Mycoplasmas and Ureaplasmas: Strains, Drug Susceptibilities and Resistance (1988-1994)  from  Baseman & Tully, Poulin et al, and Wates et al


Mycoplasma    Strain                  

 Susceptibility to

 Resistant to

M. pneumoniae 14 strains

Erythromycin, tetracycline, doxycycline


  found in respiratory/



  urogenital tracts

clarithromycin A63075


 & synovial fluid

temafloxacin, difloxacin, ciprofloxacin





U. urealyticum       28 strain

 found in  


difloxacin (somewhat)

 erythromycin (5 strains)

clarithromycin A63075 


   respiratory tract &

   synovial fluid

ciprofloxacin (some strains)


doxycycline, tetracycline                           

Tetracycline some strains

(Baseman & Tully)                   




M. hominis    20 strains       

found in urogenital/

respiratory tract                                                  

tetracycline, doxycycline, clindamycin

temafloxacin, difloxacin

erythromycin (all strains) clarithromycin A63075 tetracycline some strains

(Baseman & Tully)




M. fermentans(incognitis)

var. incognitis        NIH 713-001-084

found in

urogenital tract & synovial fluid

tetracycline, doxycycline,







M. penetrans

GTU 54-6A1

Erythromycin, tetracycline, doxycycline,

Clindamycin, zithromycin, clarithromycin, ofloxacin





M. purim  70-159

Found in urogenital tract                               

tetracycline, doxycycline, clindamycin

zithromycin, clarithromycin, ofloxacin    



M. orale

found in the (mouth) & respiratory tract



M. salivarium

found in the (mouth,) respiratory & urogenital tract



M. hyorhinis

found in synovial fluid



M. bucale

found in respiratory tract



M. arthritidis

found in synovial fluid




Table from Road Back Foundation at


List Found: Cassell & Cole, name of article,NEJM ,304:2, 1981,


Drugs Found:

Waites, Cassell, Canupp, Fernandes, In Vitro Susceptibilities of Mycoplasmas and Ureaplasmas of New Macrolides and Aryl-Fluoroquniolones, Antimicrobial Agents and   Chemotherapy, 32:10, Oct. 1988,      


Baseman & Tully, Mycoplasmas, Sophisticated, Reemerging and Burdened by Their Notoriety, Emerging Infect Dis, 3:1.


Poulin, Perkins, Kundsin, Antibiotic Susceptibilities of AIDS-Associated Mycoplasmas, J of Clin Microbiol, 32:4, 1994.



Return to Home Page

Return to Free Health Articles

Return to Ongoing Research