title: The effect of antibacterial agents on plasma vitamin C levels.
abstract: Previous report on the estimation of plasma ascorbic acid levels in patients with chronic osteomyelitis indicated that the plasma ascorbic acid level is reduced in patients on antibiotics. The plasma study of the effects of anti-bacterial agents on plasma ascorbic acid in vitro, was carried out to substantiate the hypothesis than these agents lower plasma ascorbic acid levels. Increasing amounts of each of seven anti-bacterial agents: ampicillin, chloramphenicol, cefotaxime, gentamycin, benzyl and procaine penicillin combination (seclopen), co-trimoxazole, and streptomycin significantly (P < 0.01, r = -0.9587) reduced plasma vitamin C levels in vitro. There was moderate but insignificant reduction in plasma vitamin C levels with clindamycin (r = -0.799). The reduction of the plasma vitamin C levels observed in the presence of the eighth anti-bacterial agent, clindamycin, lacked significance (r = -0.799). The cause of this reduction of plasma vitamin C levels by anti-bacterial agents in vitro is not yet understood. A supplement of vitamin C may be required in patients on anti-bacterial agents.
authors.affiliation: Faculty of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria.
authors.forename: Z O
authors.initials: ZO
authors.lastname: Alabi
authors.forename: K D
authors.initials: KD
authors.lastname: Thomas
authors.forename: O
authors.initials: O
authors.lastname: Ogunbona
authors.forename: I A
authors.initials: IA
authors.lastname: Elegbe
mesh_terms: D000328:Adult; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001205:Ascorbic Acid / Q000097:blood*; D002908:Chronic Disease; D004353:Drug Evaluation, Preclinical; D006801:Humans; D008297:Male; D010019:Osteomyelitis / Q000097:blood / Q000188:drug therapy; D014945:Wound Healing / Q000187:drug effects
chemical_list: D000900:Anti-Bacterial Agents; D001205:Ascorbic Acid