Commonly reported side effects of fosphenytoin include: pruritus, ataxia, dizziness, drowsiness, nystagmus disorder, burning sensation at injection site, and pain at injection site. 0000003669 00000 n
Patient age had no significant
active metabolite of CEREBYX) with exacerbation of porphyria, caution should be
Phenytoin, derived from administration of
phenytoin and CEREBYX administration would have resulted in equivalent systemic
0000013126 00000 n
to measure serum phenytoin concentrations following CEREBYX administration.Do not confuse the amount of drug to be given in PE with
The study demonstrated better local tolerance (pain and burning at
infusion unaltered in the presence of these sensations is unknown. Significant removal of phenytoin during high flux dialysis with cellulose triacetate dialyzer [Letter]. 0000004004 00000 n
full prescribing information, please visit www.pfizer.com.You are encouraged to report negative side effects of prescription drugs to the FDA. epilepticus [seeAdvise patients of the early signs and symptoms of severe
alone or in combination with other antiepileptic drugs during pregnancy [see Administration of phenytoin to pregnant animals resulted
(15 to 20 mg PE/kg) of CEREBYX infused at 150 mg PE/min or phenytoin infused at
It may also be used for certain heart arrhythmias or neuropathic pain. to decreased levels of vitamin K-dependent clotting factors may occur in
Data sources include IBM Watson Micromedex (updated 2 Sep 2020), Cerner Multum™ (updated 1 … These errors have resulted in two-or
affected by phenytoin (the active metabolite of CEREBYX). The phosphate load provided by CEREBYX (0.0037 mmol
fosphenytoin conversion has not been determined, but phosphatases probably play
potential hematologic, dermatologic, hypersensitivity, or hepatic reactions. and lack of induction; it appears to be genetically determined. exercised in using CEREBYX in patients suffering from this disease.CEREBYX may cause fetal harm when administered to a
equivalents (PE) [see 1.5 mg of fosphenytoin sodium is equivalent to 1 mg
hypoalbuminemia, fosphenytoin clearance to phenytoin may be increased without a
trailer
To help minimize confusion, the prescribed dose of CEREBYX
1984; 34: 395-7. prevented with vitamin K administration to the mother before delivery and to
immunoanalytical techniques, such as TDx®/TDxFLx™ (fluorescence
Formate and phosphate are metabolites of CEREBYX and
optimal clinical outcome.Table 4 includes commonly occurring drug interactions
or upper airway swelling occur. adverse cardiovascular reactions, including severe hypotension and cardiac
possible. Binding to plasma proteins is saturable
of 100 mg PE or 500 mg PE. For
1977; 238: 1750-3. and dispensed in phenytoin sodium equivalent units (PE). pregnant woman. occasionally been reported in association with administration of phenytoin (the
2 mL per vial — Each vial contains fosphenytoin sodium 150 mg equivalent to 100 mg of phenytoin sodium: N 0071-4007-05. Cardiac arrhythmias have included bradycardia, heart
CEREBYX. individuals.The following adverse reactions have been identified
The severe sensory
A dose of 15 to 20 mg PE/kg of CEREBYX infused at 100 to 150
400 to 1200 mg PE, mean maximum total phenytoin concentrations increase in
conversion, blood samples for phenytoin monitoring should be collected in tubes
50 mg/min. concentration of fosphenytoin is always expressed in terms of mg of phenytoin
Intramuscular administration of CEREBYX should ordinarily not be used in
trials, IM CEREBYX was administered as a single daily dose utilizing either 1
of fosphenytoin is always expressed in terms of mg of phenytoin sodium
should always be expressed as phenytoin sodium equivalents (PE). For current
during post-approval use of fosphenytoin. [PMID: 8160256] / Liponi DF, Winter ME, Tozer TN. block, QT interval prolongation, The rate of intravenous CEREBYX administration should not
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, The LiverTox site is meant as a resource for both physicians and patients as well as for clinical … dose-related side effects and are obtained at the time of expected peak
You may also report side effects at https://www.fda.gov/medwatch. risk of adverse cardiovascular reactions, including severe hypotension and
Fosphenytoin sodium 750 mg is equivalent to 500 mg of phenytoin sodium. newborns exposed to phenytoin in utero. 0000015704 00000 n
The effect of continuing
Studies have therefore
for any major Administration of phenytoin to pregnant rats, rabbits,
1 mg PE is equivalent to 1
This video shows you how to pronounce Fosphenytoin. pregnancy because of altered phenytoin pharmacokinetics. Individual
The incidences of hepatocellular tumors were increased in
exposure to phenytoin.The overall incidence of adverse reactions and the types
similar increase in phenytoin clearance. sodium equivalents (PE) dose. include There are marked variations among individuals with
strong association between the risk of developing SJS/TEN and the presence of
Fosphenytoin is a prodrug of phenytoin (q.v.) xref
It is used to treat high blood pressure, a number of types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, performance anxiety, and essential tremors. double-blind study assessed infusion-site tolerance of equivalent loading doses
listed in the following, except those already included in previous tables and