Enterococcus
Ampicillin
Vancomycin
Gentamicin (samvirkni með ampicillin)
Tetracycline (aðeins þvagsýni)
Trimethoprim (aðeins þvagsýni)
Nitrofurantoin (aðeins þvagsýni)
Other drugs
Teichoplanin
Ciprofloxacin
Rifampin
Chloramphenicol
Linezolid
Erythromycin (ekki þvagsýni)
Tigecycline
Beta hemolytic streptococci
Penicillin
Erythromycin
Tetracycline
Clindamycin
Trimethoprim (aðeins þvagsýni)
Trimethoprim/sulfamethoxazole (aðeins þvagsýni)
Nitrofurantoin (aðeins þvagsýni)
Other drugs
Chloramphenicol
Linezolid
Tigecycline
Ertapenem
Vancomycin
4a. Streptococcus viridans
Penicillin
Erythromycin
Tetracycline
Clindamycin (not urine sample)
Trimethoprim (urine sample)
Trimethoprim/sulfamethoxazole (urine sample)
Nitrofurantoin (urine sample)
Other drugs
Chloramphenicol (not urine sample)
Linezolid
Tigecycline
Ertapenem
Ceftriaxone
Vancomycin
Ampicillin
4b. Streptococcus pneumoniae
Penicillin Chloramphenicol
Erythromycin (not urine sample) Rifampin
Tetracycline Vancomycin
Clindamycin (not urine sample)
Trimethoprim/sulfamethoxazole
If reduced penicillin sensitivity: Ceftriaxone
Other drugs
Chloramphenicol
Rifampin
Vancomycin
Corynebacteria spp.
Penicillin
Ampicillin
Erythromycin
Tetracycline
Clindamycin (ekki þvagsýni)
Listeria spp.
Ampicillin
Erythromycin
Gentamicin
Trimethoprim/sulfamethoxazole
Rifampin (spine fluid only)
Bacillus spp.
Penicillin
Ampicillin
Erythromycin
Tetracyclin
Clindamycin (ekki þvagsýni)
Other drugs
Vancomycin
Arcanobacterium spp.
Penicillin
Ampicillin
Erythromycin
Tetracyclin
Clindamycin (not urine sample)
Gram negative Enterobacteriaceae
Ampicillin
Gentamicin (not urine sample)
Cefuroxime (not urine sample)
Cefotaxime
Mecillinam (urine sample)
Nitrofurantoin (urine sample)
Trimethoprim (urine sample)
Trimethoprim/sulfamethoxazole
At reduced sensitivity
Amoxicillin/clavulanic acid
Ceftriaxone
Imipenem/Meropenem
Aztreonam
Piperacillin/tazobactam
Ciprofloxacin
Cefuroxime (urine sample)
Gentamcin (urine sample)
Other drugs
Cefepime (not urine sample)
Cephalothin (not urine sample)
Ceftazidime (not urine sample)
Amikacin
Netilmicin (not urine sample)
Tobramycin
Tetracycline (not urine sample)
Minocycline (not urine sample)
Chloramphenicol (not urine sample)
Tigecycline
Ertapenem (not urine sample)
Piperacillin (not urine sample)
Pseudomonas aeruginosa
Piperacillin
Meropenem
Ceftazidime
Gentamicin
Tobramycin
Ciprofloxacin
Other drugs
Cefepime
Imipenem
Aztreonam
Amikacin
Minocycline
Netilmicin
Colistin
Piperacillin/tazobactam
Acinetobacter spp.
Piperacillin
Meropenem
Ceftazidime
Gentamicin
Tobramycin
Ciprofloxacin
Other drugs
Cefepime
Cefotaxime
Ceftriaxone
Imipenem
Aztreonam
Amikacin
Netilmicin
Tetracycline
Chloramphenicol (ekki þvagsýni)
Trimethoprim/sulfamethoxazole
Colistin
Piperacillin/tazobactam
Stenotrophomonas maltophilia
Minocycline
Trimethoprim/sulfamethoxazole
Meropenem
Ciprofloxacin
Other drugs
Ticarcillin/clavulanic sýra
Ceftazidime
Chloramphenicol (not urine sample)
Burkholderia cepacia
Minocycline
Trimethoprim/sulfamethoxazole
Meropenem
Ceftazidime
Piperacillin
Piperacillin
Meropenem
Ceftazidime
Gentamicin
Tobramycin
Ciprofloxacin
Other drugs
Sulfonamíð
Cefotaxime
Ceftriaxone
Imipenem
Aztreonam
Amikacin
Netilmicin
Tetracycline
Chloramphenicol (not urine sample)
Trimethoprim/sulfamethoxazole
Colistin
Piperacillin/tazobactam
Salmonella spp. and Shigella spp.
Ampicillin
Trimethoprim/sulfamethoxazole
Ciprofloxacin
Nalidixic sýra
Only for extra-gastrointestinal infections
Chloramphenicol
Ceftriaxone
Campylobacter spp.
Erythromycin
Ciprofloxacin
Helicobacter spp.
Amoxicillin
Clarithromycin
Metronidazole
Tetracycline
Neisseria meningitidis
Penicillin
Rifampicin
Ceftriaxone
Ciprofloxacin
Azithromycin
Trimethoprim/sulfamethoxazole
Neisseria gonorrhoeae
Penicillin
Ceftriaxone
Ciprofloxacin
Azithromycin
Tetracycline
Haemophilus spp.
Ampicillin
Cefuroxime
Tetracycline
Trimethoprim/sulfamethoxazole
Other drugs
Azithromycin
Amoxicillin/clavulanic sýra
Cefotaxime
Ceftazidime
Ceftriaxone
Meropenem
Imipenem
Aztreonam
Ciprofloxacin
Cholramphenicol (not urine sample)
Rifampin
Penicillin
Metronidazole
Clindamycin
Amoxicillin/clavulanic sýra
Other drugs
Piperacillin
Meropenem
Tigecycline
Fluconazole
Itraconazole
Amphotericin B
Voriconazole (Aðeins fyrir blóð, æðaleggi og steríl svæði)
Medicines tested according to the specific request of the doctor