Drugs online research references
Pharmacol Toxicol. 1995 Apr;76(4):259-62.
Malnutrition and pharmacokinetics of penicillin in Ethiopian children.
Bolme P, Eriksson M, Paalzow L, Stintzing G, Zerihun G, Woldemariam T.
Ethio-Swedish Children's Hospital, Addis Ababa, Ethiopia.
Penicillin was given to 104 children with different nutritional status, normal, underweight, marasmus and kwashiorkor. Penicillin was given either intravenously, intramuscularly or orally and the plasma concentration was followed at regular times after administration. There was a significantly decreased plasma clearance of penicillin in all malnourished groups compared to the normal weight-for-age group. The half-lives of penicillin were, however, not significantly different between the nutritional groups. This was explained by the fact that also the volume of distribution was decreased in the malnourished group with a net result that the half-life was unchanged. The bioavailability was decreased if penicillin was given to non-fasting individuals. The greatest difference between fasting and non-fasting was seen in the severely malnourished children with marasmus and kwashiorkor. Therefore, it is advised that, if penicillin is given orally to very sick and undernourished children, the dose should be increased and preferably be given in the fasting state.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7617556&dopt=Abstract
aas.nja.dk
OBJECTIVE: To examine the risk of congenital abnormalities, preterm birth and low birth weight after exposure to phenoxymethylpenicillin in utero. METHODS: A population-based follow-up study in the County of North Jutland, Denmark. Birth outcome for 1886 women, who redeemed prescriptions for phenoxymethylpenicillin during pregnancy was compared with the outcome for 9263 women who did not redeem any prescription during pregnancy. RESULTS: The prevalence of congenital abnormalities in 654 users of phenoxymethylpenicillin with or without other drugs during the first trimester was 4.6% compared with 3.6% in the reference group, giving a prevalence odds ratio of 1.25 (95% CI: 0.84-1.86). The prevalence odds ratio was 1.35 (95% CI: 0.59-3.08) in 131 women who were exposed to phenoxymethylpenicillin only. Nine cardiovascular abnormalities were found, giving an adjusted prevalence odds ratio of 1.74 (95% CI: 0.83-3.65). The prevalence odds ratios of preterm birth and low birth weight were 0.83 (95% CI: 0.66-1.04) and 1.02 (95% CI: 0.71-1.47), respectively. CONCLUSION: We found no significantly increased risk of congenital abnormalities, including cardiovascular abnormalities, preterm birth, or low birth weight in women who purchased phenoxymethylpenicillin during pregnancy.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12047410&dopt=Abstract
Scand J Infect Dis. 1995;27(2):131-4.
Are penicillin treatment failures in Arcanobacterium haemolyticum pharyngotonsillitis caused by intracellularly residing bacteria?
Osterlund A.
Department of Clinical Microbiology, University Hospital, Uppsala, Sweden.
Arcanobacterium haemolyticum is an infrequent agent of pharyngotonsillitis in children and young adults. Despite the fact that A. haemolyticum is fully sensitive to penicillin in vitro, penicillin treatment failures are frequent. The ability of A. haemolyticum to invade HEp-2 cells and survive intracellulary was investigated. All 12 strains tested, of which 10 were isolated from patients with pharyngotonsillitis, and 2 were reference strains, were internalized by the HEp-2 cells. Four strains tested further, one of the reference strains and 3 of the clinical isolates, proved able to survive intracellularly for 4 days, thus creating intracellular reservoirs of bacteria. It was also shown that erythromycin, an antibiotic known to penetrate well intracellularly, efficiently killed these bacteria.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7660075&dopt=Abstract
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