Myungin Phenytoin Tablet 100mg

Adult dosage

The dosage should be adjusted according to the severity of seizures and the patient's tolerability. Measure the blood concentration if necessary. This medicine should not be administered once daily; it must be given in divided doses. 1. Adults: Administer 100 mg of phenytoin orally 3 times daily. The maintenance dose is 300 ～ 400 mg of this medicine daily in divided doses. The daily dose may be increased to 600 mg of this medicine. (Injection) 1. Status epilepticus or seizures that are difficult to control with oral administration Adults: Slowly administer 125 ～ 250 mg of phenytoin sodium by intravenous injection at a rate not exceeding 50 mg/min. If seizures cannot be controlled with this dose, administer an additional 100 ～ 150 mg of this medicine after 30 minutes or consider other treatment. When convulsions have ceased and consciousness has recovered following administration of this medicine, switch to oral administration. 2. Digoxin-induced arrhythmia for which first-line treatment is ineffective Adults: Administer an initial dose of 3.5 ～ 5 mg/kg of body weight of phenytoin sodium by intravenous injection. Repeat once if necessary. This medicine must be administered slowly by intravenous injection at a steady rate not exceeding 50 mg/min. Adjust the dose as appropriate according to age and symptoms.

Children's dosage

2. Children: Administer 5 mg/kg of body weight of phenytoin in 2 ～ 3 divided doses. The maintenance dose is 4 ～ 8 mg/kg of body weight of this medicine daily in divided doses. Up to 300 mg of this medicine may be administered daily.

This medication is used for epilepsy treatment, and patients and caregivers should closely monitor for signs of suicidal thoughts, suicidal behavior, or other mental health issues like depression during treatment. When administered as an injection, inflammation or pain at the injection site, skin discoloration, and in severe cases, skin necrosis or tissue damage may occur, necessitating caution. Patients with hypersensitivity to this medication or those with certain heart diseases or blood disorders should not take it, and it is essential to consult healthcare professionals regarding the use of this medication with other drugs, as it may alter drug concentrations or the risk of side effects. Patients with impaired liver or kidney function, the elderly, and those with diabetes must use this medication cautiously, and treatment should be immediately stopped, and a doctor consulted if severe skin reactions occur. During treatment, drowsiness, dizziness, and decreased motor ability may occur, so patients should avoid driving or operating hazardous machinery, and doses should not be abruptly reduced or discontinued as this may exacerbate seizures. Use during pregnancy may increase the risk of congenital anomalies; therefore, women who are pregnant or planning to become pregnant must consult a healthcare professional before taking this medication and should employ effective contraception. Regular liver, kidney, blood tests, and vision checks are necessary, and maintaining appropriate dosing through drug concentration measurements is important. In the event of an overdose, serious symptoms such as coma, lowered blood pressure, and difficulty breathing may occur, requiring immediate emergency care.

suicidal ideation, suicidal behavior, depression, abnormal changes in mood and behavior, soft tissue irritation, inflammatory response, vascular leakage, edema, skin discoloration, pain at the remote site of injection, tenderness, necrosis, skin exfoliation, pain at the injection site, abscess, involuntary movements, abnormal movements, chorea, akinesia, neuropathy, dizziness, ataxia, mental confusion, speech disturbance, insomnia, nervousness, decreased attention span, decreased concentration, diminished reflex ability, headache, malaise, dyscoordination, tremor, peripheral sensory polyneuropathy, interstitial pneumonia, mucocutaneous syndrome, toxic epidermal necrolysis, systemic lupus erythematosus-like symptoms, urticaria, multisystem hypersensitivity reaction, fever, rash, lymphadenopathy, facial edema, hepatitis, nephritis, hematological disorders, myocarditis, myositis, eosinophilia, scarlet fever-like rash, measles-like rash, pure red cell aplasia, thrombocytopenia, leukopenia, granulocytopenia, agranulocytosis, pancytopenia, erythrocytosis, relative polycythemia, aplastic anemia, monocytic leukemia, hemolytic anemia, lymph node enlargement, lymphoma, pseudo-lymphoma, Hodgkin's disease, toxic hepatitis, jaundice, proteinuria, diplopia, nystagmus, visual impairment, cataract, gingival hyperplasia, facial dyskinesia, hirsutism, lip swelling, Peyronie's disease, rickets, osteomalacia, dental enamel hypoplasia, nausea, vomiting, constipation, nodular periarteritis, polymyalgia rheumatica, hyperglycemia, fever, abnormal thyroid function test results, thirst, vascular pain, cardiovascular collapse, cardiac arrest, ventricular fibrillation, respiratory arrest, tonic-clonic seizure, reduced bone density, osteopenia, osteoporosis, fracture, nonsensical speech, psychosis, encephalopathy, delirium, bradycardia, rapid hypotension

This medication is sensitive to light and should be stored in a container that does not allow light to pass through. Additionally, it must be stored at a temperature between 1 and 30 degrees Celsius to maintain potency.

Appearance

White round tablets

Package unit

1000 tablets/bottle