Pays: États-Unis
Langue: anglais
Source: NLM (National Library of Medicine)
PHENYTOIN (UNII: 6158TKW0C5) (PHENYTOIN - UNII:6158TKW0C5)
NCS HealthCare of KY, LLC dba Vangard Labs
ORAL
PRESCRIPTION DRUG
Phenytoin Infatabs are indicated for the treatment of generalized tonic-clonic (grand mal) and complex partial (psychomotor, temporal lobe) seizures and prevention and treatment of seizures occurring during or following neurosurgery. Phenytoin is contraindicated in patients with: - A history of hypersensitivity to phenytoin, its inactive ingredients, or other hydantoins [see Warnings and Precautions (5.5)] . - A history of prior acute hepatotoxicity attributable to phenytoin [see Warnings and Precautions (5.6)]. - Coadministration with delavirdine because of the potential for loss of virologic response and possible resistance to delavirdine or to the class of non-nucleoside reverse transcriptase inhibitors. Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to antiepileptic drugs (AEDs), such as phenytoin, during pregnancy. Physicians are advised to recommend that pregnant patients taking phenytoin enroll in the North American Antiepileptic Dru
Phenytoin Infatabs contain 50 mg phenytoin and are supplied in a yellow triangular scored chewable tablet as follows: Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature]. Protect from moisture.
Abbreviated New Drug Application
NCS HealthCare of KY, LLC dba Vangard Labs ---------- This Medication Guide has been approved by the U.S. Food and Drug Administration Revised November 2017 MEDICATION GUIDE Phenytoin Infatabs, Chewable Tablets, USP What is the most important information I should know about phenytoin? 1. Do not stop taking phenytoin without first talking to your healthcare provider. • Stopping phenytoin suddenly can cause serious problems. • Stopping a seizure medicine suddenly can cause you to have seizures more often or seizures that will not stop (status epilepticus). • Like other antiepileptic drugs, phenytoin may cause suicidal thoughts or actions in a very small number of people, about 1 in 500. Call a healthcare provider right away if you have any of these symptoms, especially if they are new, worse, or worry you: • Thoughts about suicide or dying • Attempts to commit suicide • New or worse depression • New or worse anxiety • Feeling agitated or restless • Panic attacks • Trouble sleeping (insomnia) • New or worse irritability • Acting aggressive, being angry, or violent • Acting on dangerous impulses • An extreme increase in activity and talking (mania) • Other unusual changes in behavior or mood Suicidal thoughts or actions can be caused by things other than medicines. If you have suicidal thoughts or actions, your healthcare provider may check for other causes. How can I watch for early symptoms of suicidal thoughts and actions? • Pay attention to any changes, especially sudden changes, in mood, behaviors, thoughts, or feelings. • Keep all follow-up visits with your healthcare provider as scheduled. Call your healthcare provider between visits as needed, especially if you are worried about symptoms. • Phenytoin can cause a type of serious allergic reaction that may affect different parts of the body such as your liver, kidneys, blood, heart, skin or other parts of your body. These can be very serious and cause death. Call your healthcare provider right away if you have any or all of t Lire le document complet
PHENYTOIN INFATABS- PHENYTOIN TABLET, CHEWABLE NCS HEALTHCARE OF KY, LLC DBA VANGARD LABS ---------- HIGHLIGHTS OF PRESCRIBING INFORMATION THESE HIGHLIGHTS DO NOT INCLUDE ALL THE INFORMATION NEEDED TO USE PHENYTOIN INFATABS SAFELY AND EFFECTIVELY. SEE FULL PRESCRIBING INFORMATION FOR PHENYTOIN INFATABS . PHENYTOIN INFATABS CHEWABLE TABLETS, FOR ORAL USE INITIAL U.S. APPROVAL: 1953 RECENT MAJOR CHANGES Warnings and Precautions (5.11) 11/2017 INDICATIONS AND USAGE Phenytoin Infatabs are indicated for the treatment of generalized tonic-clonic (grand mal) and complex partial (psychomotor, temporal lobe) seizures and prevention and treatment of seizures occurring during or following neurosurgery. (1) DOSAGE AND ADMINISTRATION NOT FOR ONCE-A-DAY DOSING (2.1) Adult starting dose in patients who have received no previous treatment is two Infatabs three times a day, with dose adjustments as necessary. For most adults, the satisfactory maintenance dose will be six to eight Infatabs daily; an increase to twelve Infatabs daily may be made, if necessary. (2.2) Pediatric starting dose is 5 mg/kg/day in two to three equally divided doses, with dosage adjustments as necessary, up to a maximum of 300 mg daily. Maintenance dosage is 4 to 8 mg/kg/day. (2.3) Serum blood level determinations may be necessary for optimal dosage adjustments—the clinically effective serum total concentration is 10 to 20 mcg/mL (unbound phenytoin concentration is 1 to 2 mcg/mL). (2.4) DOSAGE FORMS AND STRENGTHS Phenytoin Infatabs are available as 50 mg phenytoin scored chewable tablets. (3) CONTRAINDICATIONS Hypersensitivity to phenytoin, its ingredients, or other hydantoins (4) A history of prior acute hepatotoxicity attributable to phenytoin (4, 5.6) Coadministration with delavirdine (4) WARNINGS AND PRECAUTIONS _Withdrawal Precipitated Seizure:_ May precipitate status epilepticus. Dose reductions or discontinuation should be done gradually. (5.1) _Suicidal Behavior and Ideation:_ Monitor patients for the emergence or worsening of depression, suicida Lire le document complet