Phenytoin - samideb12 - Printable Version +- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com) +-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1) +--- Forum: Step 1 (https://www.usmleforum.com/forumdisplay.php?fid=2) +--- Thread: Phenytoin - samideb12 (/showthread.php?tid=638213) |
Phenytoin - samideb12 - ArchivalUser - 12-06-2011 Is phenytoin given to a 12 years old pt ? 0 - ArchivalUser - 12-06-2011 i think so DOSAGE IN PAEDIATRICS: Loading dose in an emergency: 15-20mg/kg (max 1.5gm) IV over 1 hour. Initial maintenance, oral or IV: 2mg/kg 12 hourly (preterm); 3mg/kg 12 hourly (1st week of life), 8 hourly (2wk-4yr), 12 hourly (5-12 yr); 2mg/kg (usual max 100mg) 8 hourly (12 yrs) remember also this -Drugs whose efficacy is impaired by phenytoin include: corticosteroids, warfarin, frusemide, oral contraceptives, rifampin, and theophylline 0 - ArchivalUser - 12-06-2011 the only C/I i remem- is a known teratogen. The syndrome consists of craniofacial anomalies (broad nasal bridge, cleft lip and palate, microcephaly) and a mild form of mental retardation (average IQ=71). 0 - ArchivalUser - 12-06-2011 Thank you for explanation.I thought that phenobarb is preferred . |