Probably only insignificant absorption.

(To be edited, initial data ST OCT 04) Dermatological ointment used in infected ulcera and vulnera. Oxitetracycline : Broadspectrum antibiotic with alkylaminogroup. Polymyxin B: No data on absorbtion or metabolism. Oxitetracycline : South African list: use with extreme caution only. Tschudy and Lamon J1980: unsafe.

Uneventful use reported in 1 patient with acute porphyria.